Alternators and generators

At Global Parts, we offer a wide selection of original used car parts, including alternators and generators for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our alternators and generators undergo quality control to ensure you receive a top-quality product.

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Mercedes W176 W242 W246 Alternator Generator Bosch A180 Petrol A0009061903

Part no. A0009061903-1

Mercedes W176 W242 W246 Alternator Generator Bosch A180 Petrol A0009061903

€59.95

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes Sprinter W907 Alternator Generator Engine Diesel 250A 14V A0009068302

-40%

Part no. A0009068302

Mercedes Sprinter W907 Alternator Generator Engine Diesel 250A 14V A0009068302

Promo price

€104.95

€62.97

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405

-5%

Part no. A1725403405

Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405

Promo price

€23.95

€22.75

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes W903 OM611 Diesel Alternator Engine Generator 14V 90A A0121542002

-15%

Part no. A0121542002

Mercedes W903 OM611 Diesel Alternator Engine Generator 14V 90A A0121542002

Promo price

€108.95

€92.61

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Mercedes W164  W221 W251 Engine Generator 220A Valeo A0009063522

-15%

Part no. A0141541302

Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522

Promo price

€80.95

€68.81

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes W205 Alternator Protective Cover Metal Sheet A6261500075

-5%

Part no. A6261500075

Mercedes W205 Alternator Protective Cover Metal Sheet A6261500075

Promo price

€23.95

€22.75

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes W207 W212 W906 Engine Diesel 200A 14V Alternator Generator LRA03818

-15%

Part no. A0009062822-1

Mercedes W207 W212 W906 Engine Diesel 200A 14V Alternator Generator LRA03818

Promo price

€104.95

€89.21

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900

-15%

Part no. A0009067900

Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900

Promo price

€75.95

€64.56

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402

-15%

Part no. A6421540402-1

Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402

Promo price

€70.95

€60.31

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

-15%

Part no. A0009060922

Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

Promo price

€66.95

€56.91

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701

Part no. A0009063701

Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701

€169.95

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702

-15%

Part no. A0009067702

Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702

Promo price

€85.95

€73.06

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902

Part no. A2711540902

Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902

€99.99

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500

Part no. A0009067500

Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500

€69.99

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009

-5%

Part no. A6512012009

Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009

Promo price

€23.95

€22.75

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402

-15%

Part no. A6421540402

Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402

Promo price

€66.95

€56.91

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes W212 OM651 Alternator Support Bracket Belt Tensioner Holder A6512011909

-5%

Part no. A6512011909

Mercedes W212 OM651 Alternator Support Bracket Belt Tensioner Holder A6512011909

Promo price

€23.95

€22.75

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102

-15%

Part no. A0141541102

Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102

Promo price

€94.95

€80.71

Free delivery - Fri, Oct 03

If paid before 14:00

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Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702

-15%

Part no. A0141542702

Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702

Promo price

€75.95

€64.56

Free delivery - Fri, Oct 03

If paid before 14:00

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Mercedes W163 CL203 W203 Petrol Alternator Generator Valeo 120A A0111546402

Part no. A0111546402

Mercedes W163 CL203 W203 Petrol Alternator Generator Valeo 120A A0111546402

Product currently unavailable

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Mercedes R170 Alternator Generator M111 Petrol Engine 90A A0091547602

Part no. A0091547602

Mercedes R170 Alternator Generator M111 Petrol Engine 90A A0091547602

Product currently unavailable

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Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803

Part no. A0009060803

Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803

Product currently unavailable

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Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022

Part no. A0009064022

Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022

Product currently unavailable

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Alternator Mercedes W166 W213 C292 OM651 Generator 14V 250A A0009060903

Part no. A0009060903

Alternator Mercedes W166 W213 C292 OM651 Generator 14V 250A A0009060903

Product currently unavailable

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Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003

Part no. A0009062003

Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003

Product currently unavailable

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Mercedes W907 314 CDI Engine Alternator Generator Valeo A6519065700

Part no. A6519065700

Mercedes W907 314 CDI Engine Alternator Generator Valeo A6519065700

Product currently unavailable

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Mercedes W213 C238 Petrol Alternator Generator A0009060205

Part no. A0009060205

Mercedes W213 C238 Petrol Alternator Generator A0009060205

Product currently unavailable

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Alternator Generator Mercedes W211 S211 OM646 Diesel Engine 200A A0131545902

Part no. A0131545902

Alternator Generator Mercedes W211 S211 OM646 Diesel Engine 200A A0131545902

Product currently unavailable

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Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722

Part no. A0009062722-1

Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722

Product currently unavailable

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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A A6461540102

Part no. A6461540102

Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A A6461540102

Product currently unavailable

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Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401

Part no. A0009060401-1

Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401

Product currently unavailable

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Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902

Part no. A2711540902-1

Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902

Product currently unavailable

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Mercedes W213 Alternator Generator 200A 14V A0009063003

Part no. A0009063003

Mercedes W213 Alternator Generator 200A 14V A0009063003

Product currently unavailable

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Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622

Part no. A0009063622

Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622

Product currently unavailable

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Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450

Part no. A6291500450

Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450

Product currently unavailable

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Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703

Part no. A0009069905

Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703

Product currently unavailable

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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106

Part no. A0009068106

Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106

Product currently unavailable

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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

Part no. A0009060922-1

Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

Product currently unavailable

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Mercedes W212 Engine Alternator Generator A0009062100

Part no. A0009062100

Mercedes W212 Engine Alternator Generator A0009062100

Product currently unavailable

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Alternator Generator Mercedes W203 W204 M271 Engine Valeo 120A 14V A2711541402

Part no. A2711541402-1

Alternator Generator Mercedes W203 W204 M271 Engine Valeo 120A 14V A2711541402

Product currently unavailable

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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Part no. A0009063322-1

Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Product currently unavailable

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Mercedes W213 M274 Petrol Three Phase Engine Alternator Generator A0009067703

Part no. A0009067703

Mercedes W213 M274 Petrol Three Phase Engine Alternator Generator A0009067703

Product currently unavailable

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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

Part no. A0009063822-1

Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

Product currently unavailable

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Mercedes W639 W906 W907 OM642 Diesel Engine Alternator Generator A0009062700

Part no. A0009062700-1

Mercedes W639 W906 W907 OM642 Diesel Engine Alternator Generator A0009062700

Product currently unavailable

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Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508

Part no. A0009064508

Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508

Product currently unavailable

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Mercedes W204 C63 AMG M156 Engine Alternator Generator BOSCH 180A A1561540102

Part no. A1561540102

Mercedes W204 C63 AMG M156 Engine Alternator Generator BOSCH 180A A1561540102

Product currently unavailable

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Mercedes W211 Alternator Generator A0121549802

Part no. A0121549802-1

Mercedes W211 Alternator Generator A0121549802

Product currently unavailable

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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900

Part no. A0009067900-2

Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900

Product currently unavailable

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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Part no. A0131541002-2

Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Product currently unavailable

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Mercedes C118 W177 W247 Three Phase Alternator A0009062609

Part no. A0009062609

Mercedes C118 W177 W247 Three Phase Alternator A0009062609

Product currently unavailable

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Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504

Part no. A0009068504

Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504

Product currently unavailable

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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

Part no. A6461541102-3

Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

Product currently unavailable

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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802

Part no. A0009068802-3

Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802

Product currently unavailable

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Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802

Part no. A0009068802-2

Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802

Product currently unavailable

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Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705

Part no. A0009063705

Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705

Product currently unavailable

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Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522

Part no. A0009063522

Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522

Product currently unavailable

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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

Part no. A6461541102-2

Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

Product currently unavailable

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Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903

Part no. A0009061903

Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903

Product currently unavailable

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Alternator Generator Mercedes R171 W209 W211 M272 Petrol Engine 150A A2721540002

Part no. A2721540002-1

Alternator Generator Mercedes R171 W209 W211 M272 Petrol Engine 150A A2721540002

Product currently unavailable

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Alternator Mercedes Sprinter W906 Diesel  OM646 Engine Alternator A6461540002

Part no. A6461540002-1

Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002

Product currently unavailable

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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702

Part no. A0141542702-1

Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702

Product currently unavailable

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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002

Part no. A0131540002

Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002

Product currently unavailable

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Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802

Part no. A2711540802-1

Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802

Product currently unavailable

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Mercedes Sprinter W906 Alternator Generator Diesel 180A 14V A0009068802

Part no. A0009068802-1

Mercedes Sprinter W906 Alternator Generator Diesel 180A 14V A0009068802

Product currently unavailable

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Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102

Part no. A2721540102

Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102

Product currently unavailable

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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Part no. A0131541002-1

Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Product currently unavailable

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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

Part no. A6461541102-1

Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

Product currently unavailable

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Mercedes Sprinter W906 OM646 Engine Diesel Alternator Generator A6461540002

Part no. A6461540002

Mercedes Sprinter W906 OM646 Engine Diesel Alternator Generator A6461540002

Product currently unavailable

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Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056

Part no. A0111549302

Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056

Product currently unavailable

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Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506

Part no. A0141541502

Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506

Product currently unavailable

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 Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200

Part no. A6519065200

Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200

Product currently unavailable

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Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000

Part no. A0009063000

Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000

Product currently unavailable

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Alternator Generator Mercedes W211 CLS C219 OM642 Diesel 14V 180A A0131547002

Part no. A0131547002-1

Alternator Generator Mercedes W211 CLS C219 OM642 Diesel 14V 180A A0131547002

Product currently unavailable

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Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502

-15%

Part no. A6421540502

Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502

Product currently unavailable

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Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802

Part no. A0101540802

Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802

Product currently unavailable

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Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R

Part no. A4159064900

Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R

Product currently unavailable

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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402

Part no. A6401540402

Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402

Product currently unavailable

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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 200A 14V A0009068206

Part no. A0009068206

Alternator Generator Mercedes W177 W247 M260 Petrol Engine 200A 14V A0009068206

Product currently unavailable

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Mercedes ML W163 Alternator Generator A0001502550

Part no. A0001502550

Mercedes ML W163 Alternator Generator A0001502550

Product currently unavailable

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Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002

Part no. A2721540002

Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002

Product currently unavailable

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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Part no. A0009063322

Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Product currently unavailable

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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802

Part no. A0009068802

Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802

Product currently unavailable

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Alternator Generator Mercedes W169 W245 Engine 115A 14V A2661540902

Part no. A2661540902

Alternator Generator Mercedes W169 W245 Engine 115A 14V A2661540902

Product currently unavailable

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Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102

Part no. A6461540102-1

Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102

Product currently unavailable

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Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402

Part no. A2711541402

Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402

Product currently unavailable

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Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903

Part no. A0009063903

Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903

Product currently unavailable

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Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802

Part no. A2661540802

Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802

Product currently unavailable

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Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401

Part no. A0009060401

Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401

Product currently unavailable

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Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit

Part no. A0131546802

Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit

Product currently unavailable

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Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Part no. A0131541002

Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Product currently unavailable

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Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502

Part no. A6401540502

Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502

Product currently unavailable

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Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802

Part no. A2711540802

Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802

Product currently unavailable

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Mercedes W168 Alternator Generator A0121544502

-5%

Part no. A0121544502

Mercedes W168 Alternator Generator A0121544502

Product currently unavailable

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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102

Part no. A6461541102

Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102

Product currently unavailable

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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900

Part no. A0009067900-1

Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900

Product currently unavailable

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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

Part no. A0009063822

Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

Product currently unavailable

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Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402

Part no. A0111548402

Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402

Product currently unavailable

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Alternator Generator Mercedes W211 W220 R230 M112 Bosch 150A A0121541302

Part no. A0121541302

Alternator Generator Mercedes W211 W220 R230 M112 Bosch 150A A0121541302

Product currently unavailable

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Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N

Part no. A0131540602

Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N

Product currently unavailable

Efficient alternators and generators – reliable power source for your vehicle

Efficient alternators and generators – reliable power source for your vehicle

A wide range of alternators and generators – tailored to various car models

Alternators and generators are key components of a vehicle's electrical system, responsible for generating the electricity needed to power all vehicle systems and charge the battery. Their proper operation ensures voltage stability, the reliability of electrical devices, and the comfort of vehicle operation. At the Global Parts automotive store , you'll find a wide selection of used car parts , including alternators and generators, perfectly matched to brands such as BMW , Audi , and more. Mercedes , Volkswagen , Mini and others.

Types of alternators and generators

Alternators are divided into classic and compact types. Compact alternators are smaller, lighter, and often used in modern cars, where space and weight reduction are key. Generators used in heavier vehicles, such as delivery vans or off-road vehicles, are more powerful to meet higher energy demands. Typical alternator output in passenger cars is between 70 and 150 amps, while in heavy-duty vehicles, it can reach up to 200 and 300 amps .

What functions do alternators and generators perform?

Alternators and generators play a key role in the functioning of a vehicle's electrical system:

  • Generating Electricity – Converts mechanical energy into electrical energy that powers all vehicle systems.
  • Battery Charging – Provides a constant supply of power, keeping the battery fully charged.
  • Voltage regulation – Built-in voltage regulators maintain stable voltage, protecting electrical devices from damage.
  • Support for electrical systems – They power lighting, air conditioning, radios and other devices, ensuring their uninterrupted operation.

Table – typical symptoms and parameters of alternators

SymptomPossible causeTechnical parameter
Poor battery chargingWorn out voltage regulatorOperating voltage: 13.8–14.4 V
Squeaking noises when the engine is runningDamaged drive beltPower consumption: 1.5–2.5 kW
Flickering lightsIncorrect voltage stabilizationCurrent: 90–150 A (passenger)
No chargingRotor or diode bridge failurePower: 1.2–3.0 kW

Why is it worth taking care of alternators and generators ?

A damaged or malfunctioning alternator or generator can lead to power issues and shorten the life of the battery. Typical symptoms include:

  • Discharged battery – May be due to faulty charging.
  • Battery light on dashboard – Indicates problems with the alternator or generator.
  • Unusual noises – Squeaks or grinding sounds may indicate worn bearings or drive belt.
  • Voltage fluctuations – May indicate problems with the voltage regulator. If you need a replacement, you'll find the right used car parts at Global Parts that will restore the full functionality of your electrical system.

How to choose the right alternators and generators ?

When choosing alternators and generators, there are several key aspects to consider:

  • Vehicle-specific fit – Every electrical system has its own specific technical requirements. At Global Parts, you'll find alternators and generators perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini , and more .
  • Technical condition – Used alternators and generators should be fully functional, free from mechanical and electrical damage.
  • Type and Capacity – Make sure the alternator or generator you choose has the correct power and voltage to meet your vehicle’s requirements.

Compatibility and fit

When choosing an alternator, it's important to match not only the vehicle brand but also the specific engine version. For example, the alternator in a BMW 320d (E90) differs in parameters from the alternator in a BMW 318i (E46), even though both models belong to the same 3 Series. Therefore, filtering parts catalogs by VIN or OEM specification is crucial. This ensures compatibility with the vehicle's electrical system and avoids installation issues.

Why choose used alternators and generators ?

Used car parts, such as used alternators and generators, are an economical solution that allows you to save money while maintaining high quality. By choosing used electrical components, you benefit from:

  • Lower costs – Used alternators and generators are much cheaper than new ones, but offer just as high quality.
  • Ecology – Recycling parts supports environmental protection and reduces waste.
  • A wide range of products – In our store you will find used alternators and generators to the most popular car brands.

How to take care of alternators and generators ?

To ensure that alternators and generators operate reliably for a long time, it is worth following a few rules:

  • Regular inspections – Check the condition of the alternator and generator during technical inspections.
  • Maintain your drive belt – Make sure the belt is properly tensioned and shows no signs of wear.
  • Cleaning and maintenance – Regularly remove dirt and check the condition of electrical connections.
  • Avoid overloads – Too many electrical devices connected at once can overload the system. If you need a replacement, you will find the right car parts at Global Parts that will ensure the durability and efficiency of your electrical system.

FAQ - Frequently asked questions about alternators and generators

QuestionAnswer
What is the function of an alternator in a car?An alternator is a device that converts mechanical energy from the engine's crankshaft into electrical current that powers the car's systems and charges the battery.
What is the difference between an alternator and a generator?A generator is the general term for a device that produces electricity. An alternator is a specific type of AC generator used in cars.
What does the term "compact alternator" mean?A compact alternator is reduced in size and weight while maintaining the same power output. It is often used in newer generation cars.
What are the symptoms of a faulty alternator?The most common include: battery light on, flashing lights, bearing noise, and voltage drops.
Are used alternators a good choice?Yes, alternators used from a reliable source are an economical and ecological solution that allows you to reduce operating costs.
How do I check if the alternator will fit my car?It is best to use the VIN number or compare the OEM part number – this guarantees full compatibility.
How much current should a functioning alternator generate?A standard alternator in a passenger car should maintain a voltage of 13.8–14.4 V at a current of up to 150 A.

Summary: Alternators and Generators at Global Parts Automotive Store

Alternators and generators are essential components of the electrical system, ensuring reliable power and the proper operation of all vehicle systems. By maintaining their technical condition, you can avoid power problems and extend the life of the entire electrical system. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , and more, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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