Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426

Part no. 7550997-2

Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426

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Mini Cabrio R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3455241

Part no. 3455241

Mini Cabrio R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3455241

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BMW F98 Engine Starter Motor 8671505

Part no. 8671505

BMW F98 Engine Starter Motor 8671505

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Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975

Part no. 7607975

Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975

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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386

Part no. A1718200386-1

Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386

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BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083

Part no. 8736083

BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083

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PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129

Part no. A0009008129-1

PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129

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Mercedes CLA 200 C118 Instrument Cluster Electronics Control Module  A2479007314

Part no. A2479007314

Mercedes CLA 200 C118 Instrument Cluster Electronics Control Module A2479007314

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Head Unit Mercedes CLA C118  W907 Sat Nav Radio Media Player Unit A2479006213

Part no. A2479006213

Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213

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BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829

Part no. 8746829

BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829

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Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828

Part no. A2139008828

Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828

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Mercedes W213 Trunk Tailgate Rear Switch Sensor Module A2229059004

Part no. A2139052403

Mercedes W213 Trunk Tailgate Rear Switch Sensor Module A2229059004

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Mercedes C118 C205 C253 Automatic Gearbox Control Unit Module ECU A0009008324

Part no. A0009004436

Mercedes C118 C205 C253 Automatic Gearbox Control Unit Module ECU A0009008324

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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D

Part no. 8200404459D

Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D

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Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718

Part no. A1679002718-1

Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718

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Antenna Amplifier BMW X4M F98 G02 Radio Signal FM2 DAB Amplifier Module 6840269

Part no. 6840269

Antenna Amplifier BMW X4M F98 G02 Radio Signal FM2 DAB Amplifier Module 6840269

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Mercedes W205 W213 C253 Fuse Box Front Relay Control Unit Module A2059065806

Part no. A2059065806

Mercedes W205 W213 C253 Fuse Box Front Relay Control Unit Module A2059065806

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Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100

Part no. A2909064100

Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100

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Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510

Part no. 9275510

Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510

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PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710

Part no. A0009004710

PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710

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Mercedes C253 Body Control Module Temic A2539005906

Part no. A2539005906

Mercedes C253 Body Control Module Temic A2539005906

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Mercedes C253 Fuel Pump Module Control Unit ECU A0009002218

Part no. A0009002218

Mercedes C253 Fuel Pump Module Control Unit ECU A0009002218

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Mercedes C253 Windscreen Camera Control Unit Module A2479002516

Part no. A2479002516

Mercedes C253 Windscreen Camera Control Unit Module A2479002516

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Mercedes C253 Electronic Control Unit Module A2539003001

Part no. A2539003001

Mercedes C253 Electronic Control Unit Module A2539003001

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Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351

Part no. A2059005351

Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351

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Display Screen Mercedes C253 Vito W447 W448 Head Unit Touch Monitor A2539005009

Part no. A2539005009

Display Screen Mercedes C253 Vito W447 W448 Head Unit Touch Monitor A2539005009

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BDC Module Mini Cooper F56 Body Domain Controller Unit Fuse Relay Module 8796101

Part no. 8796101

BDC Module Mini Cooper F56 Body Domain Controller Unit Fuse Relay Module 8796101

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Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115420518

Part no. A2115420518

Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115420518

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Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726

Part no. A1648702726

Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726

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BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971

Part no. 9289971

BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971

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Mercedes W164 ML320 CDI 4-Matic OM642.920 Engine ECU Kit A6421506100 Key Lock

Part no. A6421506100-1

Mercedes W164 ML320 CDI 4-Matic OM642.920 Engine ECU Kit A6421506100 Key Lock

Product currently unavailable

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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550

Part no. A2075401550-1

Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550

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Mercedes-Benz E W207 Cabrio A207 Exhaust BlueTec Control Unit Module Bracket

Part no. A2075453840

Mercedes-Benz E W207 Cabrio A207 Exhaust BlueTec Control Unit Module Bracket

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Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock

Part no. A6461532891-3

Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock

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Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343

Part no. 7823343

Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343

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Mini Cooper R61 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429

Part no. 3457429-1

Mini Cooper R61 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429

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Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506

Part no. A2479001506

Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506

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Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850

Part no. 6793850

Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850

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Starter BMW E60 520d M57N2 Diesel Engine Starter Motor 7796892

Part no. 7794952-4

Starter BMW E60 520d M57N2 Diesel Engine Starter Motor 7796892

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Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A

Part no. 7E0971794A

Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A

Product currently unavailable

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Mercedes W205 W257 Starter Engine Motor A2649060400

Part no. A2649060400

Mercedes W205 W257 Starter Engine Motor A2649060400

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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803

Part no. A2479061803-1

Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803

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Mini Cooper One R57 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895

Part no. 3455895-1

Mini Cooper One R57 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895

Product currently unavailable

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Mercedes W205 Ignition Control Unit A2139001223

Part no. A2139001223

Mercedes W205 Ignition Control Unit A2139001223

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Mini Paceman R61 Footwell Light Module High EKS ECU PL3 FRM3R 3457528

Part no. 3457528

Mini Paceman R61 Footwell Light Module High EKS ECU PL3 FRM3R 3457528

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Mercedes Sprinter W907 Fuse Box Battery Relay Gruner A0009824823

Part no. A0009824823

Mercedes Sprinter W907 Fuse Box Battery Relay Gruner A0009824823

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Mercedes Sprinter W907 W910 Body Control Module ECU A9079007404

Part no. A9079007404

Mercedes Sprinter W907 W910 Body Control Module ECU A9079007404

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Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual

Part no. 8617050

Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual

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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038

Part no. A2135403038

Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038

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Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804

Part no. A2479006804

Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804

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Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Automatic

Part no. 8582719-5

Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Automatic

Product currently unavailable

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Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311

Part no. A2038201311

Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311

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Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806

Part no. A9079000806

Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806

Product currently unavailable

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Mini F55 F56 Ignition Lock Barrel Key Unit 5A56078

Part no. 5A56078

Mini F55 F56 Ignition Lock Barrel Key Unit 5A56078

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Mercedes W166 Front Door Module Left N/S Control Unit ECU A1669005012

Part no. A1669005012

Mercedes W166 Front Door Module Left N/S Control Unit ECU A1669005012

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BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654

Part no. 8508654

BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654

Product currently unavailable

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BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477

Part no. 6828076-1

BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477

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BMW G20 Reverse Rear View Camera 5A63731

Part no. 5A63731

BMW G20 Reverse Rear View Camera 5A63731

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Engine Wiring Mercedes W176 W246 W242 M270 Loom Harness Cable A2701501433

Part no. A2701501433

Engine Wiring Mercedes W176 W246 W242 M270 Loom Harness Cable A2701501433

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BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME 7546990

Part no. 7546990-3

BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME 7546990

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BMW F20 F30 116i 316i N13 Engine Control Unit Module ECU DME 8625241 Automatic

Part no. 8625241-7

BMW F20 F30 116i 316i N13 Engine Control Unit Module ECU DME 8625241 Automatic

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BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897

Part no. 6925897

BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897

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Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030

Part no. 7515030-2

Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030

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PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007

Part no. 6954007-1

PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007

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Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900

Part no. A2709000900

Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900

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Airbag Module BMW G20 G21 SRS Control Unit Module ECU 9476858

Part no. 9476858

Airbag Module BMW G20 G21 SRS Control Unit Module ECU 9476858

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BMW E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9286796

Part no. 9286796

BMW E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9286796

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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469

Part no. 7550469-3

BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469

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Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800

Part no. A1569056800

Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800

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BMW G20 320d B47D 190HP Engine Control Unit Module ECU Kit DDE 8475468 Key BDC

Part no. 8475468

BMW G20 320d B47D 190HP Engine Control Unit Module ECU Kit DDE 8475468 Key BDC

Product currently unavailable

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Mercedes C205 Fuse Box Relay Control Unit Module A0035421819

Part no. A0035421819

Mercedes C205 Fuse Box Relay Control Unit Module A0035421819

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Battery Cable BMW F45 Mini F54 F56 B48 Alternator Starter Wiring 8602973

Part no. 8602973

Battery Cable BMW F45 Mini F54 F56 B48 Alternator Starter Wiring 8602973

Product currently unavailable

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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049006009

Part no. A2049006009

Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049006009

Product currently unavailable

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Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166

Part no. 2448166

Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166

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Negative Cable Mercedes C117 W176 Battery Lead Minus Pole Wiring A1765400009

Part no. A1765400009

Negative Cable Mercedes C117 W176 Battery Lead Minus Pole Wiring A1765400009

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Mercedes W205 C300 OM264.920 Engine Control Module ECU A2649000700 Automatic

Part no. A2649000700-3

Mercedes W205 C300 OM264.920 Engine Control Module ECU A2649000700 Automatic

Product currently unavailable

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Alternator Iveco Daily II Engine Alternator Generator 140A 504057813

Part no. 504057813

Alternator Iveco Daily II Engine Alternator Generator 140A 504057813

Product currently unavailable

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BMW F10 F11 306HP N55 535i ECU Engine Control Unit Module DME 7620419 Manual

Part no. 7620419

BMW F10 F11 306HP N55 535i ECU Engine Control Unit Module DME 7620419 Manual

Product currently unavailable

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Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000

Part no. A6511509000

Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000

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Mercedes W202 Ignition Engine Control Unit Module C180 M111 Petrol A0185454132

Part no. A0185454132

Mercedes W202 Ignition Engine Control Unit Module C180 M111 Petrol A0185454132

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

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Air Module Mercedes ML W166 Interior Safety SRS Control Module A1669001311

Part no. A1669001311

Air Module Mercedes ML W166 Interior Safety SRS Control Module A1669001311

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Starter Mercedes Sprinter W906 Diesel Engine Starter Motor Valeo A0061517401

Part no. A0061517401-2

Starter Mercedes Sprinter W906 Diesel Engine Starter Motor Valeo A0061517401

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BMW F07 F10 F11 N47N Diesel Alternator Generator Engine 220A Valeo 8507625

Part no. 8579420-1

BMW F07 F10 F11 N47N Diesel Alternator Generator Engine 220A Valeo 8507625

Product currently unavailable

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Mercedes W169 W639 COMAND Navigation Head Unit Radio Sat Nav Screen A1699007900

Part no. a1699007900

Mercedes W169 W639 COMAND Navigation Head Unit Radio Sat Nav Screen A1699007900

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Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307

Part no. A1669002307

Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307

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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

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BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006

Part no. 7798006-2

BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006

Product currently unavailable

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Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401

Part no. A6429000401-1

Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401

Product currently unavailable

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Mercedes W166 Tailgate Control Module Unit A1669006311

Part no. A1669006311

Mercedes W166 Tailgate Control Module Unit A1669006311

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Relay Box Mercedes ML W166 Engine Compartment Relay Module A1669063801

Part no. A1669063801

Relay Box Mercedes ML W166 Engine Compartment Relay Module A1669063801

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AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201

Part no. A6429007201

AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201

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Mercedes ML W166 Radio Stereo CD Player Audio Sat Nav Head Unit A1669000213

Part no. A1669000213

Mercedes ML W166 Radio Stereo CD Player Audio Sat Nav Head Unit A1669000213

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Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708

Part no. A0019822708

Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708

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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key

Part no. 8513242-3

BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key

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Mercedes Sprinter W906 W907 Positive Battery Cable Wiring A9064401066

Part no. A9064401066

Mercedes Sprinter W906 W907 Positive Battery Cable Wiring A9064401066

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Renault Trafic F83 F9Q 760 Engine Control Module ECU 8200546983 Manual

Part no. 8200546983

Renault Trafic F83 F9Q 760 Engine Control Module ECU 8200546983 Manual

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Mini R60 Cooper SD N47N 2.0 143HP Engine ECU Kit DDE 8583423 CAS3 Key Manual

Part no. 8583423-3

Mini R60 Cooper SD N47N 2.0 143HP Engine ECU Kit DDE 8583423 CAS3 Key Manual

Product currently unavailable

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Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334

Part no. UB2305000334

Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334

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Key components of vehicle electrical systems

Original electrical parts for popular car brands

A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.

How does a car's electrical system work?

A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:

  • Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
  1. Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
  2. Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
  3. Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
  4. Starters – Key components of the starting system that enable the engine to be started.
  5. Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
  6. Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
  7. Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
  8. Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
  9. Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.

Key technical parameters of electrical systems

Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.

Why is it worth taking care of your car's electrical system?

Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:

  • Problems starting the engine.
  • Failure of safety systems such as ABS or airbags.
  • Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.

Symptoms of electrical system disruptions

In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:

SymptomPossible causeItem to check
Difficulty starting the engineWorn out starter or batteryStarter motor, battery
Dimming the lightsInefficient alternatorAlternator, voltage regulator
Electric windows not workingDamaged relays or harnessRelays, wires

How to choose the right parts for your electrical system?

When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:

  • Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
  • Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
  • Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.

Compatibility and fit

The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.

Why choose used electrical parts?

Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?

  • Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
  • Ecology – You support recycling and reduce waste by choosing used car parts .
  • Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.

How to take care of your car's electrical system?

To ensure your electrical system operates reliably for years, it is worth remembering a few rules:

  • Regularly check the battery condition and charge level.
  • Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
  • Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.

Step-by-step control procedures

  1. Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
  2. Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
  3. Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
  4. If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.

FAQ - Frequently asked questions about electrical systems in cars

QuestionAnswer
What is a car electrical system?This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.
What is an alternator for in a car?The alternator generates electrical current when the engine is running and charges the battery.
What is the difference between a starter and an alternator?The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.
How to check if the battery is working?Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.
What are the most common symptoms of car electrical failure?Problems starting the engine, flashing warning lights, power windows not working or dimming lights.
Do electrical parts from one model fit another?Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.
How often should you check your electrical system?It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Summary: Automotive electrical systems at Global Parts Automotive Store

Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. 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 , or others, 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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