Automotive electrical systems
More informationAt 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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Part no. 93461046
Opel Vivaro A Renault Trafic MK3 1.6 dCi Engine Alternator 185A 93461046
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Part no. A0009068302
Mercedes Sprinter W907 Alternator Generator Engine Diesel 250A 14V A0009068302
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Part no. A1729008500-1
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
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Part no. 7553166-2
BMW E60 E90 330i 530i N52 258HP ECU Kit DME 7553166 + CAS2 + Key Automatic
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Mercedes CL203 CLC 350 M272.960 272HP Engine Module ECU Kit A2721531291 2 Keys
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Part no. A2028207426
Mercedes W202 W208 Anti Theft Alarm Module Control Unit ECU A2028207426
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Part no. 6921980-1
Door Module BMW E65 E66 Door Control Unit ECU TFT Rear Left N/S 6922263
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Part no. 7576921
Mini Cooper R55 R56 R57 Mitsubishi Engine Alternator Generator Petrol 7576921
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Part no. 6781406-1
BMW 3 5 6 Series E60 M5 E64 M6 E90 E93 M3 Accelerating Sensor
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Part no. 3456034
Mini Cooper R56 LCI ECU Footwell Light Module FRM3R LOW EKS Lear 3456034
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Part no. 7557395-4
Mini One R50 R52 W10 1.6 90HP Engine Control Unit ECU Module 7557395 Automatic
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Part no. 4M0907428F
Audi A5 F5 Camera Control Module Unit ECU 4M0907428F
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Part no. 6908529
BMW 3 5 7 X5 Series E38 E39 E46 E53 GPS Navigation System Computer Unit 6908529
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Part no. 7609656-2
BMW Z4 E89 Roadster 30i N52N 258HP Engine Control Unit ECU DME 7609656 Automatic
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Part no. 9294196
BMW X3 F25 Sat Navi Radio CD Player Head Unit 9294196
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Part no. 9173686-2
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Part no. 7P0927601
Oil Pump Control Audi Q7 4L Volkswagen Touareg 7P Module Unit ECU 7P0927601
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Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Part no. 9423397
AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Part no. 8804457
BMW F20 F21 F22 F30 F31 LCI Head Unit Media DAB Navigation Professional 8804457
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Part no. A0009062302
Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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Part no. 7555926-1
BMW E60 LCI E81 E90 E91 Petrol Alternator Generator Bosch 180A
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Part no. 6832924
BMW 4 Series F33 F83 M4 Switch Folding Top Sliding Up Down Roof 9366374
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Part no. 9312602
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 Lear 9312602
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Part no. A2135400200
Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200
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Part no. A0009007009
Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009007009
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Part no. 3456760-1
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit 3456760
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Part no. 6989396
BMW 3 5 Series 4 E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
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Part no. 6887754
Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6887754
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Part no. 7579142-13
BMW 1 3 Series E87 LCI E90 120i 320i Petrol ECU Kit N43 DME 7579142 CAS3 Key
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Part no. A2049009410-1
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
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Part no. A0009822223
Mercedes W906 SAM Module Fuse Box Relay Control Unit Regulator A0009822223
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Part no. A1665405202
Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202
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Part no. 8506375-2
BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + 2 Keys
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Part no. 31100-PWA-004
Alternator Generator Honda Civic Jazz Petrol Engine Mitsubishi 31100-PWA-004
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Part no. A1695407705-1
Mercedes W169 W245 Door Cable Harness Wiring Loom Front Left N/S A1695407705
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Part no. 9147220
BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module Control Unit CAS3 9147220
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Part no. 8X0959793H
Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
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Part no. 6932006-1
BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006
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Part no. 9166711-1
BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711
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Part no. 7600020-5
BMW Mini Cooper R56 N12 1.6 120HP ECU Kit DME + CAS 3 + 2 Keys 7600020 Manual
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Part no. 8E5035223
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman 8E5035223
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Part no. A1684620890-1
Mercedes-Benz A-Class W168 1 Automatic Transmission Bowden Cable A1682901585
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Part no. 5A4E600
Mini Countryman F60 Audio Amplifier Hifi Unit Active Sound Design System 5A4E600
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Part no. 7550319
Mini R50 R52 Alternator Generator 110A Benzin 7550997 7550319
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Part no. A2125400382
Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382
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Part no. 9168835
BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Part no. A2059008430
Head Unit Mercedes C205 Radio Player USB Sat Nav Harman A2059008430
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Part no. 8T0035785A
Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035785A
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Part no. 8705960
Navigation Headunit BMW F20 F21 F30 F31 LCI Radio Sat Nav Unit 8705960
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Part no. 4F0907289N
Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Part no. A2661540802
Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
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Part no. A2045403850
Mercedes W204 SAM Fuse Prefuse Box Relay Control Unit A2045403850
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Part no. 04L903017E
Audi A4 8K 2.0 TDI Diesel Engine Alternator Generator 04L903017E
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Part no. A2198200626
Door Module Mercedes C219 Front Left Door N/S Control Unit Module A2198200626
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Part no. A2195404505
Mercedes C219 Coupe Front Bumper Parking Sensor PDC Wiring Harness A2195404505
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Part no. A2139004409
Mercedes W213 Door Module Front Right O/S Control Unit A2139004409
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Part no. 9216275
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275
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Part no. A2079014200
Airbag Module Mercedes W207 C207 Coupe Air Bag SRS Control Unit ECU A2079014200
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Part no. 9116255
BMW 5 Series E60 E61 Touring Light Module Control Unit ECU LM MAN.LWR 9116255
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Part no. A6399005400-1
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Part no. A1685403706
Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
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Part no. A0051511301-2
Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Part no. A6121536379-2
Mercedes ML W163 270 CDI Engine Control ECU Kit Key Automatic A6121536379
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Part no. A0121541302
Alternator Generator Mercedes W211 W220 R230 M112 Bosch 150A A0121541302
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Part no. A6398200186
CD Radio Mercedes W639 W906 Audio Stereo Head Unit A6398200186
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Part no. 9317941-1
On-Board Screen BMW F45 F46 Central Information Display Monitor 6,5" 9317941
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Part no. A0009105202
Mercedes ML W164 Lumbar Module Front Seat Control Unit A0009105202
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Part no. 31200-RSH-E01
Starter Motor Honda Civic Jazz Petrol Engine Starter Actuator 31200-RSH-E01
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Part no. 117105124R
Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Alternator Bracket Mount 117105124R
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Part no. 7510638
BMW X5 E53 E60 E65 Integrated Relay Power Supply Module 7510638
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Part no. 8517727-2
Mini R56 LCI R60 143HP 2.0 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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Part no. 7792072-1
BMW E60 E61 E65 Compact Alternator Generator Valeo 170A 7792072
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Part no. 7521122-2
Starter Motor BMW E60 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Unit NSM1504
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Part no. 7521534
BMW 1 3 5 Series E60 E81 E87 E90 Locking Bracket Cable Harness Fixings 7521534
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Part no. 9200821
BMW E81 E87 E90 MULF Hands-free Electronics Charging Module 9200821
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Part no. 2752524
BMW Mini Cooper One R56 Cover Multifunction Box Right O/S 2752524
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Part no. 4F0907468R
AUDI Q7 4L Quattro 3.0 TDI BUS Diagnostic Gateway Interface Module 4F0907468R
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Part no. A2139005528
Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
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Part no. 8W0035465
Stereo Radio Amp Audi A5 F5 Sound System Speaker Amplifier 8W0035465
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Part no. 4K0906121C
Fuel Pump Control Audi A4 B9 A5 F5 A6 C8 Pump Unit Module ECU 4K0906121C
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Part no. 9159813
BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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Part no. A2129009025
Mercedes W212 Fuse Box Front Relay Control Unit Module SAM A2129009025
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Part no. 6801509
Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509
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Part no. 9364201
BMW G30 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
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Part no. 03L903023F
Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Part no. A0009060903
Alternator Mercedes W166 W213 C292 OM651 Generator 14V 250A A0009060903
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Part no. 8N0906018CN
Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
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Part no. 5K0959655
Volkswagen VW Golf Mk6 1K Air Module Control Unit ECU 5K0959655
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Part no. A6461502634
Mercedes Vito W639 Diesel OM646.980 Engine Control Unit Module ECU A6461502634
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Part no. A0009008129-1
PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129
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Part no. 9183564
BMW E61 E61N LCI Antenna Amplifier Diversity 868 MHZ 9183564 6985531 6934478
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Part no. 9197162
BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM II Lear 9197162
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Part no. 9269956
BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948
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Part no. A2118704585
Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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Part no. A2749000900
Mercedes R172 SLK500 M274 Engine Control Unit Module ECU A2749000900
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Part no. 6927931
BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931
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Part no. 7811702-3
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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Part no. A0355451532
Mercedes W211 Gearbox Module Transmission Control Unit A0355451532
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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.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- 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:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, 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
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- 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
| Question | Answer |
|---|---|
| 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 .