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. A6519065200
Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200
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BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear
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MINI Cooper One Clubman R55 LCI Rear Bumper PDC Cables Wiring Loom Set 9271376
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Mini Cooper One 1 R55 R56 R57 Radio Boost CD Player Head Unit 3452681
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Mercedes W221 Telephone Bluetooth Control Module A2218708685
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BMW F45 Active Tourer LED Module Cornering Light Front Right O/S Unit 7391400
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Skoda Octavia II Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156F
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Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Alternator Bracket Mount 117105124R
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Volkswagen Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084CL
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Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592E
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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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Skoda Octavia 5E Front Door Control Module Unit Driver's Side 5Q4959393B
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BMW E46 Radio Business CD Player 65126939660 6939660
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Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
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BMW 5 Series E60 LCI Body Gateway Module KGM E6X High D-Can Lear 9186171
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Head Unit Mercedes GLA X156 Radio Media Player Navigation Switch A2469000816
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9868386
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Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419
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BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH
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Mini Cooper Cabrio 3 R57 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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Renault Trafic III Opel Vivaro B Air Module Control Unit ECU 93868139 985101902R
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454A
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AUDI A7 4G8 Parking Assist Sensors Distance Control Module 4H0919475N
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BMW X3 E83 Cable Loom Door Passenger Side Wiring Harness 3412570
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Engine Control Unit DME 8652746 Manual
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51919499
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Tailgate Smart BMW F10 F30 F34 Mini F54 F60 Opener Control Unit Module 7491439
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Mercedes W205 W213 C253 Fuse Box Front Relay Control Unit Module A2059065806
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M-Audio Controller BMW E60 E61 E63 E64 Radio Player M-ASK CD Head Unit 6955346
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Part no. E90 Wiring Loom Set PDC Rear-3
BMW 3 Series 3 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Part no. 6858547
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547
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Part no. 8200404459-1
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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BMW E63 E64 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 6982976
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Adblue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9488418
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Part no. 1K0971349AQ
Volkswagen VW Golf Mk6 Alternator Cable Wiring Harness Loom 1K0971349AQ
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Mercedes SLK R171 Petrol M271 Fuse Box SAM Relay Control Module A2129007324
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Part no. A9015407309
Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
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Part no. 5K0937087AD
Volkswagen Touran 1T Scirocco III BCM Body Control Module Unit ECU 5K0937087AD
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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Mercedes W205 Ignition Control Unit A2139001223
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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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BMW F10 F11 530d N57 245HP Engine Control Unit ECU Module DDE 8511385 Automatic
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BMW 3 Series F32 F82 M4 Wiring Loom Front Door Cable Passenger Side 9337221
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Part no. 6962888
Air Module Sensor BMW Z4 E64 E85 B Pillar Right O/S 6962888
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Part no. A6681500033
Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033
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BMW E93 Cabrio ECU Body Control Module H3 Junction Box 9177985
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Part no. 8475468
BMW G20 320d B47D 190HP Engine Control Unit Module ECU Kit DDE 8475468 Key BDC
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Audi A8 4E S8 D3 Battery Voltage Control Module 4E0910181C 4E0915181C
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Part no. 9322056
Battery Cable BMW X5 F15 Positive Plus Pole Distribution Box Wiring SBK3 9322056
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Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901
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Part no. A2229001912
Mercedes W205 C253 Door Module Rear Left N/S Control Unit ECU A2229001912
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Part no. 1707017
BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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Mercedes C140 W202 Engine Cooling Radiator Fan Control Unit Module A0165459632
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Part no. 6940623-QB1
BMW E81 E82 E84 E87 E90 E91 PDC Park Sensor Ultrasonic Set x4 Quarz Blau - A18
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Audi Q5 FY 2.0 TFSI DAXB 252HP Quattro Engine ECU Kit Gateway + Key 06L907425C
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Audi Q2 GA Q3 F3 Rear Boot Trunk Lid Tailgate Control Unit Module 5Q0959107AB
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BMW E65 E66 Air Module Control Unit Information ECU 6922464
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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Part no. 8E5035223D
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman Becker 8E5035223D
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Part no. 6R0971349AH
VW Polo MK5 1.2 TDI CFWA Alternator Wiring Starter Motor Harness 6R0971349AH
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Part no. BK2Q6M091AD
Ford Transit Mk7 Glow Plug Wiring Loom Cable Wire TDCi Diesel BK2Q6M091AD
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Part no. A0061512501-1
Mercedes-Benz C-Class W203 W204 W211 Diesel Engine Starter Motor A0061512501
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Part no. 059971341E
Audi Q7 4L 3.0 TDI V6 Diesel Engine Cable Wiring Duct Channel Cover 059971341E
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Part no. 9393953
Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
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Part no. 059903018E
Audi Q7 4L Diesel Alternator Generator Engine Electrical Unit 059903018E
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Part no. 02A911023
Audi A3 8P Starter Motor Engine Diesel Actuator Unit 02A911023 LRS00791
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Part no. 1K0906093F
Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
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Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Part no. A2139009722
Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Part no. 8200568535
Renault Trafic Opel Vivaro Diesel Starter Motor 8200568535
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Part no. A0155429317
Speed Sensor Mercedes Sprinter W906 Impuls Control Unit Module A0155429317
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Part no. 9177987
BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
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Part no. 7583225-14
BMW E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Automatic
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Part no. A0009062302
Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045
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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583
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BMW Z4 E89 2.3i 3.0i N52N Petrol Engine Wiring Loom Harness Cable 7598076
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Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530D
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Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Ford Transit Mk8 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BD
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Part no. A1695403945
Mercedes-Benz B-Class W245 Central Gateway Control Unit Module ECU A1695403945
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Mercedes-Benz CLK W208 Front Left Right Door Interior Handle Bowden Pull Cable
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Part no. 7532988
BMW X3 Series E83 3.0i M54 Automatic Gearbox Basic Control Unit EGS 7532988
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Part no. 7607685
Mini One R56 LCI R60 N16 98HP Petrol Engine ECU DME 7607685 Control Unit Manual
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Part no. A1635458032
Mercedes ML W163 Stability Controller 4ESP Unit Module ECU A1635458032
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Part no. 81A971104E
Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom 81A971104E
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Part no. 8374798
BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Part no. A1718205226
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718205226
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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 .