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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Centre Console Connector Mercedes W204 W207 USB Port Socket Trim A2078210411
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Starter Ford Mondeo MK3 2.0 TDDi Mk4 2.0 Tdci Diesel Engine Starter Motor
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Navigation Headunit BMW F20 F21 F30 F31 LCI Radio Sat Nav Unit 8705960
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BMW E65 E66 Dashboard Control Display Screen 8,8" 6986301 9137123
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BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
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Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850
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Fuse Box Mercedes W169 W245 SAM Body Control Module Unit ECU A1699010100
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Rear View Mirror Cable Mercedes W169 W245 Wiring Loom Harness A1695400706
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Mercedes W203 C200 Kompressor M271.940 163HP Engine ECU A2711534691 Automatic
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Mercedes S205 X253 Center Console Wiring Loom Electrical Harness A2055402224
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BMW E64 E85 Sensor B Pillar Air Module Unit Left N/S 6940299
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Radio Head Unit Mercedes C207 W207 COMAND Navi CD Player Navigation A2129009004
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367
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Display Mercedes C205 Dashboard Central Multimedia Car System Screen A2059002211
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid Plus 9284422
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BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Electronic Unit FEM 8733499
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Audi Q5 8R 2.0 TDI Alternator Generator 14V 180A Valeo 03L903016A
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Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 09132701
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BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497
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Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
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Renault Master II Trafic II 2.5 dCi Diesel Engine Starter Motor Valeo 8200634602
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BMW G20 Axle Differential Module Control Unit ECU 5A11E72
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Mercedes W169 W245 A150 B150 M266.920 95HP Engine ECU Kit A2661530391 Key Lock
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Audi Q2 GA Wireless Charger Centre Console Phone Charging Module Unit 4N0035502B
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Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943287
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Audi TT FV Navi SD GPS MMI Multimedia Head Unit Module 8S0035021B
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6461501388
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BMW 5 Series E60 LCI Light Control Unit Module LCM LM E6X LWR LEAR 9154943
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BMW E60 E61 E63 E64 LCi Fuse Box Power Distribution Rear 9138830
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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326
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Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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Mercedes C253 Electronic Control Unit Module A2539003001
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BMW E60 E61 E63 E64 E65 E66 Air Recirculation Control Sensor AUC
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Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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BMW F10 F30 F31 F32 Side View Camera Front Bumper Video Surround View 9240352
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PDC Display Mercedes W639 Front Parking Sensor Screen Control Unit A0015422623
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MINI S R52 R53 W11 Engine Control Unit Module ECU DME 7553735 Manual
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Audi A4 B9 BCM Body Control Module Unit ECU 8W0907064CB
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Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
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Audi Q7 4L Automatic Transmission Module Controller Unit 09D927750FS
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Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
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Audi TT 8J Driver's Side Door Wiring Harness Loom 8J0971029AD
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Mercedes W118 W177 W206 W247 Air Quality NOX Sensor A0009054807
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Mercedes W447 Comfort Control Unit Module A4479009509
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Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
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Fuse Box Cover Citroen Berlingo Peugeot Partner Housing Lid Trim 9658418180
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Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 9645100680
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 6927704
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6932812
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Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R
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Engine Wiring BMW F20 F30 LCI 118d 318d 120d 320d B47 Loom Harness Cable 8595284
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BMW E91 LCI Footwell Light Control Module LCM LED Basis 9249083
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Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit 1K0035186R
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BMW F46 Light Control Module Unit Basis 1308310406
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine Unit ECU Kit DME 7620985 Manual
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Land Rover Freelander 2 Radio Stereo CD Player Head Unit 6g9n-18c815-ta
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Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956
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BMW 1 Series E82 E88 125i N52N 218HP ECU Kit DME 7594483 CAS3 + Key Automatic
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BMW F10 F11 306HP N55 535i ECU Engine Control Unit Module DME 7620419 Manual
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BMW X5 E39 E53 Steering Column Wiper Switch Stalk 8375408
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BMW E70 E71 F01 F02 F10 F11 F30 F31 Diesel Starter Motor NAPA 8581098
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BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6986077
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BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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BMW F40 MINI F56 F57 F60 Control Unit Box Cover Trim Bracket 8581370
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CD Radio Mercedes W639 W906 Audio Stereo Head Unit A9069006001
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Mercedes Vito W447 Transmission Gearbox Control Unit Module ECU A4479002707
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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness Cables Set 3453809
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BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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Mercedes W906 OM651.957 Diesel Engine ECU Kit Unit A6519002600 Key Lock Manual
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Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
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Ford Transit MK7 2.2 TDCi Diesel Glow Plug Wiring Loom Cable BK2Q6M091AE
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BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Peugeot 207 Multifunction Display Screen Unit Module Dash Dashboard 9676655380
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BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359253480 9253480
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MINI One 1.6 R50 R52 W10 90HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key
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Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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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 .