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. 8602994
BMW 1 X1 X2 Series F39 F40 F48 Mini Cooper One F55 F56 Earth Cable Wire 8602994
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3X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583
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Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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Rain Sensor Ford Fiesta MK7 Mondeo MK4 Windscreen Light Module 8A6T17D547AB
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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Negative Cable Mercedes C117 W176 Battery Lead Minus Pole Wiring A1765400009
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Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220
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Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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BMW 3 Series E46 Radio Business Cassette Player 6928762
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Mercedes S212 Roof Antenna Estate Shark Trim Obsidian Black - 197 A2128270028
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Ford Transit TT9 Control Unit Relay Central Door Lock Module ECU F3LB-14B118-AA
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Engine Wiring BMW F10 F11 520d N47N Diesel Loom Harness Cable 7823648
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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BMW F20 F21 F22 F30 F31 Alpine Cd Radio Player Head Unit 9271715
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BMW E38 E53 E86 F15 Mini R50 Diagnoctic Socket Connector Plug Housing 8380698
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Alternator Ford Transit MK2 Sierra Scorpio 2.0 Engine Generator 1406067
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BMW 3 Series E46 Coupe Saloon Aerial Antenna Amplifier Diversity 433MHZ 6907123
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Audi Q3 8U Head Unit Navigation Multimedia Control Unit 8U0035193CX
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Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214
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Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME 7639049 CAS 3 Key
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BMW 5 6 7 E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6922785
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Peugeot Boxer Fiat Ducato 2.2 Diesel Battery Alternator Wiring Cable 1378481080
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Ford Transit Mk7 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BB
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Mercedes W221 Seat Control Module SSG Unit Front Left Seat N/S A2218702986
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Audi A4 B7 2.0 TDI Starter Motor Engine Diesel 03G911023A
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Mercedes W211 SAM Module Fuse Box Relay Control Unit A2115456101
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Xenon Control Unit BMW X5 E70 E90 E91 LCI Adaptive Headlight 7189311
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511508656
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BMW Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6943157
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Peugeot 307 CD Player Radio Stereo Head Unit 96766518XT00
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BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Mercedes W907 Battery Cable Alternator Wiring Loom Harness Cabling A9075404687
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BMW 5 Series E60 LCI Body Gateway Module KGM E6X High D-Can Lear 9186171
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Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
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BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399002900
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Mini Cooper Cabrio 3 R57 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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BMW 3 E91 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Mini Cooper One R55 R56 R57 Cable Adapter iPod Connection 0415047
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Mini Cooper One R50 R52 Starter Motor 0,9KW BOSCH 4542741
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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Audi A5 F5 45 TFSI QUATTRO Starter Motor Engine Denso 06H911024C
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Mercedes CLS W219 Door Module Front Left N/S Control Unit Module A2198202326
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Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902
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BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear
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Renault Scenic III 1.5 Dci Engine Alternator Generator 12V 120A 8200960533
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PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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Engine Harness Mini F56 F60 BMW F40 F46 Sensor System Module 2 Wiring 8678972
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BMW X5 E53 Radio Stereo Screen Multi Functional Display Head 6914606
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Mercedes W205 W257 Starter Engine Motor A2649060400
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Seat Module BMW F10 F11 Front Left N/S Control Unit SM MF/M - HL 9248565
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Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
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Skoda Octavia 3 5E Front Bumper Wiring Harness Loom 5E0971095CN
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Part no. 8578609
BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
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Part no. 8K0915181C
Audi A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181C
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Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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Audi A3 8V Gateway Diagnostics Interface Control Module 3Q0907530AC
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Part no. 9350332
Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
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BMW E93 Cabrio ECU Body Control Module H3 Junction Box 9177985
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BMW G20 Reverse Rear View Camera 5A63731
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BMW E39 E46 E53 E83 Control Unit EWS IV 9127086
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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BMW 5 Series E60 E61 Cable Set Door Wiring Loom Harness Driver's Side 9120773
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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Mercedes S204 Fuse Box Terminal Connection Unit A2045450369
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Volkswagen Golf Mk7 1.4 TSI CXSA Engine Control Unit ECU 04E907309A Automatic
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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BMW E60 Body Control Module ECU Control Unit KBM Basis 6978713
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Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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BMW 1 3 X1 X3 E83 E84 E87 E90 E91 N45 N46 Petrol Enigne Starter Motor 1,1 kW
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Audi A3 8P Engine Starter Motor Actuator 2.0 TDI Diesel 02E911023Q
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BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585
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BMW E60 E61 Touring Light Module Control Unit ECU LM MAN.LWR 9116255
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
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Skoda Octavia 5E MMI Multimedia Interface Unit Module Control ECU 5E0035842A
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Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835
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Mercedes W202 W208 Anti Theft Alarm Module Control Unit ECU A2028207426
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Mercedes W639 Vito 111 CDI OM646 Engine Unit Module ECU A6461532591 Manual
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Switch Sensor Cable Mercedes W205 W212 Rear Bumper Module A2229058804
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
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Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
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Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610
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VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
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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 .