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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REM Control Unit BMW F20 F30 F31 F34 Electrical Body Control Module V2 9362395
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BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
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Audi Q7 4L Rear Reversing Camera Module View Camera Control Unit ECU 4L0910441A
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Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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Mercedes W906 313 CDI OM646.985 109HP Engine ECU Unit Module A6461501877 Manual
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Mercedes SLK R171 Seat Heated Heating Control Unit Module ECU A1718201726
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VW Passat Variant PA 1.6 TDI Diesel Blue Motion Engine Control ECU 03L907425C
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BMW X3 E83 LCI 3.0sd M57N2 Engine Control Unit ECU DDE 7806981 Automatic
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Citroen C4 Starter Motor Diesel Engine 1.6 HDI Actuator Unit 9688268580
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Mercedes C CLK Class W203 W209 Antenna Amplifier Radio Left N/S A2038200189
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Audi A6 C7 Rear Boot Trunk Lid Tailgate Control Unit Module ECU 4G9959107B
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BMW Disc Professional Navigation 2016 Update DVD Road Map Europe 2408599
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VDP Module BMW G30 G31 G32 Front Suspension Level Control Unit Module 6889577
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BMW 5 Series E60 E61 LCI 525d M57N2 Engine Wiring Loom Harness Manual 7796846
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Peugeot Expert Citroen Dispatch 2.0 HDI 120HP Engine Unit ECU 9664611380 Manual
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BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
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Mercedes R171 SLK350 272.969 305HP Engine ECU Kit A2721531692 Key Lock Automatic
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BMW X3 Series E83 2.5i 3.0i M54 Battery Positive Power Cable Terminal 3414876
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Mini Cooper R50 R53 DVD GPS Navigation System Computer 3 Control Unit 6924829
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Mercedes W245 Bluetooth Module Telephone Control Unit A1698200611
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Fuse Box Mini R58 R59 Distribution Control Unit Module 3457508
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Mercedes W205 C 220d 651.921 170HP ECU Kit A6519005203 SAM Key Lock Automatic
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Mercedes W213 SD Card Garmin Map Pilot Navi Europe 2019 A2139062607
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BMW 1 Series E87 Footwell Light Module ECU Control Unit PL2 FRM 9204536
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Audi A4 B8 3.2 FSI Alternator Generator 06E903016N
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BMW F10 Light Control Footwell Module ECU Unit FRM3 9247063
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BMW F20 F22 F30 Rear Electronic Module REM Fuse Box Control Unit V5 ECU 6809053
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BMW F45 LCI F46 218i X1 F48 18i B38C 140HP Engine Unit ECU DME 9452590 Manual
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BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
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Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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BMW Banner EFB Start Stop Accumulator Battery 70Ah 700A 12V 6991365 6992187
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Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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Skoda Octavia II Steering Wheel Position Angle Control Unit Module 1K0953549BS
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Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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Audi A6 C6 Power Supply Module Comfort Control Unit ECU 4F0910279K
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110723BC
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BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
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Mini Cooper D R55 R56 W16 1.6 109HP ECU Kit DDE 7810909 CAS3 Key Automatic
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Mercedes Sprinter W901 W905 Immobilizer Control Unit Module ECU A0335455932
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Iveco Euro Cargo Body Control Module ECU Convenience Control Unit 504096743
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Ford Transit MK7 Radio 6000 CD Player Stereo Head Unit 6C1T18C815AJ
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BMW F10 F20 F30 120d 320d 520d N47N Engine Control Unit DDE 8572419 Automatic
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BMW X5 E70 Audio Amplifier HiFi Stereo Sound System Booster Control Unit 9240136
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Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1698205189
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Citroen Relay 3 Radio Stereo Navi Sat Screen Display Head Unit 7356560570
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Mercedes W221 Boot Lid Remote Open Close Trunk Control Module A2218708287
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Mercedes-Benz C E Class W202 W203 W210 Windscreen Rain Light Sensor A2108205710
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Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Jaguar XF X250 Diesel Engine Starter Motor 12V DENSO 8X2311001AA
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Audi S3 8Y 2.0 TFSI Starter Motor Engine Petrol 02E911022H
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BMW X1 F48 Mini F55 F56 LCI B+ Junction Terminal Power Distribution Box 8792232
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BMW E60 E63 545i 645Ci 333HP N62 Engine Control Unit ECU DME 7540510 Automatic
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Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
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Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F
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Mercedes-Benz S W221 Aerial Antenna Control Unit DAB TV Keyless-GO A2218209289
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BMW 3 Series 1 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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BMW X5 E53 Radio Stereo Screen Multi Functional Display Head 6914606
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Mini R58 Footwell Light Module Control Unit High EKS PL3 FRM3R Lear 3457527
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Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655H
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BMW 1 Series E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9204524
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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Mercedes W205 C 300 264.920 258HP Engine ECU Control Unit A2649001200 Automatic
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Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Audi A3 8V SAT NAV DAB Stereo Head Unit MMI Multimedia Control Unit 8V0035864A
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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 .