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. 9182571
BMW 1 Series E82 E88 Rear Bumper Wiring Loom PDC Harness 9182571
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Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2128203485
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BMW 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
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Alternator BMW X5 E70 X6 E71 M57N2 Generator 170A 170AMP 14V VALEO 7796125
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BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Automatic
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Relay Mercedes W124 Indicators Wipers Hazard Lights Relay A2018210047
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BMW F10 F30 F31 F32 Side View Camera Front Bumper Video Surround View 9240352
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Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589
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Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900
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Mercedes W169 W245 CD Player Radio Audio Head Unit A1698207589
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 9176953
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Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
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Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806
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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
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Comfort Module Audi A6 S6 RS6 C6 4F Convienience Unit ECU 4F0910289N
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BMW 5 Series E60 LCI IBS Negative Battery Lead Cable Wiring Harness 9132249
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BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Engine Wiring Mini R55 R56 N12 Loom Harness Injection Valve Ignition 7585946
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Mercedes A B S Class W169 W220 W245 Battery Lead Cable Negative A2205400031
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Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900
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Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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Renault Trafic II 2.0 DCI Master III 2.3 DCI Alternator Plate Cover 231769503R
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Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Part no. 6969281
BMW 1 3 X1 Series E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6969281
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Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804
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BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139
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Part no. A0028201326
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326
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Part no. 7239175
BMW 3 Series F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175
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Part no. 6920461
BMW E60 E61 E63 E65 Amplifier Stereo HiFi Harman/Becker 6920461
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Part no. 8574102
BMW F20 F21 F30 F31 F32 Starter Motor Engine Actuator N47N Diesel 8574102
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Part no. 7218339
Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump ECU 7218339
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Part no. A1679052401
Crash Impact Sensor Mercedes C118 W177 W247 Front Acceleration Unit A1679052401
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Part no. 3413318
BMW E83 Light Control Module Lear LM MAN.LWR 3413318 61313413318
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Part no. A2038202686
Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686
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Part no. 6989782
BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768
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Part no. A0051516601
Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Part no. A0025422619-1
Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
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Part no. A6519064800
Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Volkswagen Golf Mk7 Headlight Cornering Module Control Unit 3D0941329E
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BMW X5 E70 X6 E71 Module Control Unit Trunk LidRear Tailgate Lift 7317419
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BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122
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Part no. A9064408234
Mercedes W906 Positive Battery Cable Wiring Loom Harness A9064408234
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Part no. A1694402805
Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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Part no. 3453739
Mini R56 High SPEG DC/DC Fuse Distribution Box H3 3453739
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BMW 3 Z4 Series E46 E85 E86 Cable Battery Negative
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Part no. 9159808
BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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Part no. 9252638
BMW E81 E82 E87 E88 E90 E91 E92 E93 Parking Control Module Unit PDC
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Part no. 9145026
BMW 3 Series E90 E92 E93 M3 Front Bumper PDC Loom Cables Wiring Set 9145026
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Part no. A0061517401
Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Part no. A1645403462
Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Part no. 6863389
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863389
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Part no. 03C903023S
Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
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Part no. A9064402341
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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Part no. 9390576
Airbag Module BMW X1 F48 F45 F46 Air Bag Control Unit ECU 9390576
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BMW 3 5 6 Series E60 M5 E64 M6 E90 E93 M3 Accelerating Sensor
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Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
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Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Mercedes W211 Xenon Headlight Level Control Module A0028202426
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Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604
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Part no. 2T14-11000-BA
Ford Transit Connect Starter Motor Engine Actuator Diesel 1.8 2T14-11000-BA
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Part no. A0009061903
Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903
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Part no. 9125030
Cable Wiring BMW E81 E87 Petrol N43 Positive Battery Lead Petrol 116i 118i 120i
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Part no. 9122432
BMW E60 E61 LCI X5 E70 X6 E71 X3 F25 Rain Light Solar Sensor 9122432
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Part no. 8K0959655B
Audi S5 8T Air Module Control Unit SRS System ECU 8K0959655B
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Part no. 6952987
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987
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Part no. A2048982614
Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Part no. A2078203426
Mercedes W204 C207 Rain Sensor Light Control Unit Front Windscreen A2078203426
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Part no. A6511509000
Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000
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Part no. A0009012604
Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604
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Part no. 6927270
BMW 5 Series E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
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Part no. 3456987-1
Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
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Part no. 6928366
PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366
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Part no. 8K0907064GE
Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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Part no. 9118469
BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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Part no. A0025427619
Mercedes-Benz SLS ML G C197 W164 W463 Relay Fuse 5-Pin Green Hella A0025427619
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Part no. 9665617780
Peugeot 308 Citroen C3 C4 1.6 HDI Diesel Engine Alternator Generator 9665617780
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Part no. 3453294
Mini Cooper One R56 High PL3 SPEG DC/DC M3 Fuse Distribution Box 3453294
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Part no. 2354693
BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392
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Part no. 9145102
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC 9145102
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Steering Wheel Module BMW F20 F21 F30 F31 F32 Heating Control Unit 7849393
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Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
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Audi A4 B9 Camera Control Module Unit ECU 8W0907428C
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Display Screen Peugeot Partner Expert Multifunction Dashboard Clock 9665614680
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Part no. 7316215
Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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BMW F20 F21 F30 LCI DENSO 170A Alternator Generator 7605060
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Part no. 7595179
BMW E81 E87 LCI E90 E91 Petrol N43 Engine Control Unit ECU DME 7595179 Manual
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Part no. A2139008309
Mercedes W213 Front Seat Control Unit Module ECU A2139008309
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Renault Trafic III Vauxhall Vivaro B 1.6 dCi Engine Starter Motor 233000106R
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Part no. 96583113KR
Peugeot Partner Hazard Warning Light Switch Button 96583113KR
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Part no. 6758750
BMW E60 E61 E63 E64 DSC Hydro Braking Pump Unit Speed Sensor
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Part no. 7645979
Mini F54 F55 F56 F57 F60 Petrol B36 B38 B46 B48 Engine Starter Motor 7645979
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Part no. 9348763
BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763
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Part no. 3404975
BMW X3 Series E83 E83N LCI Solar Sun Light Sensor 3404975
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Part no. 1740374
BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374
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Part no. 6968836
BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836
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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 .