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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Mercedes C117 CLA45 AMG M133.980 4-Matic Engine Control ECU Kit A2709002100 Key
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BMW F30 LCI 330e G11 740e G30 530e Hybrid B48X Engine Starter Motor 8643641
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Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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BMW 3 5 Series Mini Cooper E60 E93 R56 R60 IBS Negative Battery Lead 6938568
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Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
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BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Audi A8L 4H Rear View Backup Camera Control Unit Module 4H0907441A
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450937
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Audi Q5 8R Body Control Module ECU Control Unit 8K0907064KG
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Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
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BMW E39 6-disc CD Changer without Magazine 6908948
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Mercedes W177 W247 All Wheel Drive Control Unit Module ECU SG MFA2 A2479000910
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Fuse Box Mini Cooper R57 Cabrio High SPEG PL3 DC/DC H4 Distribution 3457579
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Peugeot 207 Negative Battery Terminal Cable Wiring Electrical Cable 9665205380
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Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic
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Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J
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Headlight Module BMW F07 F10 LEAR TMS Headlamp Control Unit Module 7258278
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Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
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MINI Clubman R55 LCI Instruments Cover Trim Panel Dashboard Dash 9239915
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Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual
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Audi A8 4E S8 D3 TV Tuner DVB Receiver Hybrid Digital / Analog 4E0910148C
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BMW E65 Cable Harness Door Panel Card Rear Wiring Loom 6913147
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Display Screen Peugeot Partner Expert Multifunction Dashboard Clock 9665614680
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BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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Engine Wiring BMW F20 120i F30 320i 330i LCI B48 Cable Loom Harness 8636068
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Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE500180
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Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107
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Alpine CHM-S630 CD Changer Multichanger 6-disc Magazine Cartridge
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402
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BMW E81 E87 E90 E91 E92 Radio CD Professional 9110678
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Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Mercedes W207 A207 W212 Digital Satellite Radio Control Unit A2229009211
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Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530
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Citroen Berlingo 1.6 HDI 9H06 Engine Control Unit ECU EDC 98078859 Manual
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Audi S1 8X Front Lamp Headlight DRL Ballast Control Module Unit 4G0907397R
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Manual
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Mercedes R171 W203 W211 Phone Adapter Contact Plate Holder Telephone A2038201411
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Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064CP
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Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU 03L906022JM
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Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
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Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
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MINI Cooper One R56 PL3 SPEG H5 Fuse Distribution Box 3455440
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Mini Cooper Cabrio 1 R57 Aerial Roof Antenna Base Unit 3453891
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Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
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BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 6966643
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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BMW E84 ECU Body Control Module Junction Box PL2RR JBBFE IIIR 9267421
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Mini Cooper One R56 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
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Radio Tape Player Jaguar XJR XJ6 X300 Audio Control Unit Cassette AJ9500R
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Audi A5 8T 2.0 TFSI CDNB Automatic Gearbox Module Control Unit 8K0927155AA
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Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 8378107
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Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421503972 Key Lock
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Mercedes Sprinter W907 Alternator Generator Engine Diesel 250A 14V A0009068302
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Mini Cooper R56 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
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Starter Motor BMW E60 E61 E65 E53 E70 Petrol Engine N62N Starter 7536690
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Mercedes W176 W246 USB Interface Multimedia Adapter Connector A1728201700
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Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Pure Silver - 900
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual
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BMW E46 Touring Positive Battery Cable Plus Pole Lead Loom 6907435
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Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
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Audi Q5 8R Air Module SRS System Control Sensor ECU Unit 8R0959655E
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Mercedes W169 W204 W212 Battery Cable Negative Lead Wiring Harness A0009052702
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BMW E87 Light Module ECU PL2 FRMFA 61359128183 9128183 9128223
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Mini F56 B38 1.5 136HP Petrol Engine ECU Module DME 8655106 Manual
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Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control Unit ECU Kit 7L0907401F Key
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BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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BMW E60 Light Control Module Unit Lear LM II E6X LWR LCM 9137775
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Mini F55 F56 EVO HU Head Unit Basic Media Navigation Headunit Module 6819426
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Audi A5 8T Module Lane Assist Control Unit Rear Right O/S 8K0907566H
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VW Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Left N/S 1K0971121CN
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BMW E87 LCI Footwell Light Module Control Unit PL2 FRM3R 9224592
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BMW Mini Cooper S R55 R56 Automatic Gearbox ECU Control Unit EGS Module 7600562
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BMW F11 Touring Rear Axle Air Suspension Control Unit ECU Module 6799677
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Audi Q2 GA 3.0 TDI DTTC Diesel Engine Alternator Generator 05L903026B
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Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329700
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Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718
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Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AF
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BMW X5 Series E53 Rear Bumper PDC Cables Set Wiring Loom Harness 6906347
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
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BMW Z4 Series E85 Cable Loom Driver's Door Wiring Harness 6986980 6986976
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Mercedes Vito W639 109CDI 646.980 95HP Engine ECU Kit A6461500678 Ignition + Key
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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 .