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. 8573260-3
ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual
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Ignition Switch Mercedes C238 Electronic Anti Theft Control Module A2139005023
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Mercedes-Benz C ML W203 C209 W163 6 CD Changer Magazine Cartridge A0028206289
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BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446
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BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914
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Audi A4 B9 LED Module Light Unit Wiring Harness Left Rear N/S 8W0947355J
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Audi A3 8P Door Wiring Driver's Side Harness Loom Electrical Cable 8P4971035AC
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Chip Power Box Remap Module Control Unit Wiring Cable Harness Plug OBD2
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Chrysler Voyager 2.8 CRD ENR Engine Alternator Generator 4868429AD
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Audi A1 8X Battery Cable Loom Harness Wiring Negative Terminal 6R0915181E
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BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555176
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Mercedes C209 CLK220 CDI 646.966 Engine ECU Kit A6461505091 Keys Lock Automatic
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BMW E93 Convertible Cabrio Battery Cable Plus Positive Pole Wiring 9160101
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Mini Cooper SD R55 R56 LCI N47N 90HP Engine ECU Kit DDE 8512415 CAS3 MANUAL
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Gearbox Module Mercedes W205 W213 GLC X253 Control ECU Automatic A2139006227
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Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023A
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BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual
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Audi A3 8P Alternator Generator Diesel Engine Electrical Unit 03L903023A
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic
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BMW X3 X5 E53 E83 M57N2 Alternator Generator Diesel Power 150A 7797661
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BMW X5 E53 Bosch Xenon Headlight Level Control Ballast Module 1307329060
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Audi Q7 4L Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 4L0035670
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Mercedes-Benz W202 W208 Parking Sensor Wiring Loom Cable Harness Front PDC
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Mercedes-Benz W203 M111 C 200 230 K Bosch Alternator Generator A0111547202
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SAAB 9-3 1.9 TTiD ECU DDE Engine Control Unit Module 55568896
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Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409
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Audi A6 C7 PDC Parking Distance Sensor Module Control Unit ECU 4H0919475Q
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BMW E83 LCI Valvetronic Starter Cable Wire Loom 3419515
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Audi A3 8P Alternator Main Cable Wiring Harness Loom 1K0971349FL
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Starter Cable BMW G30 G31 G32 Alternator Wiring Starter-Base B+ 8595355
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Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A
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BMW E38 728i M52 193HP Engine Control Unit ECU Module DME 1429861 Automatic
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Roof Antenna Mercedes W212 Shark Trim Panel Iridium Silver - 775 A2128270128
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BMW F20 F21 F30 F31 LCI B58 Petrol Starter Motor Engine 8621840
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Part no. A0009062609
Mercedes C118 W177 W247 Three Phase Alternator A0009062609
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Mercedes H243 Bonnet Actuator Left Right N/O/S Pedestrian Protection A2479069901
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BMW G30 Engine Wiring Loom Harness Ignition Module 8482313
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Smart ForTwo C453 Battery Negative Minus Wiring Cable A4535402703
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Mercedes A W168 Petrol Engine Starter Alternator Electrical Cable A1685400830
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Starter Motor Ford Transit 2.2 TDCI Diesel Engine BK3T11000FA
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Renault Trafic 3 Vauxhall Vivaro B Body Control Module ECU BCM T4 L4 284B18533R
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Iveco Daily MK3 Starter Motor Engine Diesel Bosch 504086888
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£Mercedes W212 E220CDI OM651 Diesel Engine Control Unit Module ECU A6519005301
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Xenon Light Module BMW E60 E61 E63 E66 Headlight Control Module Unit ECU 6924560
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Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
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Mercedes W211 Alternator Generator A0121549802
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BMW E91 LCI Control Unit Module Support Plate Bracket Carrier Holder 7220891
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Mini Cooper F56 B38 1.5 136HP Petrol Engine ECU Kit DME 8655106 BDC + Key Manual
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Audi A6 C7 Multimedia Radio CD Player Head Unit 4G0035192H
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BMW Z4 E89 20i N20 184HP ECU Engine Unit Kit DME 8643741 CAS3 + Key Automatic
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Mercedes-Benz C-Class W203 Front Left Door N/S Control Module A2038200526
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Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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Mercedes-Benz C M Class W163 W203 ESP Yaw Rotation Rate Sensor A0025427218
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU 8C1112A650CC
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BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630
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Mercedes W202 C208 W210 Fuse Box SAM Relay Control Unit Module A0195455632
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Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722
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BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
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Audi A4 B9 LED Module Light Unit Wiring Harness Right Rear O/S 8W0947355M
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VW Volkswagen Amarok NF Wiring Harness Loom Cable N1XT-14D338-ADC
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Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B
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Part no. A2038200626
Mercedes-Benz C-Class W203 Front Right Door O/S Control Module A2038200626
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Part no. AV6N-10300-GC
Alternator Ford Focus MK3 Fiesta MK6 1.6 TDCi Engine Generator AV6N-10300-GC
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Part no. 3414473
BMW X3 E83 Transmission DXC Transfer Box Wiring Cable Loom Harness 3414473
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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Audi Q7 4M Camera Module Drive Support Lane Assist Control Unit 4K4907117L
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Part no. A2129009705-1
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Part no. 6946110
Air Sensor Module BMW E65 E66 E67 A-Pillar Control Unit Right O/S 6946110
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Part no. A6541500800
Mercedes W177 W213 Engine Wiring Harness Loom E220d Diesel A6541500800
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Mercedes W118 W177 W247 Starter Alternator Wiring Loom Harness Cable A1775401758
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BMW E92 Sport Seat Left Right Thigh Support Cover Trim Leather Dakota
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BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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Toyota RAV4 Diesel Starter Motor Engine Actuator DENSO 28100-64300-84
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BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 8804459
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Part no. 7515029-2
Mini R50 R52 Petrol W10 Compact Alternator Generator 105A 7515029
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Mercedes-Benz B W245 Front Bumper Parking Distance Sensor Parktronic Primed
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Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D
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Engine Wiring BMW F87 M2 N55 Petrol Loom Module 1 Harness Cable 7853357
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Starter BMW G20 G21 G30 G32GT G01 G05 Starter Motor Valeo 8671504
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Mercedes ML W164 W211 W221 Engine Starter Motor A0061515601 0001109262
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Rear Bumper PDC BMW E65 E66 Front Ultrasonic Sensor Schwarz 2 Black 668
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Audi A3 8P Door Wiring Loom Front Left N/S Harness 8P4971029M
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549B
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BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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Mercedes SLK R171 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1715400506
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VW Polo 9N Seat Body Control Comfort Unit Module BCM Convenience Unit 6Q1937049B
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Ford Ranger Explorer Starter Motor Engine Actuator Diesel Mitsubishi M002T87271
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Starter Motor BMW E60 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Unit NSM1504
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AUDI A7 4G8 Door Control Module Front Left N/S Driver Side 4G8959793A
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BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6913164
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BMW F13 Body Control Module Electronic Junction Box JBBFE 3 PL6 V3 9267467
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Mercedes W177 Front Seat Left N/S Module Control Unit ECU A2479005707
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Alternator Generator Mercedes R171 W209 W211 M272 Petrol Engine 150A A2721540002
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Part no. A0051511301-1
@Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator MAWS38371
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VARTA Blue Dynamic Accumulator Battery 60Ah 540A 12V D24
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VW Volkswagen Amarok NF Engine Wiring Loom Harness Cable MB3T-14B060-ABE
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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 .