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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BMW F01 F02 F10 F11 F30 F31 Rear Top Side View Camera Module Control 9215011
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Audi A4 B8 A5 8T 2.0 TDI CJCD 150HP Engine Control Unit ECU 03L906018SJ Manual
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DURACELL Extreme AGM Accumulator Battery 70Ah 720A 12V
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BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861
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BMW F20 F30 F32 LCI 120i 320i 420i Petrol B48 184HP Engine ECU Unit DME 9894912
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Audi A6 C7 Central Gateway Control Unit Module Relay ECU 4G0907468AC
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Ford Transit MK7 2.4 TDCi Diesel Alternator Bracket Mount Support 6C1Q-10K019-AC
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Mercedes W213 W222 C238 Keyless Go Entry Control Module Unit ECU A2139001610
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Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Audi A3 8V Control Unit PDC Parking Sensor Module 5WA919297B
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Audi A3 8P 1.6 TDI 105HP CAYC Diesel Engine Control Unit ECU Module 03L906023PP
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A3 8V Multimedia CD Player Head Unit Audio Player 8V0035864
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Mercedes Vito W639 651.940 116 CDI 163HP Engine Module ECU A6511501879 Manual
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Mini One F56 B38 102HP Engine ECU Unit Kit DME 8486844 BDC Lock Key Manual
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Mercedes W166 W246 Door Module Front Right O/S Control Unit ECU A1669005404
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Fuse Box Mini R56 LCI High SPEG S5 Electrical Fuse Distribution Box 3455536
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VW Volkswagen Golf Mk6 1.6 TDI 105 HP Diesel CAYC Engine ECU 03L906023ML Manual
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Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6870277
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BMW E60 E90 325i 525i N52 218HP Engine ECU Control Unit DME 7561684 Manual
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Fuse Box Mercedes W212 Relay Electrical Storage Module Support A2125400324
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VW Volkswagen Crafter 35 2.0 TDI CKTB Engine Unit ECU Kit Key Lock 03L906012Q
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Mercedes W218 CLS350CDI BlueTec OM642.852 Diesel 252HP ECU A6429007301 Automatic
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BMW X1 F48 2.0dX B47 190HP Engine Control Unit ECU Kit DDE 8589145 Key Automatic
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Toyota Corolla E12 Diesel Driver Injector Control Module ECU Denso 89871-20050
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BMW 6 Series E63 E63N LCI Centre Console Switch Centre DTC PDC 6941956
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Fiat Doblo Ignition Switch Key Reader Transponder Immoblizier 46528244
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Mercedes SLK R170 W202 W208 ESP Control Unit ABS ASR Module ECU A0195453132
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Mercedes Vito W639 Valve Block Air Suspension Control Unit Module A6393280030
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Pedestrian Protection Mini F55 F56 F57 Tube Impact Crash Sensor Module 5A2A040
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Air Suspension Module Mercedes W213 C238 Regulation Control Unit ECU A2139002207
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BMW F10 F11 LCI 518d B47 150HP Engine ECU Kit DDE 8589141 CAS4 + Key Automatic
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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Audi Q7 4L 3.0TDI BUG 233HP Quattro Engine Control Unit ECU 4L0910401M Automatic
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BMW F06 F07 F10 F11 F12 Air Module Control Unit SRS ECU 6879829
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BMW F07N F10 F10N F11N Headlight Control Unit Module LED 7381018
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BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Unit ECU DDE 8576341 Automatic
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Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
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Mercedes W220 Air Module System Control Unit Module ECU SRS A0028208126
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BMW E39 Z3 E36 Impact Sensor Side Air Module Control 6910678
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BMW F07 GT 530d N57N 258HP Engine Control ECU Kit DDE 8574100 CAS4 Key Automatic
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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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Mercedes W639 Fuse Box Control Unit Module A6394401832
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BMW F20 F30 120i N13 177HP Engine ECU Kit DME 8625241 FEM Keys Lock Automatic
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Mercedes C207 Head Unit Navigation Display Media Cable A2075400632
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BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230
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VW Volkswagen Transporter T5 Body Control Module BCM Control Unit 7H0937086D
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BMW E46 Convertible Rollover Sensor Control Unit Module 6918515
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Mercedes-Benz C CLK Class W203 W209 Airbag Control Unit Module ECU A0018209726
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BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628
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Trunk Module Mercedes S205 Automatic Trunk Lid Closing Control Unit A2139000500
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BMW F10 F11 KaFAS Camera Assist Speed Limit Control 9281720
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BMW E90 M-Audio Controller System Control Unit Module Navigation 9186215
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Right Connections Tow Bar Towing Hitch Module CAN Bus Control Unit SP329ZZC
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Mini Cooper D R55 R56 LCI N47N 1.6 112HP Diesel ECU Kit DDE 8519663 CAS3 Keys
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BMW X4 F25 F36 F85 F15 Shark Roof Fin Antenna Aerial Module Unit 9291486
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BMW 3 6 Series E46 E64 Headlight Control Level Sensor Bracket 8268997
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Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104Q
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Wiring Loom BMW F01 F07 F10 F11 Cable Seat Passenger's Side Set 4182138
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Head Unit BMW F20 F30 Radio CD Player Multimedia Control Unit Alpine 9271716
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Audi Q5 8R Reducting Injector Metering Wiring Loom Line 8R0131984F
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Part no. 7544610
BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Engine Control Unit DME 7610009 Manual
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Audi A4 B9 Q7 4M Glow Plug Relay Control Unit 3.0 TDI 4M0907282A
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Mercedes W176 A180 CDI OM607 Engine Module ECU A6079002200 Keys Lock Automatic
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BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
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Volkswagen Golf Mk8 Air Module ECU Sensor Control Unit 5WA959655AD
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Mercedes W168 Air Module Belt Locking System Sensor Control Unit Module ECU
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Nissan Qashqai M9R Engine ECU Control Unit Module 23710BB31A Manual
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BMW 5 6 Series E60 E61 E63 E64 Cable Set Active Steering Wiring Harness 6928374
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Audi RS6 C7 Front Door Wiring Loom Harness Cable Right O/S 4G5971029GN
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Mercedes ML W163 270 CDI OM612 163HP Engine Control Unit ECU A6121536379 Manual
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Audi A3 8P Body Control Module BCM Comfort Control Unit 8P0907063
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BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Automatic
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BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7555361 CAS2 Key Automatic
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Range Rover Evoque Mk2 L551 LED Headlight Ballast Control Module K8D213E005BC
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Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202
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Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698207226
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BMW X5 F15 40eX N20 Electric Battery Charger Control Module ECU 6817834
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450601
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BMW E60 LCI E90 E91 335i 535i N54B30A ECU Kit DME CAS3 Key 7602118 Dual Clutch
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DURACELL Advanced Accumulator Battery 50Ah 450A 12V
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Mercedes A207 Rear SAM Module Fuse Box Relay Control Unit A2129060905
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BMW Z4 Series E85 Roadster Wiring Passenger Side Door Cable Harness 6941884
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Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622
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Part no. 7548769-6
BMW Z4 E85 2.5i Engine M54 192HP ECU Engine Control Unit DME 7548769 Manual
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BMW E60 E90 LCI 530i 330i N53 272HP Engine ECU Kit CAS3 + Key 7578020 Automatic
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Part no. A1698205089
CD Player Mercedes W169 W245 Radio Nav Navigation Head Unit A1698205089
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Mercedes Vito Viano W639 Automatic Gearbox Control Module Unit A0015455816
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BMW 3 Series E36 Cable Harness Door Front Right O/S Driver Wiring Loom 8375346
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BMW Z4 E89 Radio Stereo Infotainment Computer CD Player Head Unit 9222868
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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 .