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. A1715404209
Roof Wiring Mercedes SLK R171 Covertible Roof Opening Wring Harness A1715404209
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BMW F11 LCI Light Control Footwell Module ECU Unit FRM3 9345374
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Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297
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Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802
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Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Mercedes W906 OM646.985 109HP Engine Unit Module ECU Kit Key A6461506378
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Audi A3 8Y A4 B9 Q5 FY Harman Speaker Amplifier Booster Sound System 8Y0035465
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Mercedes W221 Seat Control Module Front Right O/S A2218707493
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Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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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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Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Module A6511500126
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Audi A5 F5 Xenon Headlight Resistor Ballast Relay Module Unit 7PP941572AC
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Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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BMW E60 LCI E90 E91 335i 535i N54B30A ECU Kit DME CAS3 Key 7602118 Dual Clutch
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BMW E60 E61 E65 Compact Alternator Generator Valeo 170A 7792072
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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 W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622
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BMW Z4 E85 2.5i Engine M54 192HP ECU Engine Control Unit DME 7548769 Manual
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Ford Transit Mk7 Starter Motor Engine Actuator Diesel 2.2 TDCi 6C1T-11000-AF
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BMW E60 E90 LCI 530i 330i N53 272HP Engine ECU Kit CAS3 + Key 7578020 Automatic
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CD Player Mercedes W169 W245 Radio Nav Navigation Head Unit A1698205089
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Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760E
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BMW E90 E91 E92 E93 LCI Diesel N57 Alternator Remy 150A 7808073 DRA0429
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BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622
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Mercedes Vito Viano W639 Automatic Gearbox Control Module Unit A0015455816
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BMW 3 F30 LCI 330e Hybrid High Voltage Battery Storage Electrical Box 8687753
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Control Unit RDC BMW F10 F01 X3 F25 Tyre Pressure Monitor Module 6864952
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BMW 3 Series E36 Cable Harness Door Front Right O/S Driver Wiring Loom 8375346
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BMW X3 E83 LCi Rear Door Window Lifter Left N/S 6925965
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Module BCM BMW E46 Body Control Unit Module GM5 6914362
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Mini Cooper R56 LCI R60 N16 1.6 Petrol Engine ECU Kit DME 7615981 + CAS 3 + Key
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Ford Transit Custom Rear Bumper PDC Cables Wiring Loom Harness JK2T-15K868-AB
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BMW 3 5 Series E60 E90 325i 525i N52 218HP DME ECU 7567178 Kit CAS3 Key Manual
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VW Polo Mk6 Display Screen Radio Multimedia Navigation Sat Unit 5NN919605B
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9360344
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Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
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BMW F10 520d CAS 4 Car Acess System Control Module Unit ECU CAS4 CG+ELV 9367377
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BMW E90 E91 E92 N52N 325i 218HP ECU Kit DME 7574544 CAS3 + Key Manual
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BMW F20 F21 116i F30 316i N13 136HP Engine ECU Kit DME 7640755 2 Keys Lock FEM
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BMW Z4 E85 2.0i N46 150HP ECU Engine Control Kit DME 7552176 CAS2 Key Manual
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Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
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MINI Cooper One R56 PL3 SPEG H3 Fuse Distribution Box 3453296
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Door Module Mercedes CL203 W203 Front Left N/S Control Unit A2038201385
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Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T
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Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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Mercedes-Benz S-Class W220 Battery Lead Cable Positive Pole A2205400030
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Mercedes A-Class W168 Door Cable Harness Wiring Loom Front Right A1685405008
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Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201786
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Mercedes ML W166 Pneumatic Air Supsension Module Control Unit A1669009518
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Radio Tape Player Jaguar XJR XJ6 X300 Audio Control Unit Cassette AJ9500R
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Ford Transit Mk8 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BD
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Mercedes C118 W177 W205 Bluetooth Control Module Mobile Phone ECU A2389000705
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Fuel Pump Module Mercedes W176 W204 C207 W212 W246 Control Unit ECU A0009001704
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Cable Wiring Mercedes W177 W247 Fuel Pump Sending Unit Plug Socket A1775404910
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Mercedes Sprinter W907 W910 Door Module Control Unit Front Left N/S A1679002108
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Mercedes W166 Petrol Engine HV Battery Earth Ground Line Cable Wire A1665400141
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Mercedes-Benz C CLK W202 W208 Fuse Box Relay Control Unit Electric A2085450140
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Mercedes SLK R171 Air Module System Control Unit ECU A1718206526
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Ford Transit Connect Door Module Front Right O/S Control Unit ECU DV6T14B531BD
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BMW F30 F31 335dx F33 F36 435dx N57Z 313HP Engine ECU DDE 8473190 Automatic
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Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701
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BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124
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Mercedes-Benz W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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Head Unit Mercedes W205 Vito W447 W470 Sat Nav Control Unit A2059000241
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Audi A1 8X A3 8V 1.4 TFSI CZCA 125HP Engine Control Unit ECU 04E907309BH Manual
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Audi S4 B8 Aerial Antenna AMP Amplifier Booster Unit Module 8T0035223F
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Audi A3 8V 2.0 TFSI Quattro CZPB 190HP Engine Control ECU 06L907309B Automatic
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Audi A1 8X 1.4 TFSI CZCA Engine Wiring Harness Loom Manual Gearbox 04E971612BD
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Mini Cooper Cabrio R57 High SPEG PL3 DC/DC H5 Fuse Distribution Box 3455242
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549C
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Ford Transit Connect Mk2 Glow Plug Wiring Harness Engine AV6Q6M0
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Mini R56 LCI R60 Radio MINI CD Player Head Unit Controller 3456363
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MINI S R52 R53 W11 170HP Engine Control Unit ECU DME 7557395 Manual Gearbox
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BMW X5 E53 E60 E61 E63 E65 E70 Valvetronic VVT Control Unit Module 7532878
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Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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BMW 5 6 Series E60 E63 LCI Petrol N53 Wiring Loom Harness Engine Manual Gearbox
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Mercedes W639 W906 Battery Terminal Fuse Box Control Unit Module A6385454440
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BMW F20 F21 F22 F30 F31 F32 Radio Professional CD Player 9281519
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Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
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Mini Cooper D R55 R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 CAS 3 Key
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Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
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BMW F20 116i F30 316i 136HP N13 Engine ECU Unit DDE 8591073 Manual
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Mercedes W205 C63 Petrol Engine 14V 200A Alternator Generator Unit A0009061705
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Door Module Mercedes W221 Front Door Right O/S Control Module A2218704795
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Mercedes W212 CLS W218 W246 Sound Audio Amplifier Harman Becker A2189007605
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PCU Module BMW X3 G01 X4 G02 Power Voltage HBPO Control Module PCU Unit 5A45C32
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Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691 Key
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Mini One R50 W10 90HP Engine Control Unit ECU Kit DME 7545789 + EWS + Key Manual
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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 .