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. 5Q0937084DB
VW Golf MK7 Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DB
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BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8518568 + Key + FEM
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Citroen C4 1.6 HDI Diesel Engine Control Unit ECU Module EDC 9665674480
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Wiring Harness Mercedes W212 Dashboard Dash Wiring Cable A2124400613
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Ford Transit Custom Mk1 Engine Starter Motor 2.0 EcoBlue GK2T-11000-AB
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Seat Altea 5P1 Interior Ultrasound Alarm Sensor Module Unit 5P0951171C
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Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
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GM Vauxhall Opel Relay 4-Pin Glow Plug Unit Black Tyco 90464760
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BMW E81 E87 E90 LCI Professional Navigation System Car Computer CIC 9198826
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BMW X3 F25 Front Seat Control Unit Module ECU Left Right N/O/S 9369123
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Mercedes-Benz M-Class ML W163 Pressure Regulation Valve Fuel A6110780149
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BMW Z4 E86 Coupe 3.0si N52 265HP Engine Control Unit ECU DDE 7571510 Automatic
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BMW 3 Series E36 Cable Harness Door Rear Right O/S Wiring Loom 8379056
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Land Rover Freelander 2 Air Module Control Unit ECU 6H52-14B321-AE
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BMW E60 LCI Radio Player M-ASK M-Audio System Controller Head Unit 9195756
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Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Mercedes W176 W246 C117 Starter Motor Herth+Buss Diesel Engine OM651 42024550
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BMW 3 5 X5 Series E39 E46 E53 Control Unit Voice Input System Module 6905969
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Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7542725
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Audi TT FY 8S LED Module Light Unit Wiring Harness 8S0947355
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BMW F20 118d F30 318d 143HP N47N Engine ECU Kit DDE 8576341 + Key + FEM Manual
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Audi A5 8T Headlight Headlamp Module Control Unit 8K0907357
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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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Mercedes W166 Automatic Gearbox Wiring Loom Harness Cable A1665402709
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Mercedes-Benz M ML W163 Ground Earth Strap Cable Wiring A1635401041
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Ford Transit MK7 2.2 TDCi Diesel Glow Plug Wiring Loom Cable BK2Q6M091AE
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Mercedes Vito W447 Transmission Gearbox Control Unit Module ECU A4479002707
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Part no. 7794650-3
BMW E60 E61 530d Diesel M57N 218HP Engine Control Unit ECU DDE 7794650 Automatic
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BMW E87 130i N52 265HP Engine ECU Kit DME 7567178 + CAS3 + 2 Keys Manual
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BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
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Ford Transit Connect Mk1 Starter Motor Engine Actuator 1.8 Diesel 2T14-11000-BC
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PDC Module BMW F20 F21 F22 F23 Parktronic Parking Assist Control Module 6886210
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Smart Fortwo C453 Aerial Antenna Rod Radio GPS Antenna Unit A4539052600
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Audi A4 B7 2.0 TDI Battery Cable Wiring Harness 8EO971824E
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Renault Trafic 3 Vauxhall Vivaro B Airbag Module Air Bag Unit ECU 985106142R
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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BMW E70 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Mini R55 R56 Alternator Supporting Bracket Mount Generator Diesel W16 7799146
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Mercedes W470 Door Wiring Cable Harness Loom 240165XF0B
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BMW F70 F74 U06 U10 U11 Air Module Control Unit ECU 5B5A0E9
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BMW E90 E91 E92 N52 N52N Engine Starter Motor Valeo 7616500
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BMW E31 E32 E34 E34 E39 Petrol Engine Starter Motor 1729982
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Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975
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Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045
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Mercedes GLE W166 C292 Front Seat Occupancy Sensor Wire Harness A1668200400
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Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
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Engine Wiring Harness Mercedes R171 W203 C209 M271 Loom Cable A2711502933
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Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
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BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 + CAS3 + Key Manual
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BMW E36 Relay Yellow 5 Pin 1389105
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603
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Engine Wiring Mercedes W176 W246 W242 M270 Loom Harness Cable A2701501433
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Citroen Relay 35L III Positive Battery Wiring Loom Harness Diesel 1388277080
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Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
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Mini F55 F56 F57 Integrated Supply Module Z11 Control Unit Module 7936365
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VW Touareg 7P Antenna Amplifier Signal Booster Module Rear Left N/S 7P6035552M
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Ford Transit Starter Motor Engine 2033125
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Renault Trafic Scenic 1.9 DCI Diesel Starter Motor Valeo 8200628419
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Porsche Cayenne 9PA Rear Door Treble Speaker Audio Unit Right O/S 7E0035411B
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Volkswagen Golf 5 GTI 1K 2.0 TFSI 200HP Engine Ecu Kit 1K0907115F Key Ignition
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Part no. 8518569-3
BMW F20 F21 F30 F31 118d 318d N47N ECU Kit DDE 8518569 Keys + FEM Manual
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Part no. 022911023F
Volkswagen VW Golf V TDI Diesel Engine Starter Motor 022911023F
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Part no. 079911021G
Audi RS4 B8 Starter Motor Petrol Engine Electrical Unit Actuator 079911021G
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Audi A5 8T Starter Motor 3.0 TDI CCWA Diesel 059911021D
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BMW F20 F23 F11 N55 Engine Wiring Harness Motor Adapter Sensor System 2 7592529
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Mercedes S204 Fuse Box Terminal Connection Unit A2045450369
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BMW E36 E38 Relay Two Pole Make Contact 8353447
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Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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Central Gateway Module BMW F10 F11 ECU Control Unit Lear ZGW-02 Mid 9243211
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BMW X3 Series E83 Centre Console DSC PDC Switch Unit Panel 3413156
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BMW 5 7 Series 1 E60 E61 E65 E66 Front Driver Seat Angle Adjustment Drive 70759
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Part no. 8580390-1
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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BMW X5 E53 3.0i Petrol M54 231HP Engine ECU Kit DME 7519308 EWS3 Key Automatic
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Mercedes W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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Mercedes ML W164 Lumbar Module Front Seat Control Unit A0009105202
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Audi A5 8T Parktronic Parking Sensor Module Unit ECU 8K0919475
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Volkswagen Crafter 30-35 2E Amarok 2.0 TDI Engine Starter Motor 2H0911023F
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Mercedes W221 Voice Control Module Language System English A2218709185
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VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549J
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Ford Galaxy Mk3 Door Module Front Right O/S Control Unit ECU 6G9T-14B533-BL
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BMW F30 F32 LCI 335dX 435dX N57Z Engine Wiring Cable Loom Harness 8574019
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CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903
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Fuse Box BMW F20 F21 F25 F30 F31 Relay Electrical Storage 8509909
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BMW E60 E61 E65 E66 Seat Control Module Ecu Sensor 6927275
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BMW E65 E66 Centre Console Front Armrest Tray Cables Wiring Set 6921309
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BMW E82 E90 135i 335i N54 Engine Gearbox Wiring Loom Harness Cables 7566525
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Land Rover Freelander 2 Radio CD Player Stereo Audio Head Unit 6H5218845AC
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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Peugeot 307 Display Screen Dashboard Multifunction Monitor Unit 9649090377
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VW Volkswagen Golf Mk5 Jetta Mk5 Air Module Control Unit ECU 1K0909605E
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Audi A4 A5 Q7 Rear Bumper PDC Parking Sensor Ibis White - Y9C 420919275
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Mercedes W221 Front Door Control Left N/S Module Unit ECU A2218709586
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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 .