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. 9159813
BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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Mercedes W212 Fuse Box Front Relay Control Unit Module SAM A2129009025
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Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509
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BMW G30 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
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Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Alternator Mercedes W166 W213 C292 OM651 Generator 14V 250A A0009060903
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Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
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Volkswagen VW Golf Mk6 5K Air Module Control Unit ECU 5K0959655
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Part no. A6461502634
Mercedes Vito W639 Diesel OM646.980 Engine Control Unit Module ECU A6461502634
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PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129
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BMW E61 E61N LCI Antenna Amplifier Diversity 868 MHZ 9183564 6985531 6934478
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM II Lear 9197162
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Part no. 9269956
BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948
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Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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Part no. A2749000900
Mercedes R172 SLK500 M274 Engine Control Unit Module ECU A2749000900
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Part no. 6927931
BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931
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Part no. 7811702-3
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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Part no. A0355451532
Mercedes W211 Gearbox Module Transmission Control Unit A0355451532
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Part no. 8X0919475M
Audi Q3 8U PDC Parking Assistance Control Module Unit ECU 8X0919475M
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Part no. 95B907637E
Porsche Macan 95B Acceleration ESP Yaw Sensor Module Control Unit 95B907637E
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Part no. 8638785-1
Mini Cooper F56 136HP Petrol B38 Engine ECU Kit DME 8638785 + BDC + Key
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Audi S8 D3 Multimedia Display MMI Mechanism Carbon Fiber Look 4E0919603K
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Audi A4 B9 2.0 TDI DETA Quattro Engine Control Unit ECU 04L907309L Automatic
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Part no. 117109477R
Renault Traifc Vauxhall Vivaro Alternator Bracket Mount Holder 117109477R
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BMW F20 F30 Sport Seat Front Heating Mat Element F21 F31 F32 7243562
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Part no. 2354701
BMW E60 E65 E70 E81 E87 E90 F10 Engine Starter Motor 2354701
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Part no. A6461541102-2
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Part no. A2135451540
Camera Module Bracket Mercedes W213 S213 Rear Housing Left N/S A2135451540
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Part no. 8587952
BMW F20 F21 F30 LCI 120d 320d B47 Diesel ECU Engine Unit DDE 8587952 Automatic
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Part no. 3456952-3
Mini Cooper R58 Footwell Light Module Unit High EKS PL3 FRM3R Lear 3456952
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Part no. 7533651-3
BMW 5 Series E60 520i M54 170HP ECU Kit DME 7533651 + CAS2 + Key Automatic
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Part no. 6957528
BMW 5 6 E60 E63 LCI Body Control Module ECU Control Unit KBM Basis 6957528
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Part no. 6964602
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
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Part no. 5WA035284F
VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
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Part no. 5K0837202AD
Volkswagen VW Caddy Radio Remote Control Alarm Key Fob Control Unit Module
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Part no. 7823422-1
BMW 1 3 Series E81 E87 E90 LCI 118d 318d N47 Diesel ECU Kit DDE CAS3 Key 7823422
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Part no. 7573701-5
Mini Cooper One R55 R56 N12 120HP DME 7573701 Engine Control Unit ECU Automatic
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Part no. 059903015R
Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
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Part no. 03E971612AC
VW Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 CGPA Petrol 03F971612
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Part no. A1725420023-1
Parking Sensor Display Mercedes W176 W204 W246 Dashboard Panel PDC A1725420023
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Part no. 8U0971687B
Audi Q3 8U Rear Door Loom Wiring Harness Cable Left Right N/O/S 8U0971687B
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Part no. 8506951-1
BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Part no. 7PP941572AB
Audi A4 B9 Volkswagen Tiguan 1T Headlight Ballast Control Module 7PP941572AB
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Part no. 9186477
BMW F07 F12 F13 LCI Camera System Unit Module Bracket Holder Mount 9186477
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Part no. A0009015810
Gearbox Control Mercedes W177 W247 Transmission Unit Module ECU A0009015810
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Part no. 9891698
PDC Module BMW G30 G31 G11 X3 G01 Parking Assistant Control Unit 9891698
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Part no. 7543083-3
Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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Part no. 8519663-19
Mini Cooper D R55 R56 R60 N47N 112HP Diesel Engine ECU DDE 8519663 Automatic
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Part no. 8J7959255B
Audi TT 8J Coupe Roadster Convertible Roof Control Module ECU 8J7959255B
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Part no. 7573863
BMW E60 E90 E92 335i 535i N54 306HP Petrol Engine Control Unit ECU DME 7573863
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Part no. A1679000111
Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000111
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Part no. 9145162
BMW E93 Hifi System Amplifier Sound System Amp 9145162
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Part no. 7806976
BMW E60 LCI E90 330d 530d M57N2 235HP Engine Control ECU DDE 7806976 Automatic
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Part no. 5Q4959593E
Seat Leon Mk3 Door Module Control Unit Front Driver's Side Door 5Q4959593E
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Part no. A6461532691-1
Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691
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Part no. 9209183
Sound Speaker BMW X3 F20 F21 F25 Mid Range Stereo HiFi 9209183
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Part no. 6989245-WB
BMW 5 X3 Series E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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Part no. 9305739
BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
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Part no. 93970000052
Trafficmaster Control Module Mini R50 R53 GPS Control Unit ECU 93970000052
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Part no. A1638201589
CD Changer Mercedes ML W163 6 Disc Changer With Magazine A1638201589
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Part no. 6936649-3
BMW 1 3 X1 SERIES 3 E81 E82 E84 E87 E88 E90 E91 E92 Power distribution box
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Part no. 7PP941572AC
Audi A5 F5 Xenon Headlight Resistor Ballast Relay Module Unit 7PP941572AC
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Part no. 6Q0937517
VW Polo 9N Battery Terminal Fuse Distribution Cable Cover Power Board 6Q0937517
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Part no. A1715451001
Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451001
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Part no. 7796818
BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox
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Part no. 9147139
BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 9125251
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Part no. 7938196
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 7938196
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Part no. 7N0907530AN
Volkswagen Passat B7 Central Gateway Control Unit Module Relay ECU 7N0907530AN
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Part no. A2115407545
Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
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Part no. 6967641-2
BMW 1 3 Series 2 E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6967641
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Part no. 95B907530P
Porsche Macan 95B Body Gateway Module ECU Control Unit 95B907530L
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Part no. 03G903016A
Audi A6 C6 2.0 TDI Alternator Generator 180A 14V 03G903016A
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Part no. 1025-04-01
BMW F20 F21 LCI F23 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Part no. 4G0035061J
Audi A7 4G A4 B8 A6 C7 Q5 8R Sat Navi Stereo Radio Audio Unit Player 4G0035061J
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Part no. 059971341E
Audi Q7 4L 3.0 TDI V6 Diesel Engine Cable Wiring Duct Channel Cover 059971341E
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Part no. 8W0907063CH
Audi A4 B9 Q5 FY Body Control Comfort Unit Module BCM Unit ECU 8W0907063CH
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Part no. 9361150
Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9361150
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Part no. 9346795
Amplifier BMW F06 F13 Antenna Amplifier Diversity 868 MHZ 9346795
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Part no. A2098200789
Mercedes CLK A209 Convertible Antenna Amplifier Module A2098200789
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Part no. A2198200726
Door Module Mercedes C219 Front Right Door O/S Control Unit Module A2198200726
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Part no. 7798000-1
BMW E60 E87 LCI E90 E91 N47 Preheating Control Glow Plug Unit Diesel Hitachi
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Part no. 9176886
BMW 3 Series E91 ECU Body Control Module H4 Electronic Box 61359176886 9176886
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Part no. A2229002710
Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
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Part no. A1699002400
Mercedes W169 CD Navi Media Player Radio COMAND Head Unit A1699002400
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Part no. 231001423R
Renault Trafic Vauxhall Vivaro 2.0 DCI Diesel Alternator Generator 231001423R
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Part no. 6988104
Anti Theft Module BMW X3 X5 E39 E46 E53 E83 Control Unit EWS IV 6988104
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Part no. 8X0907063K
Audi A1 8X Body Control Module Unit ECU 8X0907063K
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Part no. 7809002
BMW E81 E82 E87 LCI E88 Engine N47S 123d ECU Kit DDE 7809002 CAS3 + Key Manual
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Part no. 1K0971349AQ
Volkswagen VW Golf Mk6 Alternator Cable Wiring Harness Loom 1K0971349AQ
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Part no. 02M911024
Starter Motor Volkswagen VW Golf VI Passat B6 Tiguan Diesel Engine 02M911024
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Part no. 504086888
Iveco Daily MK3 Starter Motor Engine Diesel Bosch 504086888
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Part no. 8378107
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8378107
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Part no. 7513338
Mini Cooper R50 R52 Automatic Gearbox Transmission Signal Control Module 7513338
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Part no. 9302931
BMW F01 F02 LCI Cable Loom Door Driver's Side Wiring Harness 9262859
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Part no. 6939712
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6939712
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Part no. 8W8959107D
Audi A5 F5 Rear Hatch Tailgate Boot Lid Control Module Unit ECU 8W8959107D
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Part no. 7559178
BMW E60 E63 E65 E85 E87 E90 E91 N52 Engine ECU DME 7559178 Automatic Gearbox
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Part no. 7620625
Wiring Mini R55 R57 LCI R58 R60 Petrol N18 Injection Ignition Harness 7620625
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Part no. 9272367
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367
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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 .