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. 6920279-7
Aerial Roof Antenna Base Mini Cooper R50 R53 6920279
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Part no. 06E903016S
Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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Part no. 3453737-1
Fuse Box Mini Cooper One R56 High SPEG M3 Relay Box Distribution Box 3453737
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Part no. 8579479
BMW F20 F21 F30 F31 118d 318d N47N Engine Control Unit ECU DDE 8579479 Automatic
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Part no. Varta Rac 100Ah Accumulator
VARTA RAC Accumulator Battery 100Ah 830A 12V RAC005
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Part no. F20 F30 PLUG SOCKET LOOM PDC
PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness
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Part no. 9110882-1
BMW E82 E88 E90 LCi Switch Cluster Cruise Control Stalk Unit 9110882
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Part no. 7572873
BMW Z4 E85 E86 Battery Holder Hold Down Bracket 7572873
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Part no. A1569002901
Mercedes W204 C63 AMG 457HP M156.985 Engine Unit ECU Kit A1569002901 Key Lock
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Part no. A0131546802
Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Part no. rhd-7570534
BMW 1 3 Series E81 E90 120i 320i N43 Engine Wiring Loom Harness 7570534 7570540
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Part no. 9451483
Tailgate Module BMW F31 LCI F45 X2 F39 Mini F60 Control Boot Trunk 9451483
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Part no. A2134400200
Mercedes GLC 300e X253 Electric Drive Ground Earth Line Wire A2134400200
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Part no. 1362688080
Battery Cable Citroen Relay Peugeot Boxer Positive Wiring Harness 1362688080
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Part no. RHD-5H2971391BD
VW Golf Mk8 Seat Frame Wiring Front Left N/S Cable Loom Harness 5H2971391BD
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Part no. 9241826-1
BMW F10 F11 On Board Screen Central Information Display Monitor 10,25" 9241826
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Part no. 9247474
BMW 1 Series E88 ECU Body Control Module H3 Junction Box PL2RR 9247474
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Part no. 5WA035741B
Volkswagen Golf CD1 Antenna Amplifier Transmitter Receiver Module ECU 5WA035741B
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Part no. T1000-13348
BMW Disc Business Navigation DVD Road Map Europe T1000-13348
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Part no. A9068200886-2
Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068200886
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Part no. A9068201486
Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068201486
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Part no. A4475404326-1
Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Part no. A2105400072
Fuse Box Mercedes W210 R170 Multifunctional Relay Fuse Unit Module A2105400072
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Part no. A1636801080
Mercedes ML W163 Cover Footwell Fuse Box Trim Right A1636801080
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Part no. 7579142-11
BMW E87 E90 118i 318i N43 143HP Engine Control Unit ECU DME 7579142 Automatic
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Part no. 8C1T14A073BB
Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-BB
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Part no. A2469007307
Mercedes W176 R231 PDC Parking Control Module Parktronic System N62 A2469007307
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Part no. 8577764
BMW F10 F11 520d Diesel N47N 184HP ECU Kit DDE 8577764 + Key + CAS4 Manual
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Part no. 6929562
BMW 7 Series E65 E66 Sensor B-Pillar Airbag Right O/S 6929562
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Part no. 8Y0947355F
Audi A3 S3 RS3 8Y LED Light Module Unit Control 8Y0947355F
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Part no. 9813622-2
Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
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Part no. 038903143AF
Audi VW Golf MK5 Seat Skoda 1.9 TDI Alternator Mount Support Bracket 038903143AF
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Part no. RHD-8E2819422
Audi A4 B7 3.0 TDI BKN HV Battery Upper Cover Trim Panel 8E2819422
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Part no. 7599881-16
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine ECU DME Kit 7599881 CAS3 + Key
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Part no. A2087600104
Mercedes-Benz CLK W208 Front Left Right Door Interior Handle Bowden Pull Cable
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Part no. 5A02F94
PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94
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Part no. 059911024J-1
Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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Part no. 8740343-3
BMW F20 F30 F32 LCI 120i 320i 420i B48 184HP Engine Control Unit ECU DME 8740343
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Part no. 8598806-2
BMW X3 F25 20dX Diesel B47 190HP Engine Module ECU Kit DDE 8598806 Key CAS4
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Part no. 9153272-1
BMW 5 Series E61 Light Control Module Unit LM2 LMII E6X LWR Lear 9153272
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Part no. A0009009209
Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209
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Part no. A9067601304
Mercedes-Benz Sprinter W906 Front Right Door O/S Handle Bowden Pull Cable
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Part no. A6461500091-2
Mercedes W203 C220 CDI 646.963 150HP Engine ECU Kit A6461500091 + Key + Lock
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Part no. 9154053
GPS Navigation Unit BMW E46 X5 E53 X3 E83 DVD System Computer Player 9154053
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Part no. 7810001-1
BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Part no. 8517016-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU Kit DDE 7810980 CAS3 + Key Automatic
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Part no. 6840399-1
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation GPS 6840399
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Part no. 9224595
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
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Part no. 9177118
CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9177118
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Part no. A2661531491-2
ECU Kit Mercedes W169 A180 M266.920 Petrol 95HP Key Ignition Lock Automatic
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Part no. A2229000821
Mercedes C238 Headlight Ballast Control Unit Module A2229000821
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Part no. 9813622-1
Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
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Part no. 6911024
BMW Z4 E85 E86 Battery Mounting Bracket Part Holder 6911024
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Part no. 9131766
Seat Wiring Cable BMW E81 E82 E90 E92 Front Right O/S Seat Loom Harness 9131760
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Part no. 7513983-2
Mini Cooper R50 Engine W10 116HP Engine ECU Kit DME 7513983 EWS Key Automatic
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Part no. 9131734
Seat Wiring BMW E81 E82 E88 E92 Front Left Memory Loom Harness Cable 9131734
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Part no. 5G0971095E
VW Volkswagen Golf Mk7 Wiring Loom PDC Front Harness Parking Sensor 5G0971095E
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Part no. 9157158
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158
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Part no. 7579142-19
BMW E87 LCI E90 118i 318i N43 143HP ECU Kit DME 7579142 CAS3 Keys Manual
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Part no. 9458738
BMW X2 F39 Camera Kafas Windscreen Front Parking Camera Module Unit 9458738
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Part no. 9237047-1
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Part no. 6943437-2
BMW X3 E83 Z4 E85 E86 Radio Business CD Player Audio Head Unit 6943437
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Part no. 1617246180
Battery Terminal Citroen Relay Peugeot Boxer Positive Fuse Box A878
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Part no. 6965147
Air Module BMW Z4 E85 Control Unit ECU SRS 6965147
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Part no. 9175653
BMW 1 Series E81 Xenon Footwell Light Control Module LCM PL2 FRM II 9175653
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Part no. A0009063822-1
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. 02T911023R
VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
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Part no. RHD-6J4971121L
Seat Ibiza 6J Front Right O/S Driver Door Wiring Cable Harness 6J4971121L
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Part no. A0185458332
Mercedes C140 Body Control Comfort Unit Module BCM Unit ECU A0185458332
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Part no. 7176068-1
BMW E46 E63 X3 E83 MINI R50 R53 Control Unit Xenon Light 1307329082
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Part no. 0AM911024A
Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A
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Part no. A2518209589
Mercedes W164 Sound Audio Amplifier Harman Becker Control Unit A2518209589
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Part no. 23710BR40A
Nissan Quashqai J10 M9R 2.0 DCI Diesel Engine Control Unit ECU Manual 23710BR40A
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Part no. 4H0907064CN
Audi A6 C7 BCM Body Comfort Convenience Module Unit ECU 4H0907064CN
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Part no. 7809944-6
BMW X5 E70 3.0d M57N2 235HP Engine ECU KIT DDE 7809944 CAS3 + Key Automatic
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Part no. A1649005201
Mercedes V251 SAM Unit Rear Control Module A1649005201
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Part no. 8509036-5
BMW E60 E63 LCI E90 335d 535d 635d M57N2 286HP Engine ECU DDE 8509036 CAS3 Key
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Part no. 8X0035183
Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183
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Part no. A2129009004-1
Radio Head Unit Mercedes C207 W207 COMAND Navi CD Player Navigation A2129009004
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Part no. 1389975080
Fuse Box Citroen Relay 3 Peugeot Fiat Ducato BCM Relay Box Module1389975080
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Part no. 9283434
BMW Z4 E89 Radio CD Player Navigation CIC Head Unit Computer DAB 9283434
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Part no. 8W5907468F
Audi Q5 FY Gateway Control Module Unit ECU 8W5907468F
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Part no. 8K0907801E
Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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Part no. 5066883AB
Chrysler Grand Voyager 2.8 CRD ENR Engine Water Inlet Hose Tube Line 5066883AB
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Part no. A0009006516
Bluetooth Module Mercedes S205 W205 W177 Active Parking Assist Control Rear
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Part no. 8617551
BMW F20 F22 F30 F31 Petrol N20 ECU DME Engine Control Unit 8617551 Automatic
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Part no. A2469001313
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469001313
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Part no. 9225781
BMW Z4 E89 Driver's Side Door Wiring Harness Loom Module Carrier 9225781
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Part no. 9221825
BMW E70 E71 Car Infotainment Multimedia Computer Head Unit 9221825
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Part no. 9196933
BMW E70 E71 Seat Control Unit Module ECU 9196933
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Part no. 9112837
BMW E83 TV Video Module Unit High 9112837
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Part no. 7268672
BMW F12 Front Lamp Headlight Main Control Module Unit ECU 7268672
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Part no. 4M0959793E
Audi A5 F5 Door Module Front Left N/S Control Unit Module ECU 4M0959793E
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Part no. 1398647080
Citroen Relay III Engine Bay Fuse Box Power Distribution 1398647080
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Part no. 9185139
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139
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Part no. 8635627-2
Mini Cooper S F55 F56 B48 192HP Petrol Engine ECU Kit DME 8635627 + BDC + Key
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Part no. HALFORDS-62AH-2
Halfords 12V Calcium Accumulator Battery Electrical Unit 62Ah 550A HCB027
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Part no. 9462158
PDC Module BMW G30 G31 Parking Assistant Control Unit USS VA03 HIGH 9418460
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Part no. 4G0035061G
Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061G
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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 .