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. 7786861
BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861
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Positive Battery Lead BMW E90 E91 E92 E93 Battery Wiring Harness Cable 6938504
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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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BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F
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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 Q7 4L Front Camera FAS Lane Assistance Control Unit 4E0910217D
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Audi A3 8P 1.6 TDI 105HP CAYC Diesel Engine Control Unit ECU Module 03L906023PP
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Part no. 9239915
MINI Clubman R55 LCI Instruments Cover Trim Panel Dashboard Dash 9239915
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Part no. 7583225-10
BMW E87 LCI E90 E91 120i 320i N43 170HP ECU Kit DME 7583225 CAS3 + Key Automatic
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Part no. 8V0035864
A3 8V Multimedia CD Player Head Unit Audio Player 8V0035864
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Part no. 240804802R
Earth Ground Cable Renault Master Vivaro Line Strap Battery Lead 240804802R
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Part no. 5A20558
BMW X2 F39 F45 F46 Automatic Gearbox ECU Control Module EGS Unit 5A20558
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Mercedes Vito W639 651.940 116 CDI 163HP Engine Module ECU A6511501879 Manual
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Part no. 6962425
Display Screen BMW E60 E61 Dash On Board Sat Navigation Monitor 8,8" 6962425
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Mercedes Vito W639 111CDI 116HP 646.980 Engine Unit ECU Kit A6461500878 Key Lock
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Part no. 8486844-2
Mini One F56 B38 102HP Engine ECU Unit Kit DME 8486844 BDC Lock Key Manual
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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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Part no. 7493230
Led Headlights Module BMW F83 M4 LCI Daytime Driving Lights Right O/S 7493230
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Part no. 03G903016EX
Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX
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Part no. 7561834-1
BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME 7561834 CAS2 Key Manual
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Part no. A1669005404
Mercedes W166 W246 Door Module Front Right O/S Control Unit ECU A1669005404
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Part no. BK3D18D815BE-1
Ford Transit MK8 Radio Stereo Audio USB Head Unit Panel BK3D-18D815-BE
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Part no. 3455536
Fuse Box Mini R56 LCI High SPEG S5 Electrical Fuse Distribution Box 3455536
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Part no. 03L906023ML
VW Volkswagen Golf Mk6 1.6 TDI 105 HP Diesel CAYC Engine ECU 03L906023ML Manual
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Part no. 6870277
Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6870277
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Part no. 7L0907401F
Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control ECU 7L0907401F Automatic
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Part no. A2469003108
Radio Head Unit Mercedes W176 W246 COMAND Navi Player Control Unit A2469003108
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Part no. 7561684-6
BMW E60 E90 325i 525i N52 218HP Engine ECU Control Unit DME 7561684 Manual
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Part no. 8645326
BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Generator Unit 14V 190A 8645326
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Part no. rhd-A2125400324
Fuse Box Mercedes W212 Relay Electrical Storage Module Support A2125400324
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Part no. 7792544-1
Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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Part no. 03L906012Q-1
VW Volkswagen Crafter 35 2.0 TDI CKTB Engine Unit ECU Kit Key Lock 03L906012Q
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Part no. 6960219
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219
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Part no. 3451924
BMW Mini Cooper R56 High SPEG PL3 DC/DC M2 Fuse Distribution Box 3451924
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Part no. 9824983
BMW F20 F30 F87 M2 LCI Radio CD Player Navigation High Head Unit 9824983
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Part no. A1668203426
Mercedes W166 C292 Front Seat Adjuster Module Unit Left Right N/O/S A1668203426
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Part no. 6913092
BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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Part no. A6429007301-1
Mercedes W218 CLS350CDI BlueTec OM642.852 Diesel 252HP ECU A6429007301 Automatic
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Part no. 3D0907539A
VW Volkswagen Phaeton 3D Dashboard Light Sun Solar Sensor Unit 3D0907539A
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Part no. 2457701
BMW Mini F55 F56 R56 R57 R60 Advanced Car Eye 2.0 Full HD Rear View Camera
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Part no. 8589145-4
BMW X1 F48 2.0dX B47 190HP Engine Control Unit ECU Kit DDE 8589145 Key Automatic
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Audi A4 B7 Amplifier Bracket Aerial Antenna Module Mount Holder 8P0035535
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Part no. 89871-20050
Toyota Corolla E12 Diesel Driver Injector Control Module ECU Denso 89871-20050
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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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Part no. 8570845
Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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Part no. 6941956
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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Part no. 03G971826A
VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A
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Part no. A0195453132
Mercedes SLK R170 W202 W208 ESP Control Unit ABS ASR Module ECU A0195453132
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Part no. 7394649
BMW F01 F02 F03 F10 LCI X3 F25 Control Unit Rear Function Module 7327886
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Toyota RAV4 2.0d 1CD-FTV Diesel Engine Control ECU Manual Gearbox 89661-42A10
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Part no. A2115457332
Mercedes W211 PDC Parking Sensor Module Control Unit A2115457332
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Part no. A6393280030
Mercedes Vito W639 Valve Block Air Suspension Control Unit Module A6393280030
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Part no. A9069006303-1
Mercedes W906 Fuse Box SAM Module Control Unit ZGS Temic A9069006303
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Part no. 8645445-1
BMW F80 M3 F82 M4 S55 431 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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Part no. 5A2A040
Pedestrian Protection Mini F55 F56 F57 Tube Impact Crash Sensor Module 5A2A040
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Part no. A2139002207
Air Suspension Module Mercedes W213 C238 Regulation Control Unit ECU A2139002207
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Part no. A0009820012
Mercedes W176 W212 W246 Voltage Converter Power Distributor Inverter
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Part no. 8589141-1
BMW F10 F11 LCI 518d B47 150HP Engine ECU Kit DDE 8589141 CAS4 + Key Automatic
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Part no. 8510832-2
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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Part no. 4L0910401M
Audi Q7 4L 3.0TDI BUG 233HP Quattro Engine Control Unit ECU 4L0910401M Automatic
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Part no. 06M907309D
Audi A4 S4 B9 3.0 TFSI 355HP CWGD Quattro Engine Control Unit ECU 06M907309D
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Part no. 8V0857273F
Audi A3 8V Display Screen Sat Nav Navigation Dashboard 8V0857273F
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Part no. 6879829
BMW F06 F07 F10 F11 F12 Air Module Control Unit SRS ECU 6879829
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Part no. 7381018
BMW F07N F10 F10N F11N Headlight Control Unit Module LED 7381018
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Part no. 6805061
BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
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Part no. A6429002900-8
Mercedes W204 C350 CDI OM642.830 231 HP Engine Control ECU A6429002900 Automatic
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Part no. 8576341-8
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Unit ECU DDE 8576341 Automatic
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Part no. A9064461542
Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
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Part no. 6968835
BMW 1 Series E87 Footwell Control Module Body H2 61356968835 6968835
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Part no. 9252333
BMW F11 ECU Body Control Module Junction Box 9252333
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Part no. A0028208126
Mercedes W220 Air Module System Control Unit Module ECU SRS A0028208126
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Part no. A2038200389
Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
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Part no. 059903143K
Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K
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Part no. 7811111-2
BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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Part no. 6910678
BMW E39 Z3 E36 Impact Sensor Side Air Module Control 6910678
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Part no. 8574100-2
BMW F07 GT 530d N57N 258HP Engine Control ECU Kit DDE 8574100 CAS4 Key Automatic
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BMW E82 Footwell Light Module LOW PL2 FRM II 61359197176 9197176
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Part no. 9336380
BMW F10 F11 Rear Bumper PDC Wiring Loom Cable Harness F01 F12 9336380
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Part no. 7550997-2
Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Part no. 7639049-3
Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME 7639049 CAS 3 Key
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Part no. A6394401832
Mercedes W639 Fuse Box Control Unit Module A6394401832
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Part no. A2229002109
Mercedes W205 W222 Door Module Control Unit Rear Right O/S A2229002109
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Part no. A6395400182-1
Mercedes Vito W639 Cover Fuse Box Case Trim Panel Lid A6395400182
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Part no. 13150706
Opel Corsa D Head Air Module Roof Side Curtain 13150706
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Part no. 9240077
BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9240077
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Part no. 8638198-6
BMW F20 F30 120i N13 177HP Engine ECU Kit DME 8625241 FEM Keys Lock Automatic
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Part no. A0055422718
Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718
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Part no. rhd-A2075400632
Mercedes C207 Head Unit Navigation Display Media Cable A2075400632
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Part no. A0009055701
Distance Radar Module Mercedes W204 C218 Front Distronic Unit A0009055701
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Part no. A0185459132
Mercedes W140 ABS Control Unit ASR + PML Module ECU A0185459132
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Part no. 0986021230
BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230
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Part no. 9166376
BMW X3 E83 Z4 E85 CID Control Unit CD Player Radio Audio System 9166376
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Part no. 8379627
BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627
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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 .