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. 7530357
BMW Mini Cooper S R52 R53 Auxiliary Wiring Harness Servo Pump 7530357
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Part no. 8516739-4
Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Manual
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Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035462
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Wiring Harness Mercedes Vito W639 Boot Tailgate License Plate Lamp A6394401613
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Mercedes W202 W210 Automatic Gearbox EGS Control Unit Module ECU A0275450132
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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BMW F11 Touring F23 Cabrio DAB Radio Antenna Amplifier Booster Unit 9199850
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Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701
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Part no. 4H0971224
Audi A8 D4 Battery Starter Alternator Harness Wiring Cable 4H0971224
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Part no. 8574091-6
BMW F10 F11 520d N47N 184HP Engine ECU Kit Unit DDE 8574091 CAS4 + Key Manual
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Mercedes ML W164 W211 W221 Engine Starter Motor A0061515601 0001109262
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Part no. 6860387
Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387
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Part no. 9342085
Mini F57 Cabrio Control Unit Module Bracket Holder Parking Assistant PDC 9342085
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Camera Module Mercedes C205 W247 GLC X253 W910 Control Unit A0009002740
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Part no. 3455528
Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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Part no. A2229008816
Mercedes W213 Parking Control Unit Camera View Module ECU Parktronic A0009006418
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Part no. 6912755
BMW X5 E46 E53 Side Air Module Control Unit ECU 6912755 6962530
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Part no. A2215400901
Parktronic Module Mercedes W221 Parking Aid Sensors Control Unit A2215400901
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Part no. A1769052400-1
Mercedes W176 Pressure Crash Impact Sensor Control Module A1769052400
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Part no. A0131540602
Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
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Part no. 8507202-1
BMW E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Manual
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Part no. 3C8937049D
VW Volkswagen Touran Body Control Comfort Unit Module BCM 3C8937049D
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Part no. 8506373-3
BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 8506373 Automatic
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Part no. A6401540402
Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Part no. 8511372-1
BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic
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Part no. 6927264
BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
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Part no. 6C1T-10300-CC-1
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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Part no. 7599881-15
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
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Part no. 3C0953549A
VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549A
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Part no. 1T0971557AJ
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ
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Part no. 8T2035666D
Audi A5 8T CD Player Radio Multimedia MMI Head Unit ECU 8T2035666D
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Part no. A2711540802
Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Part no. 4L0910553H
Audi Q7 4L Air Suspension Module Regulation Control Unit 4L0910553H
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Part no. FT1T14027LLC
Ford Transit Connect Rear Door Wiring Cable Harness Loom FT1T14027LLC
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Part no. A2721540102
Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
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Part no. 4G0907355F
Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F
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Part no. 7557809
BMW E87 E90 N45 116i 316i 1.6 Petrol Engine ECU DME 7557809 Manual Transmission
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Part no. 8795005
Mini F55 Body Control Unit Basic Module Body Domain Controller BDC LR01 8795005
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Part no. 04C903023L
Audi A1 8X 1.2 TFSI CBZA Petrol Engine Alternator Generator 04C903023L
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Part no. 6855990
BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990
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Part no. A0009068806
Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806
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Part no. A2469002603-1
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Part no. A2229063805
Fuse Box Mercedes GLC X253 Engine Compartment Relay Box Unit A2229063805
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Part no. 7515030-2
Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030
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Part no. A2139009216
Mercedes S205 Estate W213 W222 Towing Hitch Trailer Hook Module Unit A2139009216
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Part no. 9127086
BMW E39 E46 E53 E83 Control Unit EWS IV 9127086
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Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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Part no. A2479008715
Mercedes H243 Multifunction Front Camera Control Unit Module A2479008715
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Part no. A1779002107
Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107
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Part no. 9166708-1
BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 9123042-1
Steering Column Switch BMW E87 E81 E91 Cluster Cruise Control Stalk 9123042
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Part no. 7560955-2
BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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Part no. 9117532
BMW E60 E61 M-ASK M-Audio System Controller CD Player 9117532
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Part no. A1718203126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Part no. 9147184
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147184
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Part no. A0028207989-1
Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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Part no. CC1T-11000-AB-1
Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-AB
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Part no. 9229872
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9229872
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Part no. 46774430
Fiat Doblo Engine Alternator Generator 46774430
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Part no. 03G903143A
VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A
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Part no. 7788680-2
BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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Part no. 9284420
Central Gateway Module BMW F10 F11 F12 ECU Control Unit Lear ZGW-02 High 9284420
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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. 03G906021KH-1
Volkswagen Golf Mk5 1.9 TDI 105HP BXE Engine ECU Kit 03G906021KH Ignition + Key
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Part no. 4M0959107B
Audi A4 B9 Boot Tailgate Control Module Unit 4M0959107B
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Part no. A0009003313
Adblue Module Mercedes W205 W222 W253 Exhaust Gas Control Unit ECU A0009003313
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Part no. A0009068802-1
Mercedes Sprinter W906 Alternator Generator Diesel 180A 14V A0009068802
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Part no. A2035454701
Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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Part no. A1718206926
Mercedes SLK R171 Door Module Front Left Control Module A1718206926
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Part no. 1172243
Steering Wheel Horn Mini R50 R52 R53 Switch Left Right N/O/S 1172243
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Part no. 9304587
Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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Part no. 6906621-1
BMW E87 E90 E91 E92 E93 Fuse Box Power Distribution Front 6906621
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Part no. A2711500391-7
Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
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Part no. 9237047
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Part no. 9289247
BMW F01 F02 F10 F11 CD Radio Head Unit CIC 9289247
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Part no. 9197175
BMW 1 Series E81 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9197175
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Part no. 8573116
BMW 5 Series F10 F11 LCI B47 Cable Alternator Starter 8573116
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Part no. 9678048880
Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880
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Part no. 398174
BMW 3 5 X3 Series E60 E83 E90 Portable DVD System Docking Station Grey 0398174
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Part no. 9110890
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
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Part no. 9284284
BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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Part no. 04L903021G
Audi Q2 GA Diesel Engine Alternator Generator Assembly Bosch 04L903024T
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Part no. GK2T-14A069-AB
Ford Transit Custom Mk1 Fuel Tank Sender Wiring Harness Loom GK2T-14A069-AB
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Part no. 8518168-1
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8518168 CAS3 + Key Manual
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Part no. 6G9T-14B533-GL
Ford Galaxy Mk3 Door Module Front Left N/S Control Unit ECU 6G9T-14B533-GL
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Part no. 5Q0959655N
Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655N
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Part no. 8374798
BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Part no. 8X0035223D
Audi Q3 8U Amplifier BOSE Premium Audio Sound System Module 8X0035223D
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Part no. 9352864
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9352864
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Part no. 3456905
Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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Part no. 8P4963553A
Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553A
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Part no. 06H903017T-1
Audi A5 8T A4 B8 2.0 TFSI Engine Alternator Generator 06H903017T
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Part no. A2139004625
Mercedes W213 C238 C253 C257 Air Module Control ECU Sensor A2139004625
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Part no. A6461507272-1
Mercedes W639 109CDI 646.980 Engine ECU Kit Ignition + Key + Lock A6461507272
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Part no. A1645408662
Mercedes ML W164 Transfer Case Box Module Control Unit ECU A1645408662
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Part no. 6989112-SCH
BMW E60 E61 E83 Front PDC Parking Sensor Schwarz 2 Black 668
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Part no. 3450824
Mini Cooper One R56 High SPEG Fuse Distribution Box H1 3450824
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Part no. 6935920
BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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Part no. 9651197480
Peugeot 307 Body Control Comfort Unit Module BSI Fuse Box 9651197480
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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 .