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. A1779002107
Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107
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BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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BMW E60 E61 M-ASK M-Audio System Controller CD Player 9117532
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147184
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Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-AB
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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. 8K0971228H
Audi A4 B8 3.0 TDI Starter Alternator Wiring Loom Cable Harness 8K0971228H
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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. 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. 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. 6799677
BMW F11 Touring Rear Axle Air Suspension Control Unit ECU Module 6799677
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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. 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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Part no. 7607685
Mini One R56 LCI R60 N16 98HP Petrol Engine ECU DME 7607685 Control Unit Manual
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Part no. 6955253
BMW X3 X5 E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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Part no. 4104215
BMW X5 Series E53 PDC Parking Control Module Unit PDC 4104215
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Part no. 8512291-2
BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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Part no. 7565300-8
BMW E87 E90 E91 118i 318i N46 129HP Engine ECU Kit DME 7565300 Manual Key CAS 3
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Part no. 8680374
BMW F45 Alternator Generator 8680374
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Part no. A2044400638
Mercedes C204 Wiring Cable Harness Front Passenger Door Wiring Loom A2044400638
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Part no. A9015400631
Earth Ground Cable Mercedes Sprinter W901 Battery Wiring Loom Engine A9015400631
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Part no. 51871154
Fiat Doblo Positive Battery Cable Lead Wire Electrical Cable 51871154
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Part no. 6G9N-11000-FA
Starter Motor Ford Galaxy Mondeo S-Max TDCi Diesel Engine Starter 6G9N-11000-FA
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Part no. 7587548-3
Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7587548 Manual
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Part no. 2K0971557AG
Volkswagen VW Caddy Door Harness Loom Cable Wiring Front Left 2K0971557AG
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Part no. 3456855
BMW Mini Cooper R55 LCI PL3 SPEG H5 Fuse Distribution Box 3456855
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Part no. 6989169
Rear Bumper PDC BMW E65 E66 Front Ultrasonic Sensor Schwarz 2 Black 668
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Part no. 7565300-2
BMW Z4 E85 2.0i N46 150HP ECU Control Unit Module Kit DME 7565300 EWS Key Manual
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Part no. 8E0857925H
Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925B
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Part no. 0AM911023R
Audi A3 8V 1.4 TSI Petrol Starter Motor Engine Actuator Unit 0AM911023R
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Part no. 6927025-1
Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
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Part no. 6925966-2
BMW X3 E83 LCi Rear Door Window Lifter Right O/S 6925966
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Part no. 9216337
BMW F20 F21 Amplifier Holder Audio Catch Bracket Trim Panel 9216337
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Part no. 7809955-4
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Part no. A2028001448
Mercedes W202 Central Locking Vacuum Pump Control Unit A2028001448
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Part no. 8645515
BMW X3 F25 X4 F26 Integrated Supply Module 8645515
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Part no. A2059004433
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059004433
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Part no. 9313933-2
BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
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Part no. 6G9T14B192DA
Ford Transit Mk7 Relay 5-Pin Black Unit FoMoCo 6G9T14B192DA
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Part no. 7532140-4
BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Part no. 9264625
Seat Wiring BMW F20 F30 F31 F34 Passenger's Side Cable Loom Harness 9264625
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Part no. 6987997
BMW 1 Series E87 Footwell Light Control Module Unit PL2 FRMFA Lear 6987997
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Part no. A0009063822
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. 8798185
BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
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Part no. A0061513701
Mercedes W164 W204 W211 C216 C219 M273 Starter Motor Assembly A0061513701
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Part no. 9240527
BMW X1 Series E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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Part no. 9124583-KAS1
BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor SET X4 Kaschmirsilber
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VW Volkswagen Golf MK6 Steering Wheel Column Control Module 1K0953549CF
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BMW F44 Gran Coupe Antenna Amplifier Suppresion Filter 6839355
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BMW E90 E91 E92 E93 325i N53 218HP ECU Kit Control Unit DME 7576719 Automatic
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Part no. 8677631
BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631
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Part no. A2469008311
Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Part no. A6421540502
Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502
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Part no. A2208216279
Mercedes-Benz S-Class W220 Door Control Module Left Rear N/S A2208216279
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Part no. A2711540902-1
Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902
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Part no. 8W0907468C
Audi A4 B9 Body Gateway Module ECU Control Unit 8W0907468C
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Part no. 3452166
BMW X3 E83 Air Module Control Unit ECU 3452166
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Part no. 9380239
Gateway Module BMW F11 LCI Central Control Unit Lear ZGW-02 4SK 9380239
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Part no. A6519005301-13
Mercedes S212 E250CDI BE OM651.924 204HP Engine Unit Module ECU Kit A6519005301
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Part no. 6925897
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
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Part no. A6397600204
Bowden Cable Mercedes W639 Door Handle Catch Top Rear Right O/S Wire A6397600204
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Part no. A2044400538
Mercedes C204 Wiring Cable Harness Front Driver Door Wiring Loom A2044400538
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Part no. 6780590
BMW E60 E61 E63 E65 Dynamic Drive Control Unit Module Front Suspension 6780590
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Part no. 231A08052R
Renault Trafic 3 BSI BSM Body EMM-T4 L3 Control Unit Module 231A08052R
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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 .