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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 9243916
BMW E81 E87 E90 E91 E92 E93 LCI Radio CD Professional 9243916
Product currently unavailable
Part no. 23710JD78E
Nissan Quashqai M9R Diesel Engine Control ECU Manual Gearbox 23710 JD78E
Product currently unavailable
Part no. 237103984R
Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 237103984R Manual
Product currently unavailable
Part no. 7799854-1
BMW 1 3 Series E87 E90 M47N2 118d 318d 122HP ECU KIT DDE + CAS2 + Key 7799854
Product currently unavailable
Part no. A1645408662
Mercedes ML W164 Transfer Case Box Module Control Unit ECU A1645408662
Product currently unavailable
Part no. A1645400436
Mercedes ML164 Alternator Wiring Starter Motor Harness OM642 A1645400436
Product currently unavailable
Part no. A2139053303
Mercedes W213 Dashboard Switch Panel A2139053303
Product currently unavailable
Part no. 6920822
BMW X5 Series E53 Body Control Module Unit ECU GM III 61356920822 6920822
Product currently unavailable
Part no. 8512500
BMW E81 E82 E87 LCI E88 123d N47S 204HP Engine Unit ECU DDE 8512500 Manual
Product currently unavailable
Part no. 4G0035061N
Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
Product currently unavailable
Part no. 8K0907063DG
Audi Q5 8R Body Control Comfort Unit Module Unit 8K0907063DG
Product currently unavailable
Part no. 8514831
Engine Wiring BMW F30 F31 F32 F36 LCI 330d 430d N57N Loom Harness Cable 8514831
Product currently unavailable
Part no. 3450280
Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280
Product currently unavailable
-15%
Part no. 9868383
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9868383
Product currently unavailable
Part no. A6461505091-1
Mercedes C209 CLK220 CDI 646.966 Engine ECU Kit A6461505091 Keys Lock Automatic
Product currently unavailable
Part no. A2098205926
Mercedes CLK C209 Body Control Module Unit A2098205926
Product currently unavailable
Part no. 8T1035223A
Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
Product currently unavailable
Part no. 8U0857273E
Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
Product currently unavailable
Part no. A6429002900-7
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key + Lock
Product currently unavailable
Part no. A6398200942
Mercedes-Benz Vito W639 Radio Fan Adapter Control Unit Module A6398200942
Product currently unavailable
Part no. 4G0959754K
Audi A6 C7 Ignition Smart Key Fob Lock Remote Alarm Button Control 4G0959754K
Product currently unavailable
Part no. 9267200
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
Product currently unavailable
Part no. A2125402705
Mercedes W212 Rear Suspension Level Sensor Wiring Loom Cable Harness A2125402705
Product currently unavailable
Part no. 5B31359
BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
Product currently unavailable
Part no. 8512415-1
Mini Cooper D R55 R56 LCI N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
Product currently unavailable
Part no. 8K0959795C
Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
Product currently unavailable
Part no. 6957026
BMW E65 E66 Control unit power ECU module 6957026
Product currently unavailable
Part no. 8621840
BMW 1 3 Series F20 F21 F30 LCI Starter Motor Engine 8621840
Product currently unavailable
Part no. 8E0959651
Audi A4 S4 B6 A7 4B Crash Impact Sensor 8E0959651
Product currently unavailable
Part no. A2115400008
ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
Product currently unavailable
Part no. 7796819-1
Engine Wiring BMW X5 E53 3.0d M57N Loom Cable Harness Injector Module 7796819
Product currently unavailable
Part no. A1635402209
Mercedes-Benz M ML W163 Rear Bumper Parktronic Wiring Loom Harness A1635402209
Product currently unavailable
Part no. A2038204002
Mercedes-Benz CLC CL203 Rear Left Right Door Loudspeaker Speaker A2038204002
Product currently unavailable
Part no. 038906016AJ
VW Volkswagen Transporter T5 1.9 TDI Diesel Engine Control Unit ECU 038906016AJ
Product currently unavailable
Part no. 4F0971589A
Audi S6 C6 Steering Wheel Multifunction Wiring Loom 4F0971589A
Product currently unavailable
Part no. 7835548
BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548
Product currently unavailable
Part no. A2709002100-3
Mercedes X117 CLA 250 270.920 4-Matic Engine Control Unit Module A2709002100
Product currently unavailable
Part no. A0255453232
Mercedes A E Class W168 W210 Module Control Unit Electric Fan ESG A0255453232
Product currently unavailable
Part no. 6955004
BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
Product currently unavailable
Part no. A0009009903
Mercedes W212 E63 AMG Drive Unit Extended Control Module ECU A0009009903
Product currently unavailable
Part no. 8X0971845A
Audi A1 8X Fuse Relay Box Electrical Control Unit Module 8X0937124
Product currently unavailable
Part no. 9232896-2
Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen 8,8" Unit 9232896
Product currently unavailable
Part no. 9140177
BMW MINI Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
Product currently unavailable
Part no. A2035452901
Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901
Product currently unavailable
Part no. 9205962-1
BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962
Product currently unavailable
Part no. 6856283
BMW F30 F31 Lane Change Wiring Sensor Module Master Right O/S HC-2 6856283
Product currently unavailable
Part no. A0015404517
Mercedes-Benz C E Class W202 W210 ESP Yaw Rotation Rate Sensor A0015404517
Product currently unavailable
Part no. 9240528-1
BMW 3 Series E93 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
Product currently unavailable
Part no. A0025427419
Mercedes-Benz A B E M W169 W245 W210 W163 Relay 5-Pin Yellow Hella A0025427419
Product currently unavailable
Part no. 9684613880
Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
Product currently unavailable
Part no. 8K0971228H
Audi A4 B8 3.0 TDI Starter Alternator Wiring Loom Cable Harness 8K0971228H
Product currently unavailable
Part no. 8T0907468F
Audi A5 8T Gateway Control Module Unit ECU 8T0907468F
Product currently unavailable
Part no. 4M0907355E
Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E
Product currently unavailable
Part no. A2129006924
Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924
Product currently unavailable
Part no. 7809000
BMW E60 E87 E90 120d 320d 520d N47 ECU Control Unit Module DDE 7809000 Manual
Product currently unavailable
Part no. A2129006824
Front Fuse Box Mercedes W204 S204 Relay Control Unit SAM Module A2129006824
Product currently unavailable
Part no. 7565300-2
BMW Z4 E85 2.0i N46 150HP ECU Control Unit Module Kit DME 7565300 EWS Key Manual
Product currently unavailable
Part no. 9282286
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
Product currently unavailable
Part no. 6878198
BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
Product currently unavailable
Part no. 9172415
Mini Clubman R55 Rear Right O/S Wiring Loom Cable Harness Set 9172415
Product currently unavailable
Part no. 7794952-1
BMW 5 Series E60 M57 1 Engine Starter Motor 7794952 0001115041
Product currently unavailable
Part no. A9075402705
Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
Product currently unavailable
Part no. 6819309
Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
Product currently unavailable
Part no. A2049000607
Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607
Product currently unavailable
Part no. 4L0910401M-1
Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
Product currently unavailable
Part no. A2469069600
Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
Product currently unavailable
Part no. 9286887
BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU Lear FRM PL2 9286887
Product currently unavailable
Part no. 16228387
Mercedes-Benz M-Class ML W163 Roof Towing Alarm Sensor Switch Module 16228382
Product currently unavailable
Part no. 9240490-1
BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
Product currently unavailable
Part no. A1679003718
Door Module Mercedes W205 W213 C253 Control Unit Rear Right O/S A1679003718
Product currently unavailable
Part no. 8P0959655C
Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C
Product currently unavailable
Part no. 9175866
BMW E60 E61 Front Right Door O/S Wiring Cables Harness 9175863
Product currently unavailable
Part no. A2129003825
Mercedes W204 SAM Module Control Unit Electrical Fuse Box Unit A2129003825
Product currently unavailable
Part no. 0AM911023J
Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J
Product currently unavailable
Part no. 9148257
Seat Control Unit BMW E60 E61 Module ECU 9148257
Product currently unavailable
Part no. 9140177-1
Mini Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
Product currently unavailable
Part no. A2215409032
Ground Line Mercedes W221 Wiring Battery Starter Alternator Cable A2215409032
Product currently unavailable
Part no. 7N0959794G
VW Volkswagen Sharan 7N Rear Left Right Door ECU Module Control Unit 7N0959794G
Product currently unavailable
Part no. 7405634
BMW G20 Trunk Boot Lid Tailgate Pushbutton Lock System Trim Cover Panel 7405634
Product currently unavailable
Part no. 9166667
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
Product currently unavailable
Part no. A0275455632
ESP Module Mercedes W210 Electronic Stability Program Control Unit A0275455632
Product currently unavailable
Part no. 6907314
BMW 7 Series E65 Dynamic Drive Pump Wiring Loom Harness ARS Valve Block 6907314
Product currently unavailable
Part no. 7533651-3
BMW 5 Series E60 520i M54 170HP ECU Kit DME 7533651 + CAS2 + Key Automatic
Product currently unavailable
Part no. A2129002627
Mercedes W212 Fuse Box Relay Module Control Unit A2129002627
Product currently unavailable
Part no. 7P0959651
Porsche Cayenne 92A Front Pressure Crash Impact Sensor 7P0959651
Product currently unavailable
Part no. A0051515301
Mercedes-Benz C-Class W203 M111 C 180 C 200 K Engine Starter Motor A0051515301
Product currently unavailable
Part no. 7209145
BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008
Product currently unavailable
Part no. A2469000709
Mercedes W246 Air Module Control Unit ECU Module A2469000709
Product currently unavailable
Part no. A0355451532
Mercedes W211 Gearbox Module Transmission Control Unit A0355451532
Product currently unavailable
Part no. A2118706189
Mercedes W164 W169 W211 W245 Disc CD Changer A2118706189
Product currently unavailable
Part no. 8K2907115Q-1
Audi A5 8T 2.0 TFSI CDNB 180HP Engine ECU Kit 8K2907115Q 2 Keys + Ignition
Product currently unavailable
Part no. 9316663
Seat Wiring BMW X3 F25 X4 F26 Cable Loom Harness Passenger's Side 9316662
Product currently unavailable
Part no. 9381606
Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 9381606
Product currently unavailable
Part no. 7640005-8
Mini Cooper R56 N12 1.6 120HP ECU Kit Engine DME 7640005 + CAS3 + Keys Manual
Product currently unavailable
Part no. 6961142
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
Product currently unavailable
Part no. 6805061
BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
Product currently unavailable
Part no. 7787581
BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
Product currently unavailable
Part no. 1729981
BMW 5 7 X5 Series E34 E38 E39 E53 Petrol Starter Motor 1729981
Product currently unavailable
Part no. 7852338
Ventilation Valve BMW F90 M5 F91 M8 S63M Fuel Tank Pipe Cyl. 5-8 7852338
Product currently unavailable
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 .