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. 4M0971228CH
Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
Product currently unavailable
Part no. A4479058203
Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
Product currently unavailable
Part no. 8674691
BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8674691
Product currently unavailable
Part no. 9160186
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9160186
Product currently unavailable
Part no. 1393415-3
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
Product currently unavailable
-5%
Part no. 04E907309AF
Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
Product currently unavailable
Part no. A1669008606-1
Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
Product currently unavailable
Part no. 8510829
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
Product currently unavailable
Part no. 2354701-1
BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
Product currently unavailable
Part no. A2118208185
Mercedes W211 Door Module Front Left N/S Driver Control Unit ECU A2118208185
Product currently unavailable
Part no. 8T2035186P
Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186P
Product currently unavailable
Part no. 8U0955559B
Audi A5 8T Windscreen Rain Sensor Control Unit 8U0955559B
Product currently unavailable
Part no. 8U0959107A
Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
Product currently unavailable
Part no. A6519007600-2
Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
Product currently unavailable
Part no. 9176686-1
BMW 3 X3 X5 E46 E53 E83 Mini R50 DVD GPS Navigation System Computer Unit DAMAGE
Product currently unavailable
Part no. 93867998
Vauxhall Vivaro B Radio Stereo Head Unit Mount Bracket Holder Support 93867998
Product currently unavailable
Part no. 3457168
Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
Product currently unavailable
Part no. A6461540002-1
Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
Product currently unavailable
Part no. 8243267
BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267
Product currently unavailable
Part no. 7850609
BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
Product currently unavailable
Part no. 9380947
BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
Product currently unavailable
Part no. 7545789
MINI Cooper R50 R52 R53 W10 116HP Engine ECU Control Unit DME 7545789 Manual
Product currently unavailable
Part no. 9809590-1
Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
Product currently unavailable
Part no. 5G0035820A
Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A
Product currently unavailable
Part no. 9381020
BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9381020
Product currently unavailable
Part no. 8K5907551B-1
Audi S4 B8 3.0 TFSI CGWC 333HP Quattro Engine Control Module ECU Kit 8K5907551B
Product currently unavailable
Part no. E82 Wiring Loom Set PDC rear -1
BMW 1 Series E82 Wiring Loom Set Rear Complete Harness PDC Parking Sensor
Product currently unavailable
Part no. A0028206289
Mercedes-Benz C ML W203 C209 W163 6 CD Changer Magazine Cartridge A0028206289
Product currently unavailable
Part no. 2755704-1
Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704
Product currently unavailable
Part no. A1779061002-1
Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002
Product currently unavailable
Part no. A1729006609
Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
Product currently unavailable
Part no. 6948578
BMW E60 Light Control Unit Module LM E6X Lear 6948578
Product currently unavailable
Part no. A2215408745
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
Product currently unavailable
-15%
Part no. 8680374
BMW F45 Alternator Generator 8680374
Product currently unavailable
Part no. 7587548-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS 3 + Key Manual
Product currently unavailable
Part no. 9244261
Module BMW F10 Central Gateway Control Unit Module ZGW-01 High 9244261
Product currently unavailable
Part no. A6399003101
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003101
Product currently unavailable
Part no. 8P0035152E
Audi A3 8P Stereo Radio Audio CD Player Head Unit 8P0035152E
Product currently unavailable
Part no. 8510829-1
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
Product currently unavailable
Part no. 6922510
BMW X5 Series E53 Professional CD Radio TMC 6922510
Product currently unavailable
Part no. 9112761-1
Mini Cooper R50 R52 6-Disc CD Changer Multichanger Unit With Magazine 9112761
Product currently unavailable
Part no. 8519663-1
Mini Cooper SD R56 LCI N47N 143HP Diesel Engine ECU Kit DDE 8519663 CAS 3 Key
Product currently unavailable
Part no. 9496817
Front Impact Sensor BMW F70 G05 G14 G15 U06 Safety Crash Module Unit 9496817
Product currently unavailable
Part no. 7809000-3
BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
Product currently unavailable
Part no. 6759599
BMW E60 E61N LCI E65 EDC-K Control Unit Moudule ECU 6759599
Product currently unavailable
Part no. 7558220
BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
Product currently unavailable
Part no. 9284973
Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
Product currently unavailable
Part no. A6511505120
Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
Product currently unavailable
Part no. 3455896-1
Mini R57 Convertible ECU Footwell Light Module High EKS PL3 FRM3R 3455896
Product currently unavailable
Part no. 4H4907357E
Audi A6 C7 Front Lamp Headlight Control Module Unit ECU Controller 4H4907357E
Product currently unavailable
Part no. 3457528
Mini Paceman R61 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
Product currently unavailable
Part no. 3456393
Mini Cooper R56 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
Product currently unavailable
Part no. A1645450216
Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
Product currently unavailable
Part no. A1685402508
Mercedes-Benz A W168 Door Cable Harness Wiring Loom Rear Left Right A1685402508
Product currently unavailable
Part no. 04C903021A
Volkswagen Golf Sportsvan 1.5 TSI Alternator Valeo 14V 140A 04C903021A
Product currently unavailable
Part no. A1635402109
Mercedes-Benz M ML W163 Front Bumper Fog Lamps Parktronic Wiring Loom Harness
Product currently unavailable
Part no. 7316215
Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
Product currently unavailable
Part no. 9239323-1
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
Product currently unavailable
Part no. A2165402945-1
Mercedes ML W164 Distronic Radar Sensor Cruise Control Unit Module A2165402945
Product currently unavailable
Part no. A2095450001
Mercedes CLK W209 Fuse Box Relay Control Unit Module SAM Fuse Box A2095450001
Product currently unavailable
Part no. 3457029
Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3457029
Product currently unavailable
Part no. 9175652-1
BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
Product currently unavailable
Part no. 9259730-1
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
Product currently unavailable
-15%
Part no. A2048700185
Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185
Product currently unavailable
Part no. 9251748
BMW E81 E87 E90 E91 E92 LCI Combox Telematics Module Navigation 9251748
Product currently unavailable
Part no. 7552176-3
BMW E87 E90 120i 320i N46 150HP ECU Engine Control Unit DME 7552176 Automatic
Product currently unavailable
Part no. A2139062607
Mercedes W213 SD Card Garmin Map Pilot Navi Europe 2019 A2139062607
Product currently unavailable
Part no. 6985501
BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6985501
Product currently unavailable
Part no. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
Product currently unavailable
Part no. A1645403706
Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706
Product currently unavailable
Part no. A1665420518
Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
Product currently unavailable
Part no. 6879834
Control Unit BMW F20 F21 F22 F30 F31 F32 ICM Module ECU 6879834
Product currently unavailable
Part no. A1645402305
PDC Wiring Mercedes ML W164 Front Bumper Parking Sensor Loom Cable A1645402305
Product currently unavailable
Part no. A2479069901
Mercedes H243 Bonnet Actuator Left Right N/O/S Pedestrian Protection A2479069901
Product currently unavailable
Part no. 8507136-3
BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Keys
Product currently unavailable
Part no. 9144773
BMW 1 3 Series E87 LCI E90 E91 E92 Radio CD Professional 9144773
Product currently unavailable
Part no. 9247383
Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
Product currently unavailable
Part no. P04727770AC
Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P04727770AC Automatic
Product currently unavailable
Part no. A1695405645
Mercedes W169 SAM Control Module Fuse Box Unit A1695405645
Product currently unavailable
Part no. 6947919
BMW E60 E63 E64 Body Control Module ECU 61356947919 6947919
Product currently unavailable
Part no. 55246588
Fiat Doblo 1.3 Diesel Multijet 90HP Engine Control Unit Module ECU 55246588
Product currently unavailable
Part no. 8K2907115P-1
Audi A5 8T A4 B8 8K 2.0 TFSI CDNC 211HP Engine ECU Kit 8K2907115P Key + Ignition
Product currently unavailable
Part no. A1645400072
Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072
Product currently unavailable
Part no. 9166075
BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9166075
Product currently unavailable
Part no. 6938310
BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6938310
Product currently unavailable
Part no. 3457429
Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
Product currently unavailable
Part no. A2049001202
Mercedes W204 S204 Estate Rear SAM Control Unit Module A2049001202
Product currently unavailable
Part no. 9150883
BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883
Product currently unavailable
Part no. 4H0907441A
Audi A8L 4H Rear View Backup Camera Control Unit Module 4H0907441A
Product currently unavailable
Part no. 9224592-3
BMW E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
Product currently unavailable
Part no. 6939069
BMW X5 E53 X3 E83 Control Unit Xenon Adaptive Headlight Ballast 6939069
Product currently unavailable
-5%
Part no. 02T911024N
Seat Ibiza 6J VW Volkswagen 6R Starter Motor 1.2 1.6 Petrol Engine 02T911024N
Product currently unavailable
Part no. 7798035-4
BMW E70 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
Product currently unavailable
Part no. 6961218-1
BMW 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
Product currently unavailable
Part no. A2059000328
Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328
Product currently unavailable
Part no. 6969418
BMW 5 Series E60 E61 Centre Console Switch DTC PDC 6969418
Product currently unavailable
Part no. 4E0910110L
Audi A6 C6 6-Disc CD Changer Magazine Head Unit MMI 6946989
Product currently unavailable
Part no. 8200935115-1
Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 8200935115 Manual
Product currently unavailable
Part no. 5G0919605
VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
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 .