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. 6944844
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
Product currently unavailable
Part no. 3457579
Fuse Box Mini Cooper R57 Cabrio High SPEG PL3 DC/DC H4 Distribution 3457579
Product currently unavailable
Part no. A1729008612
Mercedes SLK R172 Amplifier Audio Sound Control Unit Module Harman A1729008612
Product currently unavailable
Part no. 7795844-4
BMW 1 3 Series E87 E90 E91 118d 318d Engine ECU Kit DDE CAS2 Key 7795844
Product currently unavailable
Part no. 1J0035505A
Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
Product currently unavailable
Part no. 9210508
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9210508
Product currently unavailable
Part no. A1698205189
Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1698205189
Product currently unavailable
Part no. A2075406010-1
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
Product currently unavailable
Part no. 6968037
BMW 1 Series E87 ECU Body Control Module Unit H2 PL2 JBBFE 61356968037 6968037
Product currently unavailable
Part no. 7810950-2
BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
Product currently unavailable
Part no. 03D971595CJ
VW Volkswagen Fox 5Z 1.2 CHFB Engine Wiring Loom Harness Cable Loom 03D971595CJ
Product currently unavailable
Part no. 1K0937087J
Skoda Octavia II Body Control Module Convenience Unit BCM ECU 1K0937087J
Product currently unavailable
Part no. 9249103
Positive Cable BMW Z4 E89 Convertible Battery Plus Pole Power Red 9249103
Product currently unavailable
Part no. 6925903
BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
Product currently unavailable
Part no. 7520019-11
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
Product currently unavailable
Part no. 8P0862335K
Bluetooth Interface Audi TT 8J A3 8P Multimedia Steuergerät ECU 8P0862335K
Product currently unavailable
Part no. 9159129
Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129
Product currently unavailable
Part no. 4L0910655B
Audi Q7 4L ECU Air Module Control Unit Crash Impact Sensor 4L0910655B
Product currently unavailable
Part no. 8S0820043
Audi TT FV A/C Air Condition Climate Control Module Unit ECU 8S0820043
Product currently unavailable
Part no. 8E0907307F
Audi A4 B8 Seat Exeo Servotronic Relay Control Unit 9 Pin 8E0907307F
Product currently unavailable
Part no. A2039000100
Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2039000100
Product currently unavailable
Part no. A2059001814
Mercedes W205 Air System Control Unit Module ECU A2059001814
Product currently unavailable
Part no. 9452468
BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
Product currently unavailable
Part no. A2165402945-1
Mercedes ML W164 Distronic Radar Sensor Cruise Control Unit Module A2165402945
Product currently unavailable
Part no. 6948578
BMW E60 Light Control Unit Module LM E6X Lear 6948578
Product currently unavailable
Part no. 9382517
Audio Amplifier BMW F20 F21 F23 LCI I3 I8 Top Hifi Harman Kardon Unit 9382517
Product currently unavailable
Part no. A4475405931
Mercedes Vito W447 Fuse Relay Box Module A4475405931
Product currently unavailable
Part no. A2711500391-1
Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
Product currently unavailable
Part no. 3C8035730
VW Volkswagen Tiguan 5N Bluetooth Interface Control Module ECU 3C8035730
Product currently unavailable
Part no. A2465407711
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A2465407711
Product currently unavailable
Part no. 7519721
BMW 3 5 7 X3 Series E46 E60 E61 E65 E66 E83 M54 Alternator Generator 150A BOSCH
Product currently unavailable
Part no. 7515030-3
Mini R52 R53 Petrol W11 Compact Alternator Generator 7515030
Product currently unavailable
Part no. 3451925
Mini Cooper One R56 High SPEG DC/DC M3 Fuse Distribution Box 3451925
Product currently unavailable
Part no. 9125894
BMW E65 E66 CD Audio System Controller Player MD 9125894
Product currently unavailable
Part no. 90464760
GM Vauxhall Opel Relay 4-Pin Glow Plug Unit Black Tyco 90464760
Product currently unavailable
Part no. 3453809
BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness Cables Set 3453809
Product currently unavailable
Part no. 7561834-4
BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Manual
Product currently unavailable
Part no. 6C1T-14K076-CC
Ford Transit Mk7 Handbrake Wiring Cable Battery Wire Cabling 6C1T-14K076-CC
Product currently unavailable
Part no. A1408202526
Mercedes C140 Seat Belt Module Control Unit ECU A1408202526
Product currently unavailable
Part no. 2240945
BMW 5 Series E60 E61 Mini R50 R53 PDC Parking Ultrasonic Sensor Rear Cool Blue
Product currently unavailable
Part no. A0009001803
Mercedes W176 W204 C207 C218 W246 Fuel Pump Control Module A0009001803
Product currently unavailable
Part no. 8517727-1
Mini Cooper SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
Product currently unavailable
Part no. A2469006018
Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
Product currently unavailable
Part no. 9120788
BMW 5 Series E60 E61 Wiring Loom Harness Passenger Side 9120785
Product currently unavailable
Part no. 6901570
BMW 3 Series E46 Dashboard Dash Twilight Sun Solar Sensor 6901570
Product currently unavailable
Part no. 1423079
BMW 3 E36 316i M43 Engine Automatic Gearbox Control Unit EGS 1423079 1423000
Product currently unavailable
Part no. 7570488-4
Mini Cooper R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 7570488
Product currently unavailable
Part no. 8W0907064CB
Audi A4 B9 BCM Body Control Module Unit ECU 8W0907064CB
Product currently unavailable
Part no. 9X2Q12A650PAD
Jaguar XF X250 3.0 D AJV6D Engine Control Unit ECU 9X2Q12A650PAD Automatic
Product currently unavailable
Part no. 7567321
BMW E81 E87 LCI E90 116i 316i 1.6 N45N ECU Control Unit DME 7567321 Manual
Product currently unavailable
Part no. 9176824
BMW X5 E70 Footwell Light Control Module Unit LEAR PL4 FRM II 9176824
Product currently unavailable
Part no. 7533270-1
Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
Product currently unavailable
Part no. A2059005036
Mercedes W205 W253 CD Radio Audio Sat Nav Navigation Head Unit A2059005036
Product currently unavailable
Part no. 7545789-14
MINI Cooper R52 R53 W11 170HP Engine ECU Control Unit DME 7545789 Manual
Product currently unavailable
Part no. 059903018R
Audi A6 C7 3.0 TDI CLAA Alternator Generator Engine Unit Hitachi 059903018R
Product currently unavailable
Part no. A1729000402
Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402
Product currently unavailable
Part no. 3Q0907530AC-1
Audi Q2 GA Gateway Diagnostics Interface Control Module 3Q0907530AC
Product currently unavailable
Part no. 9807028750
Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880
Product currently unavailable
Part no. 05L907309-2
Audi A4 B9 2.0 TDI DTNA 163HP Engine Control Unit ECU 05L907309 Automatic
Product currently unavailable
Part no. A2095452801
SAM Module Mercedes CLK W209 C209 A209 Fuse Box Relay Control Unit A2095452801
Product currently unavailable
Part no. E90 Wiring Loom Set PDC Rear-2
BMW 3 Series 2 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
Product currently unavailable
Part no. 8634124-1
BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
Product currently unavailable
Part no. 3456051-2
Mini R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456051
Product currently unavailable
Part no. A6429002900
Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900
Product currently unavailable
Part no. 6976888-1
Head Unit BMW X3 E83 Z4 E85 E86 Radio Business CD Player 6976888
Product currently unavailable
Part no. 8P0907530C
Audi A3 8P Control Unit Gateway Module ECU 8P0907530C
Product currently unavailable
Part no. A1769009203
Mercedes R172 R231 Headlight LED Ballast Control Unit Module A1769009203
Product currently unavailable
Part no. 6952296
BMW 1 3 X1 Z4 Series E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6952296
Product currently unavailable
Part no. 6933238
BMW E46 E53 Side Air Module Control Unit ECU Module 6933238
Product currently unavailable
Part no. 6948576
BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
Product currently unavailable
Part no. 8614302-4
BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
Product currently unavailable
Part no. 55582510
Vauxhall Opel Insignia A 2.0 CDTI Alternator Bracket Belt Tensioner 55582510
Product currently unavailable
Part no. 7519618
BMW E46 E85 M54 Petrol Alternator Generator Bosch 120A 7519618
Product currently unavailable
Part no. A2045407335
Mercedes W204 C207 W212 Earth Ground Cable Transmission To Body A2045407335
Product currently unavailable
Part no. CC1T-11000-BB
Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-BB
Product currently unavailable
Part no. 8380889
BMW 3 Series E46 Door Wiring Loom Harness Co-Drivers Passengers Side 8383351
Product currently unavailable
Part no. 9390483
BMW 1 E87 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9390483
Product currently unavailable
Part no. 6913085
BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
Product currently unavailable
Part no. 04L907309A-1
Audi A3 8V 2.0 TDI CRLB 150HP Engine ECU Kit Ignition + 2 Keys 04L907309A Manual
Product currently unavailable
Part no. A2661502933
Mercedes A B W169 W245 M266 Petrol Engine Wiring Harness Loom A2661502933
Product currently unavailable
Part no. 5Q0959655BT
Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655BT
Product currently unavailable
Part no. 6958039
BMW E65 E66 Steering Wheel Electronics Control Unit Module 6958039
Product currently unavailable
Part no. A2078205289
Mercedes C207 Rear Radio Amp Sound Amplifier Audio Getaway Becker A2078205289
Product currently unavailable
Part no. 9203081-1
BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
Product currently unavailable
Part no. A9066880008
Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
Product currently unavailable
Part no. 7558220
BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
Product currently unavailable
Part no. 7599881-2
BMW E87 LCI E90 118i 318i N43 143HP ECU KIT DME 7599881 CAS3 + Key Automatic
Product currently unavailable
Part no. 6943814
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 6943814
Product currently unavailable
Part no. CC1112B533AB
Ford Transit MK7 Diesel Glow Plug Relay Control Unit Module CC11-12B533-AB
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. 9241694
Wiring Harness BMW F10 F11 Front Bumper PDC Wiring Loom Cable 9241694
Product currently unavailable
Part no. A1718204226
Mercedes R171 Convertible Roof Top Control Unit Module ECU A1718204226
Product currently unavailable
Part no. 8K0915181C
Audi A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181C
Product currently unavailable
Part no. A2049007408-1
Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
Product currently unavailable
Part no. 6946528
BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6946528
Product currently unavailable
Part no. A2045455401
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
Product currently unavailable
Part no. 5Q0955547C
Skoda Octavia Fabia Mk3 VW Polo Mk6 Rain Sensor Control Unit Module 5Q0955547C
Product currently unavailable
Part no. YC1U-11000-AF-1
Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AF
Product currently unavailable
Part no. 1025-10
BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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 .