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. 4M8962239
Audi Q7 4M Rear Boot Lid Tailgate Opening Module Cable Wiring Line 4M8962239
Product currently unavailable
Part no. 8K0971104Q
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104Q
Product currently unavailable
Part no. 4M0971228CH
Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
Product currently unavailable
Part no. 06M911022D
Audi Q7 4M Starter Motor Engine Diesel Valeo 06M911022D
Product currently unavailable
Part no. 4G0907553F-1
Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
Product currently unavailable
Part no. 8587952-8
BMW F20 F21 LCI F30 150HP 118d 318d B47 Engine Unit ECU DDE Set 8587952 Manual
Product currently unavailable
Part no. A6519003603-3
Mercedes Sprinter W910 314 CDI OM651.958 143HP Engine ECU Kit A6519003603 Manual
Product currently unavailable
Part no. 6975688
BMW E64 Gateway Module Sensor Air Module Control ECU 6975688
Product currently unavailable
Part no. 6C0971349MD
Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
Product currently unavailable
Part no. 9826048080
Citroen Relay 2.2 HDI Engine Starter Motor Diesel 9826048080
Product currently unavailable
Part no. 6920759
GPS Navigation Unit BMW E38 E39 E46 X5 E53 System Computer 6920759
Product currently unavailable
Part no. A0345459432
Mercedes CL C215 W220 Sam Control Module Fuse Box Unit A0345459432
Product currently unavailable
Part no. 8K0907063DD
Audi A5 8T Onboard Comfort Supply BCM Control Module Unit ECU 8K0907063DD
Product currently unavailable
Part no. 6983334
Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 6983334
Product currently unavailable
Part no. A6079002200-5
Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU A6079002200 Manual
Product currently unavailable
Part no. 6840399-1
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation GPS 6840399
Product currently unavailable
Part no. 8K0927155AA
Audi A5 8T 2.0 TFSI CDNB Automatic Gearbox Module Control Unit 8K0927155AA
Product currently unavailable
Part no. 8N0906018CN
Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
Product currently unavailable
Part no. 7521137-2
BMW X3 E83 E46 E60 E61 E65 Alternator Generator 150A 7521137
Product currently unavailable
Part no. A0009064022
Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022
Product currently unavailable
Part no. 02M911023
Audi TT 8N Mk1 1.8T Petrol Engine Starter Motor Assembly 0001121022 02M911023
Product currently unavailable
Part no. 04C903023L
Audi A1 8X 1.2 TFSI CBZA Petrol Engine Alternator Generator 04C903023L
Product currently unavailable
Part no. A0009060903
Alternator Mercedes W166 W213 C292 OM651 Generator 14V 250A A0009060903
Product currently unavailable
Part no. 4B0057186PX-1
Audi TT 8N Radio Stereo Player Head Unit Chorus 4B0057186PX
Product currently unavailable
Part no. 1K0937125C
Fuse Box Audi A3 8P Volkswagen Golf Mk5 Cover Trim Panel Housing 1K0937125C
Product currently unavailable
Part no. A0035421619-1
Mercedes W177 Relay 052 Fuse Box Relay Slot B D E 70A Tyco SET X2 A0035421619
Product currently unavailable
Part no. 04L903017E
Audi A4 8K 2.0 TDI Diesel Engine Alternator Generator 04L903017E
Product currently unavailable
Part no. 8589145-16
BMW F20 F21 F30 F31 118d 318d B47 150HP Engine Control ECU DDE 8473185 Manual
Product currently unavailable
Part no. A6519005301-14
Mercedes S212 E220CDI OM651.924 170HP Engine Control Unit ECU Kit A6519005301
Product currently unavailable
Part no. 8P0907115H
Audi S3 8P 2.0 TFSI BHZ 265HP Engine Control Module ECU 8P0907115H Manual
Product currently unavailable
Part no. 9646972280
Peugeot Boxer Citroen Relay Engine Starter Motor Diesel Valeo 9646972280
Product currently unavailable
Part no. 1K0971349FL
Audi A3 8P Alternator Main Cable Wiring Harness Loom 1K0971349FL
Product currently unavailable
Part no. MMI2G-CARPLAY-A1
Audi A1 8X Bluetooth Interface CarPlay MMI Retrofit Multimedia Unit Set MMI2G
Product currently unavailable
Part no. 8515491
BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
Product currently unavailable
Part no. 9224592-3
BMW E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
Product currently unavailable
Part no. 8587952-7
Mini Cooper D F55 F56 B37 116HP Diesel ECU Engine Unit DDE 8587952 Manual
Product currently unavailable
Part no. A0009062003
Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
Product currently unavailable
Part no. 03G903016EX
Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX
Product currently unavailable
Part no. 6C0907361D
Audi A1 8X Fuse Box Control Module Relay Box 6C0907361D
Product currently unavailable
Part no. 04E907309AC-1
Audi A1 8X 1.4 TFSI CZCA 125HP Engine ECU Kit BCM Lock + Key 04E907309AC Manual
Product currently unavailable
Part no. 8XA959655
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655
Product currently unavailable
Part no. 6C0915181B
Audi A1 8X Negative Battery Terminal Earth Cable Lead 6C0915181B
Product currently unavailable
Part no. 059903018Q
Audi SQ5 8R 3.0 TDI CGQB Diesel Engine Alternator Generator 059903018Q
Product currently unavailable
Part no. 8R0971228BG
Audi SQ5 8R Starter Alternator Engine Wiring Loom Cable 3.0 TDI 8R0971228BG
Product currently unavailable
Part no. 8H0972387
Audi A4 B7 Cabriolet Roof Motor Wiring Harness Wiring Loom 8H0972387
Product currently unavailable
Part no. 7605060-1
Engine Alternator BMW F20 F21 F30 LCI Generator Lucas 170A N13 Petrol 7605060
Product currently unavailable
Part no. 8H0959433M
Audi A4 B7 Body Comfort Control Module BCM Unit ECU 8H0959433M
Product currently unavailable
Part no. 9371131
Seat Control Unit BMW F30 F36 Front Seat Module Unit Controller ECU 9371131
Product currently unavailable
Part no. 8P0959433C
Audi S3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433C
Product currently unavailable
Part no. 8H0035225S
Audi A4 B7 Aerial Antenna Amplifier Module Left N/S 8H0035225S
Product currently unavailable
Part no. 8H0035225R
Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
Product currently unavailable
Part no. 8H0035223E
Audi A4 B7 Convertible Rear Speaker Amplifier Blaupunkt Right O/S 8H0035223E
Product currently unavailable
Part no. 8578609-1
BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608
Product currently unavailable
Part no. 8K0907568H
Audi A5 8T Module Lane Assist Control Unit Rear Left N/S 8K0907568H
Product currently unavailable
Part no. 8K0907566H
Audi A5 8T Module Lane Assist Control Unit Rear Right O/S 8K0907566H
Product currently unavailable
Part no. 8P0959655H
Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655H
Product currently unavailable
Part no. 9252333
BMW F11 ECU Body Control Module Junction Box 9252333
Product currently unavailable
Part no. 8671505-1
BMW F97 F98 G01 G02 G20 G30 Engine Starter Motor 8671505
Product currently unavailable
Part no. 1K0906093F
Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
Product currently unavailable
Part no. 8J0907115-1
Audi TT 8J 2.0 TFSI BWA 200HP Engine Module Control Unit ECU Set 8J0907115
Product currently unavailable
Part no. 8600124-7
Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit ECU DME 8600124 Manual
Product currently unavailable
Part no. 06J903023B
Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B
Product currently unavailable
Part no. 4H0907064FN
Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
Product currently unavailable
Part no. 033830N
BMW F20 F30 Head Unit Display Screen Sat Nav Navigation Set 033830N 10,25"
Product currently unavailable
Part no. 8P0035152E
Audi A3 8P Stereo Radio Audio CD Player Head Unit 8P0035152E
Product currently unavailable
Part no. 0AH911023G
Audi Seat Skoda Volkswagen 1.2 TSI Petrol Starter Motor 0AH911023G
Product currently unavailable
Part no. 5Q0907361C
Audi A3 8V Fuse Box Control Module Relay Box 5Q0907361C
Product currently unavailable
Part no. 8582802
Control Unit BMW F10 F30 F31 330d 530d Diesel N57N Engine ECU DDE 8582802
Product currently unavailable
Part no. 8519009-1
BMW X1 E84 20dX Diesel N47N 184HP Engine ECU Kit DDE 8519009 CAS3 Key Automatic
Product currently unavailable
Part no. 8519667-1
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE CAS3 + Key 8512047 Automatic
Product currently unavailable
Part no. 8517016-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU Kit DDE 7810980 CAS3 + Key Automatic
Product currently unavailable
Part no. 9312471
BMW X6 71 Amplifier HiFi Stereo System Sound 9312471
Product currently unavailable
Part no. AG9Q-10K019-AB
Ford Mondeo Mk4 Alternator Bracket 2.0 TDCi Mount Support AG9Q-10K019-AB
Product currently unavailable
Part no. 04E903023K
Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator Valeo 04E903023K
Product currently unavailable
Part no. 03L903023P-1
Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
Product currently unavailable
Part no. A1695420518-KMG
Mercedes W245 Front Bumper PDC Parking Distance Sensor Comet Grey - 748
Product currently unavailable
Part no. 8K0907801K
Audi A4 B8 Parking Brake Control Module Unit ECU 8K0907801K
Product currently unavailable
Part no. 9313933-2
BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
Product currently unavailable
Part no. A2118704789
Radio Head Unit Mercedes C219 W211 CD Player Audio Navi A2118704789
Product currently unavailable
Part no. 7573863
BMW E60 E90 E92 335i 535i N54 306HP Petrol Engine Control Unit ECU DME 7573863
Product currently unavailable
Part no. 2354701
BMW E60 E65 E70 E81 E87 E90 F10 Engine Starter Motor 2354701
Product currently unavailable
-40%
Part no. A2661539679-1
Mercedes W169 W245 B170 M266.940 116HP Engine Control Unit Set A2661539679
Product currently unavailable
Part no. 079903021D
Audi A4 B6 4.2 BBK Petrol Engine Alternator Generator 079903021D
Product currently unavailable
Part no. 079903015P
Audi A7 S7 4G 4.0 TFSI Petrol Engine Alternator Generator 079903015P
Product currently unavailable
Part no. 9299272
Radio Stereo BMW F20 F30 F31 Professional CD DAB Nav Head Unit 9299272
Product currently unavailable
Part no. 4F0907801
Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801
Product currently unavailable
Part no. 4E0910110A
CD Changer Audi S6 C6 A8 D3 6-Disc Magazine Head Unit MMI 4E0910110A
Product currently unavailable
-15%
Part no. A2048700185
Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185
Product currently unavailable
Part no. A2048700196-3
Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700196
Product currently unavailable
Part no. 03L903016A
Audi Q5 8R 2.0 TDI Alternator Generator 14V 180A Valeo 03L903016A
Product currently unavailable
Part no. E84-ANDROID-SCREEN-XRC8667
BMW X1 E84 Radio Navigation Head Unit Android CarPlay Display 10.25 XRC8667
Product currently unavailable
Part no. 1172243
Steering Wheel Horn Mini R50 R52 R53 Switch Left Right N/O/S 1172243
Product currently unavailable
Part no. 7422700
Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
Product currently unavailable
Part no. 03G906016HS-1
Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
Product currently unavailable
Part no. 4F9035225H
Audi A6 C6 Antenna Amplifier Control Unit Module ECU 4F9035225H
Product currently unavailable
Part no. 4F0919603
Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603
Product currently unavailable
Part no. A2128270028-OB
Mercedes S212 Roof Antenna Estate Shark Trim Obsidian Black - 197 A2128270028
Product currently unavailable
Part no. 4E0955559C
Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
Product currently unavailable
Part no. A6519005301-13
Mercedes S212 E250CDI BE OM651.924 204HP Engine Unit Module ECU Kit A6519005301
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 .