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
-40%
Part no. 9177987
BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2125405710
Mercedes W212 PDC Wiring Parktronic Parking Sensor Cable Rear A2125405710
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8E0959651A
Audi A4 B7 Front Crash Impact Air Module Sensor Unit Module 8E0959651A
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9134661
BMW E87 E90 E91 E92 Seat Control Unit Module ECU 9134661
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9267514
BMW F10 F11 F12 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9267514
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9273629
BMW F11 Footwell Light Module ECU Control Unit FRM III TEMIC 9273629
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6982652
BMW 1 Series E82 E88 Positive Battery Lead Cable Wire 61126982652 6982652
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9213373
Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-A2045420918
Battery Sensor Mercedes W204 W212 Negative Minus Terminal Lead Cable A2045420918
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9225022
BMW 2 3 4 Series F22 F30 F31 F32 Battery Power B+ Distribution Box 9225022
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9149843
BMW E81 E87 LCI E90 Hands-Free Bluetooth Module High MULF2 9149843
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1769052400-1
Mercedes W176 Pressure Crash Impact Sensor Control Module A1769052400
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-9313903-1
BMW 1 Series F20 F21 Rear Bumper PDC Wiring Loom Harness Cables 62395011
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6949628
BMW 5 7 Series E60 E65 E66 Sunroof Sliding Roof Window Drive Unit Motor
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
Part no. 8734740
BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
£161.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6927572
BMW X3 E83 Z4 E85 Wiring Seat Occupancy Cable 6927572
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1699000500
Mercedes W169 W245 Door Control Module Front Left N/S A1699000500
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9177773
BMW F01 F07 F10 F11 Battery Power B+ Distribution Box Rear 9177773
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-7529732
BMW 5 Series E60 E61 520i 525i 530i M54 Petrol Engine Coils Wire Loom 7529732
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 5Q0959592E
Audi A3 8V Front Door Module Control Unit Module Right O/S ECU 5Q0959592E
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2048706826
Mercedes W204 ECU Control Unit Sensor Module Airbag A2048706826
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9266409
Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 9266409
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9153966
BMW E93 ECU Body Control Module H1 PL2 JBBFE 61359153966 9153966
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9251748
BMW E81 E87 E90 E91 E92 LCI Combox Telematics Module Navigation 9251748
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A9065453401
Mercedes Sprinter W906 Fuse Box Relay SAM Module Control Unit A9065453401
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A9079001705
Mercedes Sprinter B907 Ignition Control Module Keyless A9079001705
Promo price
£104.95
£89.21
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8U0955559C
Audi RS3 8V Front Windscreen Rain Light Solar Sensor Unit 8U0955559C
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-7570588
BMW E81 E87 LCI E90 116i 316i N45N Wiring Harness Injection Valve Ignition Loom
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9159813
BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A0045423918
Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9153802
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II NSW Lear 9153802
Promo price
£127.95
£108.76
Free delivery: Feb 10 – 17
If paid before 14:00
-15%
Part no. 8486547
Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT
Promo price
£360.95
£306.81
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2049009004
Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7527610-1
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7527610 + EWS + Key Manual
Promo price
£66.95
£40.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9146710
BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9247472
BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR 9247472
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9240532
BMW E90 LCI Footwell Light Control Module Lear FRM3R PL2 LED 9240532
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1695420018-PLS
Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver 761
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469009112
Control Unit Mercedes W176 W246 Body Control Module BCM ECU A2469009112
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9261111
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9261111
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A6519000601-1
Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
Promo price
£237.95
£142.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0025428819
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6915175
Mini Cooper One R50 Heat Resistant Battery Box Cover 6915175
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6975069
Mini Cooper One R50 R52 R53 Cable Door Right Wiring Harness Loom 6975062
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1669000318
Mercedes-Benz A B Class W176 W246 Front Left N/S Door Control Unit Module ECU
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 3457390
Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457390
Promo price
£113.95
£96.86
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9226331
BMW E87 LCI ECU Body Control Module Unit H2 9226331
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2049014503
Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9805533
Mini R60 Rear PDC Ultrasonic Parking Sensor Royal Grey Metallic 9805533
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2059008618
Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6957123
BMW 3 Series E92 Front Left N/S Door Wiring Cables Harness Loom 6957123
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 3452285
BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"
Promo price
£218.95
£186.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9389657
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9389657
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. N000000008776
Mercedes W177 W247 Battery Clamp Fuse Protection Switch N000000008776
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9131649
Driver Seat Cable BMW E81 E82 E87 E88 Sensor Mat Wiring 9131649
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9249080-1
BMW E87 LCI Footwell Light Control Unit Module ECU Lear FRM3R PL2 9249080
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7544721
BMW X5 E53 Automatic Gearbox Basic Control Unit Module EGS 7544721
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8663284-1
BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9325537
BMW 5 Series F10 Electric Parking Brake Module Cable Wiring Loom 9325537
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7545046-1
BMW 1 3 Series E87 E90 ECU N45 116i 316i Engine Motor Control Unit DME 7545046
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6856747
BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747
Promo price
£113.95
£96.86
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7801158
BMW 3 5 X5 Series E60 N E70 E90 F30 Exhaust Lambda Probe Oxygen Sensor 7801158
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9251984
BMW F10 F11 F20 F21 F30 Control Unit Module Voltage Transformer VSU180 9233143
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7849627
BMW F80 M3 F82 M4 Engine Valvetronic Wiring Cable Loom Harness 7849627
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7589971-8
Mini Cooper R55 R56 Engine N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Manual
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7316536
BMW G30 G11 G12 Sunroof Sliding Roof Drive Unit Motor Actuator
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9189200
BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9189200
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9811224
Mini Cooper One R55 R56 R57 Airbag ECU Control Unit Module 9811224
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2045400708
Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7550017
Mini Cooper One Clubman R55 R56 R58 R59 R60 Starter Motor 1.6 Engine 7550017
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 2751265-7
Cable Wiring Mini R55 R56 Headlight Lamp Front Left N/S Plug Socket 6913653
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469008819
Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6943062
BMW E60 E63 E64 LCI Body module ECU 61356943062 6943062
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0009008004
Parking Module Mercedes W207 W212 PDC Distance Control Unit ECU A0009008004
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469054201
Mercedes CLA C117 W176 Aerial Booster Antenna Amplifier A2469054201
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2059007705
Module Mercedes C205 Transmission Drivetrain Control Module Unit A2059007705
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9191568
BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9191568
Promo price
£284.95
£242.21
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8375964
BMW 5 7 X5 Series E38 E39 E53 Xenon Headlight Aim Control Unit Module 8375964
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9116801
Hands Free Module BMW E60 E90 Everest Motorola Non GPS Phone 9116801
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9114448
BMW 5 Series E61 Touring Body Control Module ECU Control Unit High 9114448
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
Part no. 4L0907282A
Audi A7 4G Q7 4L 3.0 TDI Glow Plug Pre Heat 651 Relay Unit 9 Pins 4L0907282A
£37.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3452071-1
BMW Mini Cooper R55 R56 R57 CCC CD DVD Navigation Sat Nav Head Unit 9185540
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1779000304
Airbag Module Mercedes V177 W177 C118 Air Bag SRS Control Unit ECU A1779000304
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A6397601804
Mercedes Vito W639 Door Handle Bowden Cable Catch Rear Wire A6397601804
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9362848-1
Telematics Module BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Unit 9342881
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7800167
BMW E70 LCI E90 E91 LCI F10 F11 N57 Lead Preheater Wiring System Diesel 7800167
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7574294
Mini Cooper S R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7574294
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1668200689
Antenna Amplifier Mercedes W176 Aerial Module Unit Rear A1668200689
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9176878
BMW E81 Body Control Module Unit BCM ECU L2 9176878
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8P0907063G
Audi A3 8P Body Control Module Unit 8P0907063G
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. BK3112A650BB
Ford Transit MK8 2.2 TDCI Diesel Engine Control Unit Module ECU BK31-12A650-BB
£322.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8P0907279N
Audi A3 8P BCM Body Control Module Unit ECU 8P0907279N
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6962678
BMW E81 E87 E91 Switch Cluster Steering Column Wiper Stalk 6962678
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7394651
BMW 5 F11 Touring Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7333928
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9321022-1
Mini Cooper F55 F56 F57 B+ Junction Terminal Box 300-400 W 9321022
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. A0061512501
Mercedes W203 W204 Diesel Engine Starter Motor A0061512501
£23.95
Free delivery: Feb 09
If paid before 14:00
Part no. 3456051-4
Mini Cooper R56 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
£142.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7515206
Mini Cooper One R50 R52 Battery Alternator Starter Cable Wiring 7515206
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
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 .