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. 3451927
BMW Mini Cooper One R56 High SPEG DC/DC H3 Fuse Distribution Box 3451927
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6968826
Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6968826
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9224177
BMW F10 F11 F12 F13 F15 F16 Airbag Sensor Module B-pillar Crash Sensor 9224177
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6946384
BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module
Promo price
£32.95
£19.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6906070
BMW X5 E53 Roof Antenna Amplifier Trap Circuit 6906070
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9393953
Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A9069014700
Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
Promo price
£113.95
£96.86
Free delivery: Feb 10 – 17
If paid before 14:00
-40%
Part no. 9348935
BMW X1 F45 F48 Mini F55 F56 F60 Air Module Control Unit Module ECU 9348935
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6974916
BMW 1 3 Series E87 E90 CCC CD Professional Navigation System Controller 6974916
Promo price
£379.95
£322.96
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7539787
BMW Mini Cooper R55 R56 R57 R58 Negative Battery Cable 7539787
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9345374
BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
Promo price
£61.95
£37.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9813878
Mini Cooper One R60 Footwell Light Module High EKS ECU SZT PL3 FRM3R 9813878
Promo price
£151.95
£91.17
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6901269
BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9114135
BMW X5 X6 Series E70 E71 Power Distribution Fuse Box 9114135
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3452105
Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3452105
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 3456995
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456995
Promo price
£132.95
£113.01
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-8513667
BMW X5 E70 LCI X6 E71 Diesel N57 Wiring Harness Engine Gearbox Module 8513667
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9327318
BMW 1 2 3 4 5 F10 F20 F22 F30 F32 Navigation Sat Nav DAB Head Unit High 9327318
Promo price
£180.95
£153.81
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2049012704
Mercedes W204 ECU Control Unit Crash Impact Sensor Air Module A2049012704
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9167198
BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
Promo price
£70.95
£60.31
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6863385
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9176958
BMW E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9176958
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1695450001
Mercedes-Benz A B Class W169 W245 Fuse Box Relay Module Unit A1695450001
Promo price
£16.95
£14.41
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9286941
BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9233009
BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-6954129
BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2038200389
Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 4G0035061N
Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
Promo price
£208.95
£177.61
Free delivery: Feb 09
If paid before 14:00
Part no. 9288769-1
Audio Speaker BMW F20 F21 F23 F30 Mid-Range Sound Speaker Stereo HiFi 9288769
£13.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
Part no. 9224593
BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM3R 9224593
£51.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9185542
BMW X5 E70 CCC Radio CD Player Navigation 9185542
Promo price
£189.95
£161.46
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 7851568
BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568
£66.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6998487
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6998487
Promo price
£132.95
£113.01
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 5Q0959592B
Audi A3 8V Door Module Control Unit Front Passenger Side 5Q0959592B
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1695451940
Mercedes W169 W245 Fuse Box Module Unit A1695451940
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8K0959655B
Audi S5 8T Air Module Control Unit SRS System ECU 8K0959655B
Promo price
£104.95
£89.21
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A9068204126
Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068204126
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9254025
BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9123739
BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 7811700-1
BMW 1 3 Series E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700
£94.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A0345454332
Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9366409
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9366409
Promo price
£80.95
£48.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3414122
BMW X3 E83 Sensor Air Module Front Impact Crash Sensor 3414122
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8W0959655F
Audi A4 B9 Air Module Crash Control Module Unit ECU 8W0959655F
Promo price
£189.95
£161.46
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9298945
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9298945
Promo price
£75.95
£64.56
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9177209-1
Radio Business CD BMW E81 E82 X1 E84 E87 E90 E91 E92 Audio Player 9177209
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9152262
BMW X5 E70 X6 E71 Front Crash Impact Sensor Module 9152262
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8794119
BMW F20 F21 F30 F31 LCI Professional Navigation Sat Nav Unit Head Unit 8794119
Promo price
£284.95
£242.21
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9261598
BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Valencia Orange Metallic B44
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6855558
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6855558
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1695454332
Mercedes-Benz A B Class W169 W245 Sam Control Module Fuse Box Unit A1695454332
Promo price
£32.95
£19.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6990090
BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2079013700
Mercedes-Benz E-Class W207 Windscreen Windshield Rain Sensor Control Unit
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3450343
Ultra-sonic Alarm Mini Cooper R55 R56 System Module 3450343
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9187541-1
BMW E88 ECU Body Control Module H3 PL2 JBBFE II Junction Box 9187541
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1729058200
Mercedes W204 W207 W212 W221 Humidity Temperature Sensor Unit A1729058200
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6927025-1
Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6980078
BMW E88 Antenna Amplifier Aerial Diversity Module AMP 6980078
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0045429118
ECU Module Mercedes W169 W211 W245 Yaw Rate Sensor Unit ESP A0045429118
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A9069005701
Mercedes W639 W906 Air Module SRS Control Unit ECU A9069005701
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 3457587
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
£123.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8362064
BMW E39 X5 E53 Z4 E85 Drive For Window Lifter Motor Right O/S 8362064
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6950181
BMW E93 Aerial Antenna Amplifier Diversity Control Module 6950181 9187798
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1699002000
Head Unit Mercedes W169 W245 CD Player Radio Audio A1699002000
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8378113
BMW Z4 Series E85 E86 Interior Fuse Box 8378113
Promo price
£16.95
£14.41
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9367376
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-1025-04
BMW F20 F21 LCI F23 GPS Navigation Display Screen Android Auto CarPlay 10,25"
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6832924
BMW 4 Series F33 F83 M4 Switch Folding Top Sliding Up Down Roof 9366374
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9239212
BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9239212
Promo price
£189.95
£161.46
Free delivery: Feb 09
If paid before 14:00
Part no. 1K0906093F
Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9353046
MINI Cooper One F54 F55 F56 F60 Seat Airbag Sensor Control Unit Module 9353046
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6994555
Camera Module BMW F10 F20 F12 F87 Reversing Camera Rear View Control 6994555
Promo price
£66.95
£56.91
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 2240943
BMW 5 Series E60 E61 LCI MINI R52 Rear Bumper PDC Ultrasonic Sensor Hot Orange
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
Part no. 8K0915181E
AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A0009001808
Mercedes W205 Park Assist PDC Trunk Control Unit Module A0009001808
Promo price
£56.95
£48.41
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6855995
Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2035450803
Mercedes W203 Battery Terminal Fuse Box Electrical Unit A2035450803
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6955004
BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6934836
BMW E60 E61 E90 E91 Xenon Adaptive Headlight Ballast Control Module 6934836
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6921965
Mini Cooper One R50 R53 Radio Boost CD Player Unit Head 6921965
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9252813
BMW 5 7 Series F01 F02 F10 F11 Power Distribution Fuse Box Rear 9252813
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
Part no. 9203081
BMW E63 Light Control Unit Module LCM LM II E6X LWR 9203081
Product currently unavailable
-5%
Part no. 9224866
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 9366412
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9366412
£37.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2049007508
Mercedes W204 Display Screen Monitor Radio Sat Nav Navigation Unit A2049007508
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9270034
MINI Cooper One F55 F56 F57 Rear Antenna Aerial Amplifier DAB 9270034
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8K0959663B
Audi A5 8T Voltage Converter Stabilizer Control Module Unit ECU 8K0959663B
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7811701-3
BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7811701 CAS3 + Key Manual
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9257160
Bluetooth Combox BMW E81 E87 E90 E91 LCI Telematics Module 9257160
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9122274
BMW E60 E61 LCI Front Cables Set Wiring PDC Parking Sensor Bumper 9122274
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6909776
BMW X5 Series E53 Control Element Light Switch 6909776
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2079011700
Airbag Module Mercedes W204 W207 Air Bag SRS Control Unit ECU A2079011700
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-A6429061100
Engine Starter Motor Mercedes W204 C207 W212 W221 OM642 Diesel A6429061100
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9286780
Module BMW E82 Junction Box Body Comfort Control Unit 9286780
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6977398
BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9866980
BMW F20 Body Control Unit Module REM Fuse Box 9866980
Promo price
£23.95
£14.37
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 .