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. 5Q0959592B
Audi A3 8V Door Module Control Unit Front Passenger Side 5Q0959592B
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1695451940
Mercedes W169 W245 Fuse Box Module Unit A1695451940
£28.95
Free delivery: Mar 23
If paid before 14:00
Part no. 8K0959663B
Audi A5 8T Voltage Converter Stabilizer Control Module Unit ECU 8K0959663B
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 7520933
Mini Cooper One W10 R52 Wiring Harness Loom Engine 7520933 7531839 7514274
£23.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6859714-1
BMW X5 E70 X6 E71 Air Suspension Supply Compressor Valve Control Unit 6859714
£28.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1699000700
Mercedes A B Class W169 W245 Door Control Module Front Right O/S A1699000700
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
£32.95
Free delivery: Mar 23
If paid before 14:00
Part no. rhd-A2034408932
Mercedes W203 Battery Starter Wiring Harness Cable A2034408932
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9240527-1
BMW E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
£113.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6826326
BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326
£56.95
Free delivery: Mar 23
If paid before 14:00
Part no. 4H0907658
Audi A3 8V A5 8T A6 A7 Air Quality Sensor Control Unit 4H09076588
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 3414122
BMW X3 E83 Sensor Air Module Front Impact Crash Sensor 3414122
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1669003309
Mercedes W176 W204 W246 Headlight Headlamp Range Control Unit Module A1669003309
£37.95
Free delivery: Mar 23
If paid before 14:00
Part no. rhd-A2044402613
Battery Cable Mercedes W204 Positive Alternator Wiring A2044402613
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9129433
BMW 5 6 Series E60 E61 E63 E64 LCI CD Changer Cartridge Magazine 9129433
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 1439674
BMW X5 E53 Base B Positive Battery Terminal Cable Cover Compartment
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A2129003408
Mercedes W204 W221 Fuel Pump Module Control Unit A2129003408
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 1393415
BMW 3 5 7 Series E36 E38 E90 E91 F10 F11 Change-Over Contact Relay Grey 1393415
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1698204185
Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
£37.95
Free delivery: Mar 23
If paid before 14:00
Part no. 4G0907397Q
Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q
£28.95
Free delivery: Mar 23
If paid before 14:00
Part no. 8W0959655F
Audi A4 B9 Air Module Crash Control Module Unit ECU 8W0959655F
£189.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9329702
BMW F20 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9329702
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 3D0951253A
VW Volkswagen Audi Seat Skoda Relay Black 5 Pins 12V 50A Set 433 3D0951253A
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 8795213
BMW F20 F21 F30 F31 Wire Cable Screen Connector Monitor Display 8795213 8795212
£37.95
Free delivery: Mar 23
If paid before 14:00
Part no. 3451927
Mini Cooper One R56 High SPEG DC/DC H3 Fuse Distribution Box 3451927
£28.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9152262
BMW X5 E70 X6 E71 Front Crash Impact Sensor Module 9152262
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9159808-1
BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
£113.95
Free delivery: Mar 23
If paid before 14:00
Part no. A2129006318
Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2129006318
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6906070
BMW X5 E53 Roof Antenna Amplifier Trap Circuit 6906070
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A0035464240
Mercedes W906 Distributor Box Battery Cable Unit A0035464240
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1695405645-1
Mercedes W169 SAM Module Control Fuse Box Unit A1695405645
£23.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9196936
BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 6926371
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 4M0959651
Front Crash Impact Audi A4 B9 A5 F5 Air Module Sensor Unit 4M0959651
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9348935
BMW X1 F45 F48 Mini F55 F56 F60 Air Module Control Unit Module ECU 9348935
£113.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1729058200
Mercedes W204 W207 W212 W221 Humidity Temperature Sensor Unit A1729058200
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6974916
BMW 1 3 Series E87 E90 CCC CD Professional Navigation System Controller 6974916
£379.95
Free delivery: Mar 23
If paid before 14:00
Part no. 7539787
BMW Mini Cooper R55 R56 R57 R58 Negative Battery Cable 7539787
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9345374
BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
£61.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6901269
BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 3457587
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
£123.95
Free delivery: Mar 23
If paid before 14:00
Part no. 5Q0959592E
Audi A3 8V Front Door Module Control Unit Module Right O/S ECU 5Q0959592E
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9367376
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376
£56.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9264916
BMW E82 E88 E92 E93 LCI Control Unit Airbag ECU NO CRASH DATA 9264916
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9114135
BMW X5 X6 Series E70 E71 Power Distribution Fuse Box 9114135
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 3452105
Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3452105
£56.95
Free delivery: Mar 23
If paid before 14:00
Part no. A2038207385
Mercedes W203 ECU Control Unit Crash Impact Sensor Module Air Module A2038207385
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 3456995
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456995
£132.95
Free delivery: Mar 23
If paid before 14:00
Part no. rhd-8513667
BMW X5 E70 LCI X6 E71 Diesel N57 Wiring Harness Engine Gearbox Module 8513667
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6959011
Mini Convertible Cabrio R52 Amplifier Speakers Audio Hifi Harman Kardon 6959011
£213.95
Free delivery: Mar 23
If paid before 14:00
Part no. A0009067702
Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702
£75.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6860962
BMW X3 F25 ECU ICM Control Unit Air Module Bag Safety 6860962 0265020494
£161.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9167198
BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
£70.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6863385
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385
£23.95
Free delivery: Mar 23
If paid before 14:00
Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1695450001
Mercedes-Benz A B Class W169 W245 Fuse Box Relay Module Unit A1695450001
£16.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1719010100
Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
£37.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9233009
BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. rhd-6954129
BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 7557395-15
MINI S R52 R53 W11 170HP Engine Control Unit ECU DME 7557395 Manual Gearbox
£37.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
£56.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9185542
BMW X5 E70 CCC Radio CD Player Navigation 9185542
£189.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 7851568
BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568
£66.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1729000402
Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402
£89.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6998487
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6998487
£132.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9168833
BMW E60 E60N E63 E63N Body Control Module ECU Control Unit 9168833
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A9068204126
Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068204126
£23.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9254025
BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. A0141542702
Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702
£66.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9263797-1
BMW X1 E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797
£85.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9329701
BCM Module BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701
£23.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9123739
BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A2079011700
Airbag Module Mercedes W204 W207 Air Bag SRS Control Unit ECU A2079011700
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. rhd-A6429061100
Engine Starter Motor Mercedes W204 C207 W212 W221 OM642 Diesel A6429061100
£32.95
Free delivery: Mar 23
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: Mar 23
If paid before 14:00
Part no. 9187541-2
BMW E93 ECU Body Control Module H3 Junction Box 9187541
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9366409
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9366409
£80.95
Free delivery: Mar 23
If paid before 14:00
Part no. A0009003704
Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9177985
BMW E88 ECU Body Control Module H3 Junction Box 9177985
£23.95
Free delivery: Mar 23
If paid before 14:00
Part no. A2129006012
Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2129006012
£75.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9866980
BMW F20 Body Control Unit Module REM Fuse Box 9866980
£23.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9149242
BMW 5 6 Series E60 LCI E63 CHAMP Business System Controller CD Player 9149242
£66.95
Free delivery: Mar 23
If paid before 14:00
Part no. 8583451
BMW F20 F21 F30 LCI F32 Engine Starter Motor Diesel B37 B47 8583451
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9317872
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784
£37.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9197354
BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9298945
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9298945
£75.95
Free delivery: Mar 23
If paid before 14:00
Part no. A0025467940
Receptacle Housing Mercedes W164 W203 W639 Dashboard Wiring Harness A0025467940
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9261598
BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Valencia Orange Metallic B44
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6855558
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6855558
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6990090
BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9145349
BMW 3 5 X3 X5 Series E39 E46 E53 E83 Control Unit Control Unit EWS IV 9145349
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9331597
BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597
£28.95
Free delivery: Mar 23
If paid before 14:00
Part no. 3450343
Ultra-sonic Alarm Mini Cooper R55 R56 System Module 3450343
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. 9187541-1
BMW E88 ECU Body Control Module H3 PL2 JBBFE II Junction Box 9187541
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 7640755
BMW 1 3 Series F20 F21 F30 F31 N13 116i 316i 136HP ECU Kit DME 7640755 Manual
£303.95
Free delivery: Mar 23
If paid before 14:00
Part no. 7621168
BMW F20 F21 F30 F31 Earth Cable Battery Engine N47N N13 7621168
£18.95
Free delivery: Mar 23
If paid before 14:00
Part no. 6927025-1
Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
£13.95
Free delivery: Mar 23
If paid before 14:00
Part no. A1645400672
Fuse Box Mercedes ML W164 Relay Module Front Control Unit Module A1645400672
£113.95
Free delivery: Mar 24 – 31
If paid before 14:00
Part no. 6980078
BMW E88 Antenna Amplifier Aerial Diversity Module AMP 6980078
£23.95
Free delivery: Mar 23
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 .