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.
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Part no. rhd-3412569
BMW X3 E83 Front Left Door Passenger Side N/S Wiring Loom Harness Cables 3412569
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A1775404910
Cable Wiring Mercedes W177 W247 Fuel Pump Sending Unit Plug Socket A1775404910
£37.95
Free delivery: Feb 10
If paid before 14:00
Part no. 5A08150
BMW F36 CD Player Radio Sat Nav Navigation Head Unit 5A08150
£398.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9237055
Antenna Diversity BMW F07 GT Control Unit Module Aeral Amplifier 868 MHZ 9237055
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 7L0959933E
Volkswagen Touareg 7L Body Comfort Module Control Unit ECU 7L0959933E
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8168035-1
BMW E60 Trunk Open Cable Boot Lid Tailgate Release Wiring 8360676
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 7391043
BMW F10 X1 F48 Mini F54 Rear Tailgate Smart Opener Bottom Wire Sensor 7391043
£28.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8602994
BMW 1 X1 X2 Series F39 F40 F48 Mini Cooper One F55 F56 Earth Cable Wire 8602994
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2218700091
Air Con Module Mercedes W216 W221 Air Conditioning A/C Control A2218700091
£37.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8R0907468L
Audi A5 8F Gateway Control Unit Module ECU 8R0907468L
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 7581848
BMW E81 E87 LCI E90 116i 316i N45N 116HP Engine ECU Unit DME 7581848 Manual
£189.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8H0951178
Audi A4 B7 Cabrio Alarm Signal Body Control Sensor Module Unit 8H0951178
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2239001926
Mercedes W206 Door Module Control Unit Rear Left N/S A2239001926
£47.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9246187
BMW E93 Audio Radio Sound Amplifier Unit HIFI System Lear 9246187
£332.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9159310
BMW F10 Central Sensor LOW 9159310
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 4L0959794B
Audi Q7 4L Door Control Module Electrical Unit ECU Rear Right O/S 4L0959794B
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9315152
BMW X3 F25 Fuse Box Grouping Map Diagram Location 9315152
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9387234
Mini F55 Fuse Box Front Body Control Module ECU BCM Unit 9387234
£118.95
Free delivery: Feb 10
If paid before 14:00
Part no. 7794911
BMW E87 E90 E91 Cable Alternator Starter Base B 7794911
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A4209003305
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit Module A4209003305
£189.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8678968
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968
£142.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9250459
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459
£32.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9247472-2
BMW E84 ECU Body Control Module Junction Box H2 9247472
£18.95
Free delivery: Feb 10
If paid before 14:00
Part no. 3AA919475N
Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N
£37.95
Free delivery: Feb 10
If paid before 14:00
Part no. 7843335
BMW F10 M5 F12 M6 Engine Wiring Harness Valvetronic Servomotor Cyl.1-4 7843335
£42.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8509722
BMW 1 Series F20 F21 F22 F30 F31 F35 Control Unit Box Engine 8509722
£18.95
Free delivery: Feb 10
If paid before 14:00
Part no. 6798937
BMW F11 Touring Air Suspension Control Unit ECU Rear Axle Module 6798937
£56.95
Free delivery: Feb 10
If paid before 14:00
Part no. A0009054807
Mercedes W118 W177 W206 W247 NOX Sensor A0009054807
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9311035
Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
£237.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9262753-1
Dashboard Display BMW F30 F31 F80 M3 Central Information Screen 6,5" 9262753
£28.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9383048
BMW Z4 E89 Footwell Light Control Unit Module ECU LED XE Lear FRM3R PL2 9383048
£127.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9350002
Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 9350002
£47.95
Free delivery: Feb 10
If paid before 14:00
Part no. rhd-A2075400433
Mercedes W207 Door Cable Wiring Harness Loom Front Left Door N/S A2075400433
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 6884357
BMW X5 F15 Towing Hitch Trailer Hook Module Control Unit ECU 6884357
£66.95
Free delivery: Feb 10
If paid before 14:00
Part no. A1775403131
Mercedes w177 Sensor Wiring Harness Cable Front A1775403131
£23.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2056105402
Mercedes W205 Battery Recess Trunk Floor Battery Box Base Plate A2056105402
£18.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9286249
BMW 3 Series F30 F31 Rear Door Wiring Loom Cable Harness 9286249
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. rhd-9292244-2
BMW F20 F21 F22 F23 Central Information Display Screen 6,5" Radio Nav 9292244
£23.95
Free delivery: Feb 10
If paid before 14:00
Part no. A4475401011
Mercedes W447 Horn Signal Wiring Connector Electrical Cable A4475401011
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2118205885
Mercedes E-Class S-Class W211 W220 Nokia Phone Control Unit Module ECU
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A1688200289
Mercedes W168 Antenna Amplifier Unit Roof Rear Rail A1688200289
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8K0915181D
Audi Q7 4L A1 8X Negative Battery Cable Lead Monitoring Module 8K0915181D
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8K0959792S
Audi A4 B8 Front Door Control Module Unit ECU Passenger Side 8K0959792S
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A1669003607
Mercedes X166 Air Suspension Control Unit Module A1669003607
£113.95
Free delivery: Feb 10
If paid before 14:00
Part no. A1729009302
Mercedes W212 W221 Media Interface Control Unit Module A1729009302
£18.95
Free delivery: Feb 10
If paid before 14:00
Part no. 1J0906381B
Audi TT 8N Fuse Box Relay Control Unit Module 1J0906381B
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9238195
Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8T0959795H
Audi A4 B8 Door Control Module Unit ECU Rear Left Right N/O/S 8T0959795H
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9139905
Mini Cooper F55 F56 Head Unit Basic Media Navigation Headunit 9139905
£246.95
Free delivery: Feb 10
If paid before 14:00
Part no. A9065410140
Mercedes-Benz Sprinter W906 Battery Tray Holder Mounting Bracket A9065410140
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9121903
BMW E81 E87 E91 Switch Cluster Steering Column Cruise Control 9121903
£165.95
Free delivery: Feb 10
If paid before 14:00
Part no. 6857124
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6857124
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 5G0971175B
VW Volkswagen Golf R 7 Rear Tailgate Boot Lid Wiring Adapter Loom 5G0971175B
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2535403210
Door Wiring Mercedes X253 Front Right O/S Door Harness Loom A2535403210
£66.95
Free delivery: Feb 10
If paid before 14:00
Part no. 6820464
Mini Cooper F55 F56 Control Unit Module Active Sound Design Amplifier 6820464
£94.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2649001200
Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200
£189.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2046190048
Mercedes-Benz C W204 Rear Battery Support Holder Mount Bracket A2046190048
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9383063
Mini Cooper F55 F56 Navigation DAB Head Unit Sat Nav Professional 9383063
£189.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9248361
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9248361
£189.95
Free delivery: Feb 10
If paid before 14:00
Part no. A6079001800-1
Mercedes W176 A180 CDI OM607.951 109HP Engine ECU Kit A6079001800 Automatic
£189.95
Free delivery: Feb 11 – 18
If paid before 14:00
Part no. A6519000700-1
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
£332.95
Free delivery: Feb 10
If paid before 14:00
Part no. A6519007500-5
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
£265.95
Free delivery: Feb 10
If paid before 14:00
Part no. rhd-A2475459400
Mercedes C118 W177 W247 Front Battery Box Tray Housing Cover A2475459400
£18.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8T0959760B
Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
£47.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2129001900
Mercedes W164 W204 W221 W251 Fuel Pump Module Control Unit A2129001900
£32.95
Free delivery: Feb 10
If paid before 14:00
Part no. 5F0035858A
Seat Leon Mk3 5F Radio Head Unit Multi Media CD Player Sat Nav 5F0035858A
£23.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9303543
BMW F20 F30 F31 Fuse Box Electrical Power Distribution 9303543
£47.95
Free delivery: Feb 10
If paid before 14:00
Part no. 5B547A5
BMW E65 E66 E67 Control Unit Door Front Passenger Side 5B547A5
£56.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9360501-2
Distribution Fuse Box BMW F40 F48 Mini F56 Rear Electric Power Fuse Box 9360501
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 6934610
BMW Z4 Series E85 Roadster Passenger Side Door Cable Harness Wiring 6934610
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8715685
BMW F40 Mini F55 F56 Mid Range Sound Speaker Front Door Stereo 8715685
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 7L0907719A
Volkswagen Touareg Anti Theft Alarm System Control Module Unit ECU 7L0907719A
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. rhd-A4475406750
Mercedes W447 Door Wiring Harness Front Left Right N/O/S Wiring Loom A4475406750
£32.95
Free delivery: Feb 10
If paid before 14:00
Part no. 4G8959793G
Audi RS6 C7 Front Door Module Driver's Side Control Unit ECU 4G8959793G
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. rhd-9287541
Head Up Display BMW F30 F31 Hud Projector Dash Screen Control Module 9287541
£75.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8518268-2
BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual
£75.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8K0959792C
Audi A4 B8 Door Module Control Unit ECU Front Front Left N/S Side 8K0959792C
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 7823731
BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B
£18.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2059006337
Safety Module Mercedes S205 Airbag Belt Tensioner Control Module SRS A2059006337
£161.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8W0959595H
Audi A5 F5 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595H
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9247386
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9247386
£37.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9343304
BMW X5 F15 X4 F26 Antenna Aerial Diversity Trap Circuit Control Module 9343304
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 3456421
Mini Roadster R59 Aerial Roof Antenna Base Module 3456421
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A6401502379-1
Mercedes W169 A160 CDI OM640.941 82HP Engine ECU Kit A6401501091 Key Automatic
£142.95
Free delivery: Feb 10
If paid before 14:00
Part no. A2479003808
Suspension Module Mercedes C118 W177 W247 Control Unit ECU A2479003808
£75.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8V0971085G
Audi A3 8V Front Bumper Crash Impact Sensor Wiring Harness Loom Cable 8V0971085G
£89.95
Free delivery: Feb 10
If paid before 14:00
Part no. 04L907309AB
Audi Q3 8U 2.0 TDI DFUA 184HP Quattro Engine Control ECU 04L907309AB Automatic
£56.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9381837
BMW X1 F48 Mini F55 F56 Air Module Control Unit ECU 9381837
£70.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9343287
BMW i3 I01 Mini F56 Air Conditioning System A/C Control Unit Module 9343287
£66.95
Free delivery: Feb 10
If paid before 14:00
Part no. 4KE907468J
Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468J
£189.95
Free delivery: Feb 10
If paid before 14:00
Part no. A0045468540
Mercedes W221 Distributor Box Block Control Unit Relay A0045468540
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A1775403431
Battery Cable Mercedes W177 W247 Negative Lead Wiring Harness A1775403431
£32.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9232163
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 Lear 9232163
£32.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9259469
BMW X3 F25 Fuse Box Power Distribution Control Unit Module Rear 9259469
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8510829-2
BMW E90 E91 LCI N47N 320d Engine ECU KIT DDE CAS 3 + Key 8510829 Automatic
£189.95
Free delivery: Feb 10
If paid before 14:00
Part no. 9273182
BMW X5 E70 X6 E71 Navigation System Car Computer CIC DAB 9273182
£332.95
Free delivery: Feb 10
If paid before 14:00
Part no. A9065450003-3
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Black A6395450003
£13.95
Free delivery: Feb 10
If paid before 14:00
Part no. A6395406209
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406209
£18.95
Free delivery: Feb 10
If paid before 14:00
Part no. 8516122
Battery Cable BMW X5 F15 X6 F16 Alternator Starter Wiring Loom Harness 8516122
£23.95
Free delivery: Feb 10
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 .