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. 9361150
Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9361150
Product currently unavailable
Part no. 8574351-7
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 Lock CAS3 Key Manual
Product currently unavailable
Part no. A2165402945-1
Mercedes ML W164 Distronic Radar Sensor Cruise Control Unit Module A2165402945
Product currently unavailable
Part no. 7801203
BMW X5 E70 E87 F10 F11 F15 F25 F30 Diesel Engine Starter Motor 7801203
Product currently unavailable
Part no. A0008206926
Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module
Product currently unavailable
Part no. 9299946
BMW F06 F07 Body Control Comfort Module Unit ECU 9299946
Product currently unavailable
Part no. A1776204300
Mercedes C118 W177 W247 Battery Box Tray Trim Housing Cover A1776204300
Product currently unavailable
Part no. 8512498-9
BMW E82 X1 E84 E87 LCI 120d N47 177HP Engine ECU DDE 8512498 Manual
Product currently unavailable
Part no. 9297282
BMW 6 Series E63 E63N E64 LCI Battery Cable Lead Positive Underfloor
Product currently unavailable
Part no. 9136039
BMW E60 E63 Body Control Module ECU Control Unit 9136039
Product currently unavailable
Part no. 9640469680-1
Peugeot Partner Glow Plug Relay Control Unit Module 9640469680
Product currently unavailable
Part no. 6764018
BMW Z4 E85 MINI Cooper One R50 R52 R53 Speed Sensor
Product currently unavailable
Part no. 7796571-2
BMW X3 Series E83 2.0d 150HP Engine ECU Kit DDE EWS3 Key 7796571 Manual
Product currently unavailable
Part no. VARTA Silver Dynamic 77Ah Accumulator
VARTA Silver Dynamic Accumulator Battery 77Ah 780A 12V E44
Product currently unavailable
Part no. 9344840
BMW 3 4 Series F80 M3 F82 M4 Adapter Lead Fanfare Horn Cable 9344840
Product currently unavailable
Part no. 7503611
BMW X5 Series E53 3.0i M54 Engine Wiring Loom Harness Module 7503611 7503617
Product currently unavailable
Part no. 6944536
BMW 5 Series E61 Positive Battery Cable Plus Pole Lead 6944536
Product currently unavailable
Part no. 7524109
BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524109
Product currently unavailable
Part no. 8621016
BMW G11 G12 G20 HV Accumulator Battery Negative Ground Cable Wiring Plug 8621016
Product currently unavailable
Part no. 8511385-1
BMW F10 F11 530d N57 245HP Engine Control Unit ECU Module DDE 8511385 Automatic
Product currently unavailable
Part no. 95B971375
Porsche Macan 95B Rain Light Sensor Wiring Harness Cable 95B971375
£13.95
Free delivery - Tue, Nov 11
If paid before 14:00
Part no. A1669008222
Mercedes GLA X156 Central Display Infotainment Sat Nav Media Screen A1669008222
Product currently unavailable
Part no. A6421509478-1
Mercedes W164 ML320 OM642.940 Diesel Engine Unit ECU Kit A6421509478 + Keys
Product currently unavailable
Part no. 9380156
BMW F80 M3 LCI Telematic Control module Comunication Unit ATM ECE 4G 6820726
Product currently unavailable
Part no. 6931707
BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
Product currently unavailable
Part no. 7118854
BMW Z4 Series E85 Cable Loom Wiring Harness Rear Window Heating 7043906
Product currently unavailable
Part no. 7501690-1
BMW 3 5 7 X5 E38 E39 E46 E53 M54 Engine Generator Alternator 120A
Product currently unavailable
Part no. A1685453532
Mercedes W168 ESP + HBA Electronic Stability Program Control Module A1685453532
Product currently unavailable
Part no. 8200766093
Renault 4-Pin Blue Relay 12V 20A G.Cartier 8200766093
Product currently unavailable
Part no. 7649090-1
Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
Product currently unavailable
Part no. A0024463340
Mercedes-Benz W169 W245 Petrol M266 Engine Control Module A2661538479 Manual
Product currently unavailable
Part no. 8E5035223
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman 8E5035223
Product currently unavailable
Part no. A6519000700
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
Product currently unavailable
Part no. 7115655-MYS
BMW 5 X3 Series E60 E61 E83 Front PDC Parking Distance Sensor Mysticblau Blue
Product currently unavailable
Part no. A1635409108
Mercedes-Benz M ML W163 Rear Window Heater Cable Harness Wiring A1635409108
Product currently unavailable
Part no. 7G92-14324-AE
Earth Ground Cable Land Rover Freelander 2 Line Strap Battery Lead 7G92-14324-AE
Product currently unavailable
Part no. 4E0919603K
Audi S8 D3 Multimedia Display MMI Mechanism Carbon Fiber Look 4E0919603K
Product currently unavailable
Part no. WHELEN-EURO-1
Whelen Euro-1 Vehicle Siren Amplifier Booster Module 200W 16A 01-086A664-01
Product currently unavailable
Part no. 6G9T14B533EL
Module Land Rover Freelander 2 ECU Front Door Lock Control Unit 6G9T-14B533-EL
Product currently unavailable
Part no. P56044418AB
Jeep Grand Cherokee 2.7 ENF Engine Control Unit ECU P56044418AB Automatic
Product currently unavailable
Part no. 7640004-9
Mini One R55 R56 Petrol N12 1.4 95HP Engine ECU Kit DME 7640004 CAS3 Key Manual
Product currently unavailable
Part no. 9217234
Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234
Product currently unavailable
Part no. 8379941
BMW X5 Series E53 Interior Roof Trim Cover Ultra Sonic Module Alarm 8379941
Product currently unavailable
Part no. 6927706
BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor
Product currently unavailable
Part no. 9283511
BMW 3 Series F30 Hifi Audio Sound Speakers Amplifier Control Unit ECU 9283511
Product currently unavailable
Part no. 7525696
BMW X5 E53 Ground Battery Cable Alternator Starter 7525696
Product currently unavailable
Part no. 9231179-1
BMW F30 F32 F80 M3 F82 M4 1 Rear Antenna Aerial Amplifier AM/FM DAB
Product currently unavailable
Part no. 7810002
BMW E81 E82 E87 LCI 123d N47S 204HP ECU Engine Control Unit DDE 7810002 Manual
Product currently unavailable
Part no. 9246503
Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503
Product currently unavailable
Part no. 7533270-1
Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
Product currently unavailable
Part no. 6944107
BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6944107
Product currently unavailable
Part no. 7581123-1
BMW E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual
Product currently unavailable
Part no. 8573557
BMW F06 F12 F13 640d N57Z 313HP Engine Module Unit ECU DDE 8573557 Automatic
Product currently unavailable
Part no. A2475459300
Mercedes C118 W177 Fuse Relay Box Housing Upper Cover Lid A2475459300
Product currently unavailable
Part no. 8513242-2
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513242 Automatic
Product currently unavailable
Part no. H1BT18B955EF
Ford Transit Custom Mk1 Dashboard Radio Head Unit Display H1BT-18B955-EF
Product currently unavailable
Part no. A0009061004
Mercedes W213 C238 C257 Parking Brake Actuator Motor A0009061004
Product currently unavailable
Part no. 7560626
BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
Product currently unavailable
Part no. 7E0919475
Volkswagen Transporter T5 Parking Aid Control Module Unit 7E0919475
Product currently unavailable
Part no. A2229000016
Entry Module Mercedes C253 W205 W213 C238 Keyless Go Control Unit A2229000016
Product currently unavailable
Part no. A1718204726
Mercedes R171 SRS Air Module Control Unit ECU A1718204726
Product currently unavailable
Part no. 7302256
BMW F10 M5 Control Unit Module ECU Fuel Pump 7302256
Product currently unavailable
Part no. 9257151-1
Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
Product currently unavailable
Part no. 6933667
BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933667
Product currently unavailable
Part no. rhd-7555018
BMW E92 E93 Engine Wiring Loom Harness Module 323i 325i 330i 7555018
Product currently unavailable
Part no. A6549001400
Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic
Product currently unavailable
Part no. 3449688
BMW X3 E83 LCI Light Control Module Lear LM II LWR 3449688 61353449688
Product currently unavailable
Part no. 9329704
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329704
Product currently unavailable
Part no. A2114452600
Mercedes W211 Central Gateway Control Unit Module ECU A2114452600
Product currently unavailable
Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
Product currently unavailable
Part no. 045906019BM
Skoda Fabia MK1 1.4 TDI AMF 75HP Engine Control Unit ECU 045906019BM Manual
Product currently unavailable
Part no. 5A55AD9
DAB Receiver Module BMW F40 G20 G30 DAB Audio Module Harman Becker 5A55AD9
Product currently unavailable
Part no. 6936310
BMW 3 Series E46 Convertible Wiring Passenger Side Door Cable Harness 6936309
Product currently unavailable
Part no. 275850906R
Engine Wiring Renault Trafic 2 Loom Module Harness Cable 275850906R
Product currently unavailable
Part no. 5N0971100R
Sunroof Wiring Volkswagen VW Tiguan 5N Roof Motor Cable Harness 5N0971100R
Product currently unavailable
Part no. 8591073
BMW F20 F30 LCI 120d 320d ed B47 163HP Engine ECU Unit DDE 8591073 Manual
Product currently unavailable
Part no. 9369635
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
Product currently unavailable
Part no. A2035453201
Mercedes-Benz C CLK W203 C209 Sam Control Module Fuse Box Rear A2035453201
Product currently unavailable
Part no. A1718207026
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207026
Product currently unavailable
Part no. 8638736
Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 8638736
Product currently unavailable
Part no. 9263468
BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
Product currently unavailable
Part no. A2479002312
Mercedes V177 Instrument Cluster Speedometer Module Control Unit ECU A2479002312
Product currently unavailable
Part no. 9231283-IBB
PDC Parking Sensor BMW X5 E70 F10 Ultrasonic Sensor Imperial Blue A899231283
Product currently unavailable
Part no. 7545789-16
Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
Product currently unavailable
Part no. 8654977
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977
Product currently unavailable
Part no. 9329953
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9329953
Product currently unavailable
Part no. 8T0035223M
Audi A5 8T Sound System Audio Amplifier Amp Unit Bang & Olufsen 8T0035223M
Product currently unavailable
Part no. 1387751
BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
Product currently unavailable
Part no. 1K0937124P
Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
Product currently unavailable
Part no. 4L0907566A
AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
Product currently unavailable
Part no. A2319003606
Mercedes R231 Seat Control Unit Module Driver A2319003606
Product currently unavailable
Part no. A2059000146
Mercedes W205 Display Screen Instrument Cluster Speedo Meter Sat Nav A2059000146
Product currently unavailable
Part no. 02Z911024Q
Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q
Product currently unavailable
Part no. 6833256
Pedestrian Protection BMW G20 G21 G28 Crash Sensor Cable Unit Module 6833256
Product currently unavailable
Part no. A2229009519
Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
Product currently unavailable
Part no. 6921593
MINI Cooper One R50 R53 Wave Radio Cassette Headunit Tape Player 6921593
Product currently unavailable
Part no. 3457050-1
Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3457050
Product currently unavailable
Part no. 02M911023
Audi TT 8N Mk1 1.8T Petrol Engine Starter Motor Assembly 0001121022 02M911023
Product currently unavailable
Part no. A2049005112-1
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112
Product currently unavailable
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .