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. 8X0959793H
Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
Product currently unavailable
Part no. 9313930
Light Module BMW F10 LCI Control Footwell Lightning ECU Unit FRM3 9313930
Product currently unavailable
Part no. 7590857-3
Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
Product currently unavailable
Part no. 4G0035061S
Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061S
Product currently unavailable
Part no. 8E0054635D
Audi A3 8P TT 8J PDC Parking Distance Control Unit Module 8E0054635D
Product currently unavailable
Part no. 7552176-1
BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME 7552176 CAS2 + Key Manual
Product currently unavailable
Part no. A2118208285
Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
Product currently unavailable
Part no. 7616200-1
Negative Battery Cable BMW E90 E91 E92 E93 Minus Pole IBS 7616200
Product currently unavailable
Part no. 6991582
BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420
Product currently unavailable
Part no. 8518167
BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Automatic
Product currently unavailable
Part no. 81A971104E
Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom 81A971104E
Product currently unavailable
Part no. 9210508
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9210508
Product currently unavailable
Part no. A2038206489
Mercedes W203 Aerial Antenna Amplifier Module Unit A2038206489
Product currently unavailable
Part no. A1729000814
Head Unit Mercedes SLK R172 Radio Media Sat Nav Unit Switch Panel A1729000814
Product currently unavailable
Part no. 06K903026C
Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C
Product currently unavailable
Part no. A4475460064
Mercedes W447 Fuse Box Module Cover Trim Trunk A4475460064
Product currently unavailable
Part no. 3456393
Mini Cooper R56 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
Product currently unavailable
Part no. 6775949
BMW E90 E91 E92 Longitudinal Dynamic Module Cruise Control 6775949
Product currently unavailable
Part no. 085911023JX
VW Volkswagen Polo 6N 1.4 APQ Petrol Starter Motor 085911023JX
Product currently unavailable
Part no. 252300973R
Renault Trafic III Vauxhall Vivaro B Relay 4-Pin Blue Electrical Unit 252300973R
Product currently unavailable
Part no. 7513338
Mini Cooper R50 R52 Automatic Gearbox Transmission Signal Control Module 7513338
Product currently unavailable
Part no. 6879835
Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835
Product currently unavailable
Part no. 4G0907553F
Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
Product currently unavailable
Part no. A1695407705
Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Front Left N/S
Product currently unavailable
Part no. 8T0907468P
Audi S5 8T Gateway Control Unit Module ECU 8T0907468P
Product currently unavailable
Part no. A6511505520
Engine Wiring Mercedes W906 OM651.955 Euro 5 Cable Loom Harness A6511505520
Product currently unavailable
Part no. A1729004004-1
Mercedes W204 Display Screen Multifunction Navigation Dashboard A1729004004
Product currently unavailable
Part no. A2385407716
Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716
Product currently unavailable
Part no. A2048203285
Mercedes W204 Xenon Headlight Ballast Control Unit Module A2048203285
Product currently unavailable
Part no. 6782283
BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
Product currently unavailable
Part no. 9384687
BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
Product currently unavailable
Part no. 7519721-1
BMW 3 5 7 X3 E46 E60 E61 E65 E83 M54 Alternator Generator 150A TG15C018
Product currently unavailable
Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
Product currently unavailable
Part no. 7823934-1
Mini Cooper D R55 R56 Diesel W16 1.6 109HP ECU Kit DDE 7823934 CAS3 + Key Manual
Product currently unavailable
Part no. A4475407880
Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
Product currently unavailable
Part no. 9185524
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
Product currently unavailable
Part no. 6952296
BMW 1 3 X1 Z4 Series E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6952296
Product currently unavailable
Part no. 6826790-1
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav GPS Unit High 9387565
Product currently unavailable
Part no. 9233034-SBR
PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
Product currently unavailable
Part no. 04L907309A
Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
Product currently unavailable
Part no. 4B0057186PX-1
Audi TT 8N Radio Stereo Player Head Unit Chorus 4B0057186PX
Product currently unavailable
Part no. 9873545
PDC Module BMW F40 G20 G21 Parking Assistant Control Unit Module ECU 9873545
Product currently unavailable
Part no. 7605060
BMW F20 F21 F30 LCI DENSO 170A Alternator Generator 7605060
Product currently unavailable
Part no. 3453736
Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
Product currently unavailable
Part no. 7587548-6
Mini R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Automatic
Product currently unavailable
Part no. 03G903016EX
Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX
Product currently unavailable
Part no. A2045455401
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
Product currently unavailable
Part no. A2095452432
Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
Product currently unavailable
Part no. A2709060700
Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
Product currently unavailable
Part no. 3457029
Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3457029
Product currently unavailable
Part no. 7812500-5
BMW E60 E61 LCI 520d N47 Diesel Engine Control Unit ECU DDE 7812500 Manual
Product currently unavailable
Part no. 3508099
BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099
Product currently unavailable
Part no. 6913085
BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
Product currently unavailable
Part no. 4M0035456A
Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
Product currently unavailable
Part no. 9340997
BMW F21 Door Wiring Front Passenger Door Loom Cables Harness F22 9340997
Product currently unavailable
Part no. 9143156
BMW E90 LCI Amplifier Hifi Speaker System Control Unit Module 9143156 6960925
Product currently unavailable
Part no. 7557395-3
Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
Product currently unavailable
Part no. 4K0906121C
Fuel Pump Control Audi A4 B9 A5 F5 A6 C8 Pump Unit Module ECU 4K0906121C
Product currently unavailable
Part no. 9167201
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201
Product currently unavailable
Part no. 7527610-6
MINI R50 One 1.6 W10 90HP Engine ECU Kit DME + EWS + Key 7527610 Automatic
Product currently unavailable
Part no. A1635454032
Mercedes W163 ECU Start Engine Control Unit Immobilizer Ring A1635454032
Product currently unavailable
Part no. 7304593
Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
Product currently unavailable
Part no. 03C903023A
Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A
Product currently unavailable
Part no. 02Z911023N
Volkswagen VW Golf VI Engine Starter Motor 1.6TDI 2.0 TDI Diesel 02Z911023N
Product currently unavailable
Part no. 7N0880742
Volkswagen Sharan 7N Head Air Module Roof Side Curtain Right O/S 7N0880742
Product currently unavailable
Part no. 7933357
Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
Product currently unavailable
Part no. 9357988
Head Unit BMW F30 F31 F32 Radio Professional CD Player Control Module 9357988
Product currently unavailable
Part no. 9120776
BMW 5 Series E60 E61 Cable Set Door Wiring Loom Harness Driver's Side 9120773
Product currently unavailable
Part no. 9273188-1
Navigation Head Unit BMW E81 E87 E90 LCI Car Computer Sat Nav CIC 9273188
Product currently unavailable
Part no. A6071500133
Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500133
Product currently unavailable
Part no. 9229740
BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 9229740
Product currently unavailable
Part no. 8709210-1
Body Control BMW F30 F35 F35 LCI BCM Comfort Module Unit BCM 8709210
Product currently unavailable
Part no. 6935667-2
BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
Product currently unavailable
Part no. 8518269-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control ECU Kit DDE 8518269 + CAS3 + Keys
Product currently unavailable
Part no. 9299272
Radio Stereo BMW F20 F30 F31 Professional CD DAB Nav Head Unit 9299272
Product currently unavailable
Part no. 7789376-3
BMW X5 E53 3.0d M57 184HP ECU Kit DDE 7789376 + EWS3 + Keys Automatic
Product currently unavailable
Part no. 9286780
Module BMW E82 Junction Box Body Comfort Control Unit 9286780
Product currently unavailable
Part no. 6906613
BMW E87 E90 E91 Power Distribution Fuse Box Front 6906613
Product currently unavailable
Part no. 6857942
BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
Product currently unavailable
Part no. A6421508100-1
Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key Lock
Product currently unavailable
Part no. 04L903017A-1
Audi A4 B8 3.0 TDI CAPA Diesel Alternator 04L903017A
Product currently unavailable
Part no. A2095451401
Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
Product currently unavailable
Part no. 8019683
BMW E60 E61 Rear PDC Parking Sensor Orientblau Orient Blue 8019683
Product currently unavailable
Part no. 9236459
BMW F07 GT Light Control Footwell Module Unit ECU FRM III 9236459
Product currently unavailable
Part no. 1438941
BMW X5 SERIES E53 GROUND CABLE ALTERNATOR PETROL 1438941
Product currently unavailable
Part no. 8U0959107
Audi Q3 8U Boot Tailgate Control module Unit 8U0959107
Product currently unavailable
Part no. 3420851-1
Boardmonitor BMW X3 E83 Central Information Display Screen 6,5" 3420851
Product currently unavailable
Part no. 9143440
CD Changer BMW E65 E66 6-fold CD Disc Changer Without Magazine 9143440
Product currently unavailable
Part no. 3452092
Mini Cooper One R56 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
Product currently unavailable
Part no. 8510221-12
BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Kit DDE 8510221 CAS3 Key Manual
Product currently unavailable
Part no. 9350332
Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
Product currently unavailable
Part no. A2465409711
Seat Wiring Mercedes C117 W176 W246 Loom Harness Cable Left N/S A2465409711
Product currently unavailable
Part no. A9064461142
Air Module Mercedes W639 W906 Control Unit ECU A9064461142
Product currently unavailable
Part no. 7520019-1
Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Manual
Product currently unavailable
Part no. 7577664
BMW E60 E61 LCI 550i N62N 367HP Engine Unit Module ECU DME 7577664 Manual
Product currently unavailable
Part no. 8680374-1
BMW F45 Alternator Generator 14V 180A DENSO 8680374
Product currently unavailable
Part no. A2129006724-1
Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
Product currently unavailable
Part no. 7589971
Mini Cooper R55 R56 Petrol N12 120HP Engine Control Unit ECU DME 7589971 Manual
Product currently unavailable
Part no. 2448166
Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166
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 .