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. 8P4963553
Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553
Product currently unavailable
Part no. 6919066
BMW E39 X5 E53 Radio Business CD Audio Player Head Unit 6919066
Product currently unavailable
Part no. A2059001336
Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
Product currently unavailable
Part no. 6933867
BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
Product currently unavailable
Part no. A2085450132
Mercedes-Benz W208 Fuse Box Relay Control Unit Electric Module SAM A2085450132
Product currently unavailable
Part no. 93455416
Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 93455416
Product currently unavailable
Part no. 4H0907063BN
Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
Product currently unavailable
Part no. 8645515
BMW X3 F25 X4 F26 Integrated Supply Module 8645515
Product currently unavailable
Part no. A4709060300
Mercedes W470 Diesel Engine Starter Motor A4709060300
Product currently unavailable
Part no. 6920469
BMW E65 E66 E67 Sensor A-pillar Right Airbag 65776920469 6920469
Product currently unavailable
Part no. A6421540402-1
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
Product currently unavailable
Part no. A6519005301-14
Mercedes S212 E220CDI OM651.924 170HP Engine Control Unit ECU Kit A6519005301
Product currently unavailable
Part no. 9308294
BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
Product currently unavailable
Part no. 7798006-1
BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
Product currently unavailable
Part no. 1S0919275D-TOG
Audi Q3 8U PDC Parking Distance Control Sensor Tornado Grey-X7P 1S0919275D
Product currently unavailable
Part no. A0009002013
Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013
Product currently unavailable
Part no. N1WT-14F514-PFD
VW Amarok Mk2 Front Door Wiring Harness Keyless Left Right N/O/S N1WT-14F514-PFD
Product currently unavailable
Part no. A1705450003
Mercedes SLK R170 Fuse Relay Box Cover Trim Panel Lid Housing A1705450003
Product currently unavailable
Part no. 03E906033
VW Polo Petrol Engine Control ECU Manual Siemens 5WP1630440 03E906033
Product currently unavailable
Part no. A2035407907
Mercedes-Benz C W203 200 220 CDI Starter Alternator Wiring Cables A2035407907
Product currently unavailable
Part no. 8K2907115Q-1
Audi A5 8T 2.0 TFSI CDNB 180HP Engine ECU Kit 8K2907115Q 2 Keys + Ignition
Product currently unavailable
Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
Product currently unavailable
Part no. 8513250-1
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual
Product currently unavailable
Part no. 5C0937819R
Volkswagen Beetle 5C Fuse Box Relay Module Unit 5C0937819R
Product currently unavailable
Part no. 8E0907637
Audi A4 B7 YAW Sensor ESP Rotation Rate Acceleration Control Unit 8E0907637
Product currently unavailable
Part no. 6H5214C708AD
Land Rover Freelander 2 Front Seat Module Memory Control Unit 6H5214C708AD
Product currently unavailable
Part no. 9206056-TS
BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354
Product currently unavailable
Part no. 8642585
Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
Product currently unavailable
Part no. 7521383-1
BMW E46 N42 316i 318i Petrol Engine Alternator Generator Remy 7521382
Product currently unavailable
Part no. 8590041
BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786
Product currently unavailable
Part no. A2139052503
Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
Product currently unavailable
Part no. A0009009935
Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
Product currently unavailable
Part no. A4539009506
Smart Fortwo C453 Sat Nav Control Unit Navigation Module Unit A4539009506
Product currently unavailable
Part no. 6967658
BMW E65 E66 Airbag ECU Control Unit Gateway Module 6967658
Product currently unavailable
Part no. A2034404913
Mercedes-Benz CLC CL203 Rear Tailgate Boot Lid Wiring Harness Loom A2034404913
Product currently unavailable
Part no. 6905921
BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
Product currently unavailable
Part no. A6121536379-2
Mercedes ML W163 270 CDI Engine Control ECU Kit Key Automatic A6121536379
Product currently unavailable
Part no. 05L911021
Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
Product currently unavailable
Part no. 8574352-3
BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
Product currently unavailable
Part no. 355013 ampassy 5631b6
Audi A4 B7 Audio Sound System Amplifier Bose 355013 5631B6
Product currently unavailable
Part no. 0AH911023G
Audi Seat Skoda Volkswagen 1.2 TSI Petrol Starter Motor 0AH911023G
Product currently unavailable
Part no. 03D903025J-1
Seat Ibiza Volkswagen Polo Mk5 6R 1.2 Petrol Alternator Generator 03D903025J
Product currently unavailable
Part no. TUNGSTONE Titanium Plus 77Ah Accumulator
TUNGSTONE Titanium Plus Accumulator Battery 12V 77Ah 680A
Product currently unavailable
Part no. 9340997
BMW F21 Door Wiring Front Passenger Door Loom Cables Harness F22 9340997
Product currently unavailable
Part no. 7512912-1
BMW X5 E53 4.4i M62 286HP Engine ECU Kit DME 7512912 + EWS3 + Key Automatic
Product currently unavailable
Part no. 55217672
Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672
Product currently unavailable
Part no. 284B12763R
Smart ForTwo C453 Vauxhall Vivaro Mk2 BCM Body Control Module Unit 284B12763R
Product currently unavailable
Part no. 9231280-TS
BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354
Product currently unavailable
Part no. A2118704726
Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
Product currently unavailable
Part no. 8200660022
Renault Master Laguna 2 Opel Movano A Engine Alternator 14V 150A 8200660022
Product currently unavailable
Part no. 6C1T-12B637-CG
Ford Transit Mk7 2.4 TDCi Diesel Engine Wiring Loom Harness Cables 6C1T12B637CG
Product currently unavailable
Part no. 8516262
BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
Product currently unavailable
Part no. A0009062003
Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
Product currently unavailable
Part no. 2Q0971537AN
Volkswagen Polo Mk6 AW Battery Negative Cable Wiring Earth Line 2Q0971537AN
Product currently unavailable
Part no. 7856817
BMW F90 M5 F91 M8 Battery Cable Wire Lead Positive Alternator Starter B+ 7856817
Product currently unavailable
Part no. 7641652
Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
Product currently unavailable
Part no. A2218208089
Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
Product currently unavailable
Part no. A2215450001
Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001
Product currently unavailable
Part no. 8517874-4
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual
Product currently unavailable
Part no. 9264974
BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974
Product currently unavailable
Part no. 231A07345R
Smart Fortwo C453 Central Door Locking Control Unit Module ECU 231A07345R
Product currently unavailable
Part no. 06K907425B-16
VW Golf VII 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
Product currently unavailable
Part no. A0009067902
Mercedes W204 S204 C204 Alternator Generator 150A 14V 1.8 Petrol A0009067902
Product currently unavailable
Part no. LION 78Ah Accumulator
LION Calcium Accumulator Battery 78Ah 700A 12V
Product currently unavailable
Part no. A2115403432
Mercedes-Benz E -Class S211 Touring Wiring Harness Cable Rear A2115403432
Product currently unavailable
Part no. A1408202526
Mercedes C140 Seat Belt Module Control Unit ECU A1408202526
Product currently unavailable
Part no. 1K0971121CN
VW Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Left N/S 1K0971121CN
Product currently unavailable
Part no. 7576670
BMW X3 E83 LCI 2.5Si N52N 218HP Engine Control Module ECU DME 7576670 Manual
Product currently unavailable
Part no. 3450979-1
Mini R55 Footwell Light Module High ECU Lear PL3 FRM II 3450979
Product currently unavailable
Part no. 3456859
Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
Product currently unavailable
Part no. A2129005212-1
Head Unit Mercedes W212 Radio Navi CD Player For Parts Not Working A2129005212
Product currently unavailable
Part no. 280236951R
Smart Fortwo C453 USB AUX SD Card Socket Slot Port Control Unit 280236951R
Product currently unavailable
Part no. PC3T-19J220-BC-1
VW Volkswagen Amarok Mk2 Front Door Camera Control Unit Left N/S PC3T-19J220-BC
Product currently unavailable
Part no. 03C906024CN
VW Polo 6R 1.4 CGGB 85HP Engine Control Unit ECU Kit 03C906024CN Manual
Product currently unavailable
Part no. A9079007407
Mercedes Sprinter W907 W910 Body Control Module ECU A9079007407
Product currently unavailable
Part no. 7573701-5
Mini Cooper One R55 R56 N12 120HP DME 7573701 Engine Control Unit ECU Automatic
Product currently unavailable
Part no. 057911023E
Audi Q7 4L 4.2 TDI Quattro Engine Starter Motor Actuator 057911023E
Product currently unavailable
Part no. A2035408505
Mercedes-Benz C W203 Rear Tailgate Boot Lid Wiring Harness Loom A2035408505
Product currently unavailable
Part no. 7787581
BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
Product currently unavailable
Part no. 1T0971120AC
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Passenger 1T0971120AC
Product currently unavailable
Part no. 7602118-4
BMW E60 LCI E90 E91 325i 525i N54B30A ECU Kit DME CAS3 Key 7602118 Automatic
Product currently unavailable
Part no. 06K907425B-1
Volkswagen Golf Mk7 GTI 2.0 TFSI CHHA 230HP Engine Control Unit ECU 04L907309B
Product currently unavailable
Part no. 7601305
BMW F10 F11 LCI F13 N63 N63N Petrol Water Pump Adapter Lead Cable Wiring 7601305
Product currently unavailable
Part no. 1K0909605R
Volkswagen Golf Mk5 Seat Skoda Air Control Module Unit 1K0909605R
Product currently unavailable
Part no. 7555361-9
BMW E60 E90 E91 N52 323i 523i 177HP Engine Control ECU DME 7555361 Automatic
Product currently unavailable
Part no. A6398200942
Mercedes-Benz Vito W639 Radio Fan Adapter Control Unit Module A6398200942
Product currently unavailable
Part no. 6C0971349MD
Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
Product currently unavailable
Part no. 7E0971794A
Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
Product currently unavailable
Part no. 3457033
Mini Cooper R59 Footwell Light Module AHL EKS ECU LEAR PL3 FRM3R 3457033
Product currently unavailable
Part no. 8408783
BMW X5 E53 Flap Radio Partition Mounting Part Cover Dashboard 8408783
Product currently unavailable
Part no. A2139063605
SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605
Product currently unavailable
Part no. 1K8971104S
Volkswagen Scirocco Mk3 Rear Number Plate Wiring Harness Cable Loom 1K8971104S
Product currently unavailable
Part no. 2241245
BMW 7 Series E65 E66 PDC Parking Ultrasonic Sensor Front Oxford Green 2 2241245
Product currently unavailable
Part no. 282754515R
Smart Fortwo C453 Comfort Module Control Unit ECU 282754515R
Product currently unavailable
Part no. 02E911023H
Audi A3 Starter Motor Engine Diesel 02E911023H
Product currently unavailable
Part no. 8796289
BMW X3 G01 X4 G02 X5 G05 Battery Terminal Negative Cable Wire Wiring 8796289
Product currently unavailable
Part no. A0315450732
Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732
Product currently unavailable
Part no. A0131541702
Alternator Mercedes W638 OM611 Engine Alternator Generator A0131541702
Product currently unavailable
Part no. A2118707226
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
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 .