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

-15%
Part no. 7199997
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 7199997
Promo price
€47.95
€40.76
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 8S0963553D
Volkswagen Skoda Seat Audi Seat Pressure Sensor Front Passenger Side 8S0963553D
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. A2649000700-2
Mercedes W205 C 200 264915 264.915 184HP Engine ECU Module A2649000700 Automatic
Promo price
€246.95
€148.17
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A0025421419
Mercedes W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 9247468
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9247468
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. A0025428919
Relay Mercedes W176 W246 5-Pin Yellow Hella 12V A0025428919
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. A9079000304
Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304
€66.95
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 8593105
BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6964140
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933264
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 9237085
BMW F10 F11 Cable Loom Door Passenger Side Wiring Harness 9240882
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 8510829-3
BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual
Promo price
€47.95
€28.77
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 9231280-TS
BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6928975
Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A0061514501
Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 9290990
Head Unit BMW F20 F21 F30 Radio Professional CD Player Controller Module 9290990
Promo price
€322.95
€274.51
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A2025402373-1
Mercedes A C E Class 1 W169 W203 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A1638200089
Mercedes-Benz M-Class ML W163 Radio Aerial Antenna Amplifier A1638200089
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A2215408245
Mercedes W221 Air Suspension Control Unit Module ECU A2215408245
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 9289637
BMW F10 Rear Window Parcel Shelf Loudspeaker Speaker Left Right N/O/S 9289637
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A2139001722
Mercedes W213 W907 Transmission Gearbox Control Unit Module ECU A2139001722
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6964142
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A2115458532
Mercedes W211 W219 Body Control Module Control Unit ECU A2115458532
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 6922652-1
BMW 3 X3 X5 E70 E91 E83 1 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
Promo price
€39.95
€23.97
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 6834091
BMW F87 F80 F82 Audio Amplifier Harman Becker Active Sound Design System 6834091
Promo price
€99.95
€59.97
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A2139000814
Mercedes W205 W213 C238 Tailgate Lift Boot Lid Control Unit Module A2139000814
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A2465411005
Battery Cover Mercedes C117 W176 W246 Box Trim Lid Panel Housing A2465411005
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 7622980
Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 5WA907007AC
Volkswagen Golf Mk8 Air Conditioning A/C Control Unit Module 5WA907007AB
€113.95
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 7248172
BMW 5 Series F10 F11 Drive Window Lifter Motor Front Rear Right O/S 7248172
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 237103888R
Renault Trafic 3 R9M 1.6 DCI Engine Control Unit Module ECU 237103888R Manual
Promo price
€113.95
€68.37
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 8U0955559B
Audi A5 8T Windscreen Rain Sensor Control Unit 8U0955559B
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6945145
BMW E60 E61 E63 Air Control Module Passenger Side Door 6945145
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6940624
BMW E81 E87 E90 E91 E92 Ultrasonic-sensor PDC Arktis Metallic A34 6940624
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 8507906
BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 7850609
BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
€28.95
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 5G0035820A
Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A
€51.95
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 9381020
BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9381020
€89.95
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A2469000516
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469000516
Promo price
€113.95
€96.86
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. P0148459-BRG1
Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 9306220
Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 9284272
BMW F10 Body Control Module Electronic Junction Box 9284272
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 8X0915181
Audi A4 B8 A5 8T TT Mk2 Negative Battery Terminal Cable Lead 8X0915181
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 7587548-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS 3 + Key Manual
Product currently unavailable

-15%
Part no. 9244261
Module BMW F10 Central Gateway Control Unit Module ZGW-01 High 9244261
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 8507398
Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 9810737980
Citroen Relay 35 L Fuel Pump Carrier Bracket Holder Housing 9810737980
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 8519663-1
Mini Cooper SD R56 LCI N47N 143HP Diesel Engine ECU Kit DDE 8519663 CAS 3 Key
Product currently unavailable

-5%
Part no. A0035423019
Power Relay Control Mercedes W176 W246 Module 4 Pin 12V 20A A0035423019
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 9267511
BMW X5 E70 Body Control Module Main Primary ECU Unit JBBFEIII R LP 9267511
Promo price
€165.95
€99.57
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 9266838
BMW X3 F15 Can Bus Interface 120Ohm Control Module Unit ECU 9266838
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 7518610
BMW E65 E66 E67 Earth Ground Battery Strap Cable 7518610
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
Promo price
€89.95
€53.97
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 8654632
BMW F40 F44 F45 Mini Cooper F55 F56 Engine Starter Motor Positive Battery Cable
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 7811111
BMW X3 E83 LCI 2.0d N47 177HP Engine Module ECU Kit DDE 7811111 Automatic
Promo price
€336.95
€202.17
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A2044404732
Mercedes W204 Estate PDC Wiring Rear Bumper Parking Sensor Cable A2044404732
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 9280186
BMW 5 7 Series F10 F11 F01 F02 F03 LCI Airbag Control Module ECU Unit 9280186
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 5Q0937084CJ
Audi A3 8V 1.6 TDI DBKA BCM Body Control Module Unit ECU 5Q0937084CJ
€56.95
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 9127088
BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 8T0915181
Audi A4 RS4 B8 Battery Terminal Negative Cable Loom Harness Wiring 8T0915181
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 93455416
Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 93455416
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 8572439-3
Engine Control Unit BMW F30 F31 N57N 330d 258HP ECU DDE 8572439 Automatic
Promo price
€61.95
€52.66
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A2048700185
Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185
Promo price
€99.95
€84.96
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6857314
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A1648204326
Mercedes MLW164 Air Module Control Unit ECU Air Module Sensor A1648204326
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A9069820109
Mercedes Sprinter W906 Positive Battery Terminal Cover Cap Trim Red A9069820109
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 8582280-5
Engine Control Unit BMW F20 F30 F31 118d 318d N47N 143HP ECU DDE 8582280 Manual
Promo price
€47.95
€40.76
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6850846
BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 9243637
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9243637
Promo price
€66.95
€40.17
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 5Q0937615C-1
Audi TT FV Fuse Relay Box Module Electrical Control Unit 5Q0937615C
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6951674
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Sparkling Graphite A22
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A0018209326
Mercedes-Benz E CLS Class W211 W219 Crash Sensor Left Right N/O/S A0018209326
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 9150883
BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883
€66.95
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A0065422618
ESP Sensor Mercedes W166 Electronic Yaw Rate Sensor Module A0065422618
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6997612
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 6997612
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 9229880
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9229880
€56.95
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 9253482-2
BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 9314023
MINI Cooper R56 LCI Aerial Antenna Amplifier Diversity Module 9314023
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 7627023
BMW F20 F21 F30 Petrol N13 Automatic Gearbox Engine Sensor Module 1 Wiring
€66.95
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6953467
BMW 1 3 Series E88 E93 Convertible Tel Phone Antenna Aerial 6953467
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 9207075
BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075
Promo price
€80.95
€48.57
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 3456365
Roof Security Alarm Mini R55 R56 One Ultra Sonic Module 3456365
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 6949450
BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. 03C906027DA-1
VW Volkswagen Touran 1T 1.4 TSI CAVC Engine ECU Kit Ignition 03C906027DA + Keys
Promo price
€237.95
€202.26
Free delivery - Tue, Dec 30
If paid before 14:00

-40%
Part no. 8579478
BMW F20 F30 F32 120dX 320dX 420dX Diesel N47N 184HP ECU Unit DDE 8579478 Manual
Promo price
€94.95
€56.97
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A1776203400
Mercedes W177 W247 Battery Bracket Mount Holder Support A1776265300
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 4L0959794B
Audi Q7 4L Door Control Module Electrical Unit ECU Rear Right O/S 4L0959794B
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 4F0959792E
Audi A6 C6 Front Passenger Side Door Left N/S Module Unit Control ECU 4F0959792E
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-15%
Part no. A2059001240
Mercedes GLC 220d X253 Air Conditioning Climat A/C Control Module A2059001240
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A1669006105
Door Module Mercedes W176 W246 Front Right O/S Control Unit A1669006105
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 8W0959593H
Audi A4 S4 B9 Front Door Control Module Unit Driver's Side 8W0959593H
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A1669002700
Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 8519663-10
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual
Product currently unavailable

-5%
Part no. 6963014
BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. A4209003305
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit Module A4209003305
€222.95
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 9230455
BMW E81 Footwell ECU Light Control Module Basis PL2 FRM3R Lear 9230455
€123.95
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. 9186655
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186655
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00

Part no. 9347878
Dashboard Monitor BMW X5 F15 Onboard Central Display Screen 10,25" 9347878
€265.95
Free delivery - Tue, Dec 30
If paid before 14:00

-5%
Part no. A6395400150
Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400150
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
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 .