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. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 6989713-1
BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 9318579
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9318579
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 4F0959795M
Audi A6 C6 Rear Door Left Right N/O/S Module Unit Control ECU 4F0959795M
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 079903021JX
Audi S8 D3 S6 C6 Alternator Water Cooled 190A 14V 5.2 FSI V10 079903021J
Promo price
€108.95
€92.61
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 8577764-1
BMW F10 F11 520d Diesel N47N 184HP ECU Kit DDE 8577764 + Key + CAS4 Automatic
Promo price
€379.95
€227.97
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 9240490
Battery Distribution Box BMW F01 F02 F10 F11 Power B+ Rear 9240490
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8K0915181H
Audi A1 8X Negative Minus Battery Terminal Cable 1.4 TFSI CAXA Petrol 8K0915181H
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9231442
BMW 2 3 4 Series F22 F30 F32 F36 Antenna Suppression Filter Aerial 9231442
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A1698207026
Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Front A1698207026
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A2229009519-1
Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
Promo price
€564.95
€338.97
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 7241551
BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551
€37.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9205895
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9205895
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9213374
Mini R55 R56 R57 Cover Power Distribution Fuse Box 9213374
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8634246
Mini F54 F60 B42 B46 B48 Ignition Injection Valve Wiring Harness Loom 8634246
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A6401507934
Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8H0035411D
Audi A3 8P Door Card Speaker Rear Left Right N/O/S Audio Speaker 8H0035411
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A2049005205
Mercedes W204 Dashboard Stereo Display Screen Sat Nav Multimedia A2049005205
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A6421540402
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A2219005503
Mercedes W221 Air Suspension Module Regulation Control Unit A2219005503
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 9342080
BMW Mini Cooper F55 F56 F57 F60 Telematics Control Unit Module 2622390
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8W0915459E
Audi A4 B9 Battery Positive Terminal Cable Plus Pole Wiring Harness 8W0915459E
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A0009820212
Mercedes W176 W212 W246 Voltage Converter Inverter Power Distributor A0009820212
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9154331
BMW MINI Clubman R55 Cable Wiring Loom Splitdoor Split Door Rear Right O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 3450646
Mini Cooper Convertible R57 Fuse Box Electrical Control Unit 3450646
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A0009009213
Mercedes W447 Fuel Pump Control Module A0009009213
Promo price
€85.95
€51.57
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A2125407605
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2125407605
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9226888
BMW 1 Series F20 F21 Antenna Aerial Noise Suppression Filter 9226888
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9345374
BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
Promo price
€70.95
€60.31
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 6C1T14A481CC
Ford Transit Mk7 Fuse Box Body Control Module ECU 6C1T14A481CC
Promo price
€70.95
€60.31
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9198302
BMW F10 F11 F20 F21 F30 F31 130A Electric Fan Motor Relay 9198302
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 7649087
BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A2059006651
Mercedes C205 GLC C253 Body Control Comfort Module Unit SAM BCM A2059006651
Promo price
€398.95
€239.37
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2129003708
Mercedes W212 COMAND Radio Head Unit Navi CD DVD Player Navigation A2129003708
Promo price
€189.95
€161.46
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9261591
BMW F20 F21 F30 PDC Ultrasonic Parking Sensor PDC Front Imperial Blau Blue
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 5J0919506
Seat Ibiza 6J 1.2 TSI CBZB Radiator Fan Relay Module Control Unit ECU 5J0919506
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A0009828223-1
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 3D0951253A
VW Volkswagen Audi Seat Skoda Relay Black 5 Pins 12V 50A Set 433 3D0951253A
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8X0971693
Audi A1 8X Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8X0971693
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 8Y0035042C
Audi S3 8Y Body Control Comfort Module ECU Unit Bluetooth 8Y0035042C
Promo price
€1,139.95
€683.97
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 9225619
BMW F10 Electronic Front Seat Memory Module Control Unit ECU 9225619
Promo price
€70.95
€42.57
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A2048701826
Mercedes S204 Door Module Front Left N/S Control Unit ECU A2048701826
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9154349
BMW MINI Clubman R55 Cable Wiring Loom Splitdoor Split Door Rear Left N/S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 283930431R
Roof Microphone Mercedes Citan W415 Interior Mic Unit Wiring Cable 283930431R
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A2059004113
Mercedes S205 Display Screen Multimedia Navigation Sat Head Unit A2059004113
Promo price
€51.95
€31.17
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 8606306-6
BMW F30 320i N20 184HP ECU Kit Engine Control Unit DME 8606306 Key FEM Automatic
Promo price
€569.95
€341.97
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 4H0959107AC
Audi A8 4D Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AC
€42.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 7160897-1
BMW E53 E60 E65 E81 E87 E90 E91 Bulb Holder Turn Indicator 7160897
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8651049
Mini Countryman F60 Battery Ground Earth Mass Cable 8651049
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A1665459340
Mercedes W166 C292 Fuse Box Relay Control Unit Module A1665459340
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. ZR1328B
BMW X3 E83 PCT Automotive Towing Hitch Towbar Tow Bar Trailer Relay Unit ZR1328B
Promo price
€94.95
€56.97
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 6882969
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air Module 6882969
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A9068270005
Mercedes W639 W906 Voltage Stabilizer Control Unit Module A9068270005
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. FV6T-14324-BBB
Ford Transit Connect Mk2 Starter Earth Ground Wire Cable FV6T14324BBB
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A1715420123
PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8571038
BMW 1 F20 F21 LCI Mini D F56 B37 Wiring Harness Engine Glow Plug Module 8571038
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 6826326
BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 7648190-1
Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
€626.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A0019820823
Mercedes Sprinter W907 4-Pin Relay V23074-H1605-X123 A0019820823
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 03E971815A
Volkswagen Polo 6R Cover Wiring Loom Guide Bracket Trim 03E971815A
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 8617239
Gearbox Module Mini R55 R56 LCI R60 Automatic Transmission Unit EGS 8617239
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 9247159
BMW F01 F02 LCI F07 GT Control Unit Module Voltage Transformer VSU400 9247159
€66.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 6863433
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6863433
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 6985363
BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A0009820012
Mercedes W176 W212 W246 Voltage Converter Power Distributor Inverter
€28.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9229878-1
BMW E87 LCI ECU Body Control Unit Module Junction Box H2 9229878
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 0148459-BRG
Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67 0148459
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8E0035456C
Audi A4 B7 Telephone Aerial Antenna Signal Amplifier Module 8E0035456C
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9159311
BMW 5 Series F10 F11 Mini R55 R56 R57 Door Sensor Airbag 9159311
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9252815
BMW F01 F02 F10 F11 LCI Power Distribution Fuse Box Front 9252815
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 6914396
Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6914396
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A1669005417
Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8512499-7
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
€75.95
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. A2389009000
Air Module Mercedes A205 A238 A217 SRS Protection Control Unit A2389009000
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 8586573
BMW 1 3 Series F20 F30 LCI 120dX 320dX B47 Wiring Harness Engine Gearbox Module
Promo price
€265.95
€159.57
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 2T1T-15K600-BD
Ford Transit Connect Central Lock Control Unit Alarm Module ECU 2T1T-15K600-BD
€32.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2319052600
Mercedes R172 Security Alarm Interior Protection Sensor Module Unit A2319052600
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 4H0951223
Audi A6 C7 Single Horn Alarm Siren High Tone Control Unit Module 4H0951223
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9229873
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9229873
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8802918
BMW F20 F30 Mini F55 F56 Radio Remote Control Receiver 434 MHZ 8802918
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2048701226
Mercedes S204 Door Module Rear Right O/S Control Unit ECU A2048701226
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8512043
BMW 3 E90 E91 LCI 316d 318d N47N Engine Basic DDE 8512043 Control Unit Manual
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 9364636
Body Domain Controller Mini F54 F55 F56 F60 ECU BDC Control Unit Module 9364636
€165.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 7560377
Cable Alternator BMW E81 E82 E87 E88 E90 E91 LCI Starter B+ 7560377
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A2129004106
Door Module Mercedes W212 Rear Left N/S Control Unit A2129004106
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 3453954
BMW Mini Cooper One R57 R58 Aerial Antenna Amplifier Diversity Module 3453954
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8368167
BMW E38 Inclination Indicator Alarm Tilt Sensor Control Module 8368167
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 6851242
ICM Module BMW F01 F02 Integrated Chassis Management QL ES Control Unit 6851242
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 2T1T-14B321-AC
Ford Transit Connect Air Module Control Unit ECU 2T1T-14B321-AC
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9391253
BMW F10 F11 Wiring Cable Loom 9391253 9391252
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9142092
Bluetooth Antenna BMW X1 X3 Z4 E84 E89 F01 F02 F03 F25 Amplifier AMP 9142092
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 7700844253
Renault Relay Module Control Unit Yellow 12V 40A 5 Pins 7700844253
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 7510921
Mini R52 Cabrio Petrol W10 Engine Wiring Loom Harness Module 7510921
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A1679006613
Mercedes W177 Sliding Roof Module Sunroof Panoramic Control Unit A1679006613
Promo price
€99.95
€84.96
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A0009820912
Mercedes W176 W222 W246 Voltage Converter Power Distributor Fuse A0009820912
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A1665400141
Mercedes W166 Petrol Engine HV Battery Earth Ground Line Cable Wire A1665400141
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2129014204
Mercedes-Benz W212 ECU Control Unit Sensor Module Airbag A2129014204
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
If paid before 14:00
-40%
Part no. 7600564
Mini Cooper R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7579136
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 22
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 .