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
-5%
Part no. 7543297
BMW 5 6 Series E60 E61 E63 E64 N52 Cable Alternator Starter Base B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8380409
BMW X5 E53 Fuse Distribution Box Relay Board 6907395 8380409 6909721
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9116542
BMW E39 X5 E53 X3 E83 PDC Parking Distance Control Unit Active Module 9116542
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
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, Oct 28
If paid before 14:00
-5%
Part no. A2123300135
Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6958526-1
BMW 5 X5 X6 Series 1 E60 E61 E70 E71 F10 F11 Seat Adjustment Switch Right O/S
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A0009822923-1
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey SET X2 A0009822923
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2118704026
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118704026
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A1769980001
Door Wiring Plug Mercedes W176 W246 Cable Lead Connector A1769980001
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8573258-7
BMW F20 F21 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8573258 Manual Key FEM
€113.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 6867169
Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Unit 6867169
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8611289
Mini Cooper S R56 JCW Coolant Thermostat Adapter Wiring Cable 8611289
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9317866
BMW F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8506442
BMW E81 E82 E87 LCI E88 123d Petrol N47S 204HP ECU Engine DDE 8506442 Manual
Promo price
€165.95
€141.06
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7616199
BMW Z4 E82 E88 E89 Battery Lead Cable Negative IBS Wire 7616199
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9389286
Door Wiring Mini Clubman F54 Front Passanger Side N/S Door Harness 9389286
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
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, Oct 28
If paid before 14:00
-40%
Part no. A2049060305
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049060305
Promo price
€108.95
€65.37
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6932399
BMW X5 E53 Cable Loom Plug Socket Connector Wiring Harness 6932399 6932396
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7661503
Battery Cable Relay BMW E60 E64 E82 E90 Electrical Unit 7661503
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A1645403572-1
Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403572
€170.95
Free delivery - Tue, Oct 28
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, Oct 28
If paid before 14:00
-5%
Part no. 9123739
BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 7605076
BMW F06 F10 F11 F12 F13 Wiring Harness Cable Engine Ignition Module N55 7605076
€75.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 2K5951172
VW Volkswagen Caddy Maxi Interior Roof Alarm Sensor Module Unit 2K5951172
Promo price
€108.95
€92.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7638005
BMW F20 F30 F32 Earth Ground Cable Negative Battery Lead Wiring 7638005
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A0045452905
Mercedes Relay Fuse Unit Module 4 Pins Grey A0045452905
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 5G0035820A
Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A
€51.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7187221
BMW F01 F02 F03 LCI Rear Third Stoplamp Stop Lamp Brake Light 7187221
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A6519000700-3
Mercedes W906 310 CDI OM651.955 95HP Engine Unit ECU Kit A6519000700 Key Lock
€393.95
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 6951629
BMW Z4 X3 E83 E85 Mini R50 DVD GPS Navigation System Computer 6951629
€189.95
Free delivery - Tue, Oct 28
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, Oct 28
If paid before 14:00
-5%
Part no. 9231179
Antenna Amplifier BMW F30 F80 M3 F82 M4 Rear Aerial Booster AM/FM DAB 9231179
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9142400
BMW Mini Cooper R55 R56 R57 Passenger's Door Module Cables N/S 9142400
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A1729007313
Mercedes SLC R172 PDC Parking Sensor Module Unit ECU A1729007313
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A0009004802
Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9317175
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9317175
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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, Oct 28
If paid before 14:00
Part no. B67824524
Mercedes W164 Media Interface Connection Cable MI AUX Wiring B67824524
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6850955
Brake Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6850955
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 5M0907357C
Volkswagen VW Tiguan 5N Headlight Range Control Unit Module ECU 5M0907357C
€23.95
Free delivery - Tue, Oct 28
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, Oct 28
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, Oct 28
If paid before 14:00
-5%
Part no. 7N0941329
Audi A3 8V 30 TDI DGTE Ad Blue Reducer Dosage Control Module Unit ECU 7N0941329
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 4F0919813E
Audi A4 B8 Chip Card Reader for Road Toll ETC Japan Module Unit 4F0919813E
€37.95
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 7603567
BMW E60 E93 Mini Cooper R55 R56 R60 Minus Lead IBS Negative Battery 7603567
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A6394407810
Wiring Loom Mercedes W639 Vito Cable Front Door Left Right N/O/S A6394407810
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 3457434-1
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
Promo price
€237.95
€202.26
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 06H971627
Audi A5 8T 2.0 TFSI Petrol Fuel Injectors Wiring Cable Harness 06H971627
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6960308
BMW 1 Series E88 Convertible Rear Bumper FM Radio Aerial Antenna 6960308
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2469064201
Antenna Amplifier Mercedes X117 W176 W205 Rear Aerial Module A2469064201
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 7856819
Battery Cable BMW F90 M5 F91 M8 Wire Lead Positive Alternator Starter B+ 7856819
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 7807827-1
BMW 1 3 Series E87 E90 LCI 120d 320d N47 Diesel ECU Kit DDE 7807827 CAS3 Key
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8680374
BMW F45 Alternator Generator 8680374
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A0001502780
Mercedes W203 CL203 W204 M272 Petrol Ignition Coil Cable Connector A0001502780
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 5WA959436P
Volkswagen Golf CD1 Keyless Go Module ECU Entry Control Unit 5WA959436P
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9122432
BMW E60 E61 LCI X5 E70 X6 E71 X3 F25 Rain Light Solar Sensor 9122432
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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, Oct 28
If paid before 14:00
-5%
Part no. 03L911024B
Audi A6 C7 2.0 TDI CGLC Diesel Starter Motor 03L911024B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2465401350
Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2465401350
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A2829003300-1
Mercedes W177 A180 282.914 136HP Petrol ECU Kit A2829003300 Key BCM Automatic
Promo price
€246.95
€148.17
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6905950
BMW X5 Series E53 Spoiler Dualband Antenna Amplifier Aerial 6905950
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7835431
Carrier Air Conditioner BMW E60 M5 E61N E63 E64 M6 Compressor 7835431
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6990090
BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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, Oct 28
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, Oct 28
If paid before 14:00
-15%
Part no. 079903805J
Audi A4 B6 B7 4.2 V8 FSI Alternator Bracket Mount Holder 079903805J
Promo price
€51.95
€44.16
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9247081
BMW X1 E84 Wiring Loom Harness Passenger Side 9247081
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9276064
BMW X3 F25 Antenna Aerial Diversity Amplifier Unit 868 MHZ 9276064
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A9065460643
Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 6927311
BMW 5 Series E60 Front Seat Module Control Unit Controller 6927311
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7520912-1
BMW E60 E61 E63 E64 LCI Lid Cover Panel Electronic Box 7520912
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A2048204697
Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
€142.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6940763
BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7525696
BMW X5 E53 Ground Battery Cable Alternator Starter 7525696
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 8573260-1
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8573260 Manual
Promo price
€71.95
€43.17
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8T0919611-1
Audi A4 B8 Head Unit Media Player Controller Knob Switch Panel 8T0919611
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 9299268-1
BMW F20 F21 F30 F31 F32 Radio Stereo Professional CD DAB Head Unit 9299268
€56.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 03L903023L
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023L
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2469067100
Mercedes W176 W246 C117 Fuse Relay Box Control Unit Module A2469067100
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6952477
BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6952477
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9267205-1
BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9267205
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 6976384
BMW X5 E70 Power Distribution Fuse Box Front Control Unit Module 6976384
€51.95
Free delivery - Tue, Oct 28
If paid before 14:00
-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, Oct 28
If paid before 14:00
-40%
Part no. A6229001000
Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000
Promo price
€393.95
€236.37
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A1729060005
Mercedes R172 Rear SAM Fuse Relay Box A1729060005
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A9065410140
Mercedes-Benz Sprinter W906 Battery Tray Holder Mounting Bracket A9065410140
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8508654
BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654
Promo price
€61.95
€52.66
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9267511
BMW X5 E70 Body Control Module Main Primary ECU Unit JBBFEIII R LP 9267511
Promo price
€165.95
€141.06
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9210860
BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2135452840
Mercedes W213 ECU Bracket Control Unit Module Holder Mount A2135452840
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. GU5T-14B192-GA
Ford Transit Mk8 Relay High Power 4-Pin Black FoMoCo GU5T-14B192-GA 4RA933714
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2045455640
Mercedes Benz C E W204 W207 Control Unit Module SAM Bracket Mount A2045455640
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8572426
BMW F30 F32 LCI 335dX 435dX Engine Injector Ignition Wiring Cable Loom 8572426
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2218705885
Mercedes W221 Night Vision System Camera Module Control Unit A2218705885
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
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, Oct 28
If paid before 14:00
-5%
Part no. 7518610
BMW E65 E66 E67 Earth Ground Battery Strap Cable 7518610
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 191906383C
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 191906383C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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 .