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. A2055404106
Brake Harness Mercedes W205 Rear Left N/S Brake Pad Wear Wire Wiring A2055404106
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A1648205389
Mercedes ML W164 Aerial Antenna Amplifier Unit Module A1648205389
€28.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6934095
BMW 7 Series E65 E66 Door Wiring Harness Rear Right Left N/O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2054400534
Mercedes C205 Bumper PDC Wiring Loom Rear Parking Sensor A2054400534
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1775402500
Mercedes W177 W247 Battery Cable Negative Lead Terminal Harness A1775402500
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9231174
BMW 3 4 F30 F32 Touring Amplifier Rear Window Antenna Diversity 9231174
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1695403905
Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Rear Left Right
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 4G8959795G
Audi A6 C7 Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795G
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 5Q0959592B
Audi A3 8V Door Module Control Unit Front Passenger Side 5Q0959592B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8678960
Mini Cooper S F55 F56 F57 F60 Valvetronic Wiring Cable Loom Harness 8678960
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2129003922-1
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2059001311
Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7619143
BMW F20 F21 F30 F31 Valvetronic Servomodule Wiring Cable Loom Harness 7619143
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2076822704
Trim Panel Mercedes W212 Dashboard Module Control Unit Cover A2076822704
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2711501920
Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711501920
Promo price
€132.95
€113.01
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 55585024
Vauxhall Opel Insignia A 2.0 TDCI Engine Control Module 55585024 Manual
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6960219
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2074407613
Mercedes-Benz E-Class W207 Cabrio A207 Centre Console Divider Wiring Harness
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 0AD927755BE
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BE
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A9067601304
Mercedes-Benz Sprinter W906 Front Right Door O/S Handle Bowden Pull Cable
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1698201085
Mercedes W245 ECU Control Unit Sensor Air Module A1698201085
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A1779007716
Mercedes W177 Front Door Control Module Left Right N/O/S Unit ECU A1779007716
Promo price
€61.95
€37.17
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 06N907309A-1
Audi A4 B9 8W 35 TFSI DMSB 150 HP Engine ECU Kit Body + Key 06N907309A Automatic
Promo price
€379.95
€227.97
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1765405508
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405508
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 1K0971228N
Audi A3 VW Golf Caddy Battery Lead Positive Cable Plus Pole Wiring 1K0971228N
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2059002011
Mercedes W205 Rear Door Control Module Unit Right O/S ECU A2059002011
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9180402
BMW E90 Front Sport Seat Lumbar Wiring Loom Harness Cable 9180402
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9454245
Differential Locking Module BMW F90 M5 G20 Rear Axle Control Unit ECU 9454245
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2135451140
ECU Bracket Mercedes W213 Control Unit Module Holder Mount A2135451140
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A1669061202
Mercedes W221 Fuse Box Control Unit Module Relay A1669061202
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8K0971687S
Audi A4 B8 Door Wiring Harness Loom Rear Left N/S Cabling 8K0971687S
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9292945
BMW F20 F21 F22 F30 F31 F32 F36 FEM Module Control Unit 9292945
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9153806
BMW F01 F02 Rear Heater Blower Motor Resistor 9153806
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 93BB14488AB
Ford Focus Mk2 Starter Motor Engine Actuator Cable Wiring Unit 93BB14488AB
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. XS7U-11000-C4A
Ford Focus Mondeo Escort 1.8 Petrol Engine Motor Starter XS7U11000C4A
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2769004901
Mercedes A238 Convertible E450 M276.823 Engine ECU Unit A2769004901 Automatic
Promo price
€474.95
€284.97
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8K0959792R
Audi Q5 8R Door Module Control Unit Front Passenger Side 8K0959792R
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A9067601204
Mercedes Sprinter W906 Front Left Door N/S Handle Bowden Pull Cable A9067601204
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8581751
BMW F40 MINI F56 F57 F60 Engine Control Unit ECU Box Top Cover Shield 8581751
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8693213-1
BMW F30 LCI 330e B48X Engine Control Unit ECU Kit DME 8693213 FEM Key Automatic
Promo price
€740.95
€444.57
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8518269-8
BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic
€28.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 3428336
Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3428336
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6900583-1
BMW 7 Series E65 E66 Cable Wire Power Distribution Box 6900583
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A2049012604
Mercedes W204 Parking Control Unit Module ECU A2049012604
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2135409616-1
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 4F0955557A
Audi A6 C6 Door Crash Impact Sensor Front Left Right N/O/S 4F0955557A
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7572873
BMW Z4 E85 E86 Battery Holder Hold Down Bracket 7572873
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A6429004201
Mercedes W221 BlueTec Exhaust Gas Aftertreatment Control Unit Module A6429004201
Promo price
€151.95
€91.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8K0971104
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 03C903024F
Alternator Audi A3 8P VW Passat B7 Engine Generator 1.4 TSI 03C903024F
Promo price
€94.95
€56.97
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A1775403131
Mercedes w177 Sensor Wiring Harness Cable Front A1775403131
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 6878191
Air Module BMW F01 F02 LCI F10 F11 F13 ECU ICM Control Unit 6878191
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6902265
BMW E65 E66 E67 Compact Base Support System Rear Black 6902265
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2059001611
Mercedes W205 Door Module Front Right O/S Control Unit ECU A2059001611
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2515400524
Mercedes W251 Fuse Relay Electrical Box Housing Cover A2515400524
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 4L0035225AJ
Audi Q7 4L Radio Aerial Antenna Amplifier AM/FM 4L0035225AJ
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2139007107
Mercedes W213 Seat Control Module Unit ECU A2139007107
Promo price
€51.95
€31.17
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8608020
Gearbox Module Mini F55 F56 F57 Automatic Basic Control Unit EGS 8608020
Promo price
€256.95
€154.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9337881
BMW 1 3 4 F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9337881
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1648205585
Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7537612-1
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8X0959793D
Audi A1 8X Driver Side Door Module Front Control Unit Module ECU 8X0959793D
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 2751445
Mini Cooper One R56 R55 R57 R58 LCi Retaining plate fuse box SPEG 2751445
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8573257-1
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 Automatic
€142.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2135406631
Mercedes W213 Rear Door Wiring Harness Cable Left N/S A2135406631
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2769007300-2
Mercedes R172 AMG SLC 43 276.822 Engine Control Module ECU Kit A2769007300
Promo price
€455.95
€273.57
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9875930
BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
Promo price
€189.95
€113.97
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6960221
Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0015453916
Mercedes CL 203 Automatic Gearbox Control Unit Module ECU A0015453916
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2129002216
Mercedes W212 Display Screen Information Navigation Dashboard A2129002216
Promo price
€104.95
€62.97
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 7849446
BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446
€132.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9265300
BMW 1 2 Series F20 F21 F22 F23 LCi Headlight Switch Control Element Light
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8385987
BMW X5 E53 Support Bracket Navigation Computer 8385987
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8632554
Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8383551
Mini R50 R53 Headlight Aim Range Control Unit Module ECU Xenon 8383551
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 6988086
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
€99.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2465400308
Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9227766
BMW F11 Touring Tailgate Spoiler Probe AM/FM Sensor 9227766
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8W0907159F
Audi A4 S4 B9 A5 S5 Impact Sound Actuator Control Module 8W0907159F
€37.95
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 9835622
BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
€51.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A6401501933
Engine Wiring Mercedes W169 W245 OM640 Cable Loom Harness A6401501933
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 7464750
Tailgate Smart Opener BMW F10 F11 X1 F48 X3 F25 Control Unit Module 7464750
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8781328
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 8781328
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 2447799
BMW M6 F13 X3 F25 F32 F33 Bluetooth Telematic Control Module Unit 2447799
€113.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9274023
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9274023
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8576333-2
Engine Unit ECU BMW F20 F30 F32 120dX 320dX 420dX N47N 184HP DDE 8576333 Manual
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 1480790
Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8516739-6
Mini SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8516739 + CAS3 + Key, Manual
Promo price
€227.95
€136.77
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 1393415
BMW 3 5 7 Series E36 E38 E90 E91 F10 F11 Change-Over Contact Relay Grey 1393415
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9643218980
Peugeot 206 1.6 NFU TU5JP4 109HP Engine Control Unit ECU 9643218980 Manual
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. KV6T-14B060-AAF
Ford Transit Connect Battery Cable Engine Wiring Harness Loom KV6T-14B060-AAF
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2074405433
Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2059006047
SAM Module Mercedes W205 GLC X253 Rear Comfort Control Unit ECU A2059006047
Promo price
€127.95
€76.77
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. N000000004325
Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9177784
BMW X5 E70 X6 E71 X6 E72 Map Fuse Box Grouping Diagram Card 9177784
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 5Q0937086BK-1
Volkswagen Golf Sportsvan Body Control Comfort Unit Module BCM Unit 5Q0937086BK
Promo price
€80.95
€48.57
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9211840
BMW F01 Wiring Loom Cable Harness 9211840
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9261604
Rear Bumper PDC BMW F20 F21 F22 Ultrasonic Sensor Tiefseeblau Deep Sea Blue A76
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
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 .