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. A2059006615
Mercedes W205 Windscreen Rain Sensor Front Control Unit A2059006615
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 3AF971104L
Volkswagen Passat B7 PDC sensor Wiring Loom Harness Cable Rear Bumper 3AF971104L
Promo price
€42.95
€36.51
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9244429
BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0035421619
Mercedes W177 Relay 052 Engine Fuse Box Relay Slot B D E 70A Tyco A0035421619
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8K0959663D
Audi Q3 8U A3 8P A6 C7 Voltage Stabilizer Converter Control Module 8K0959663D
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A2129009908
Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009908
Promo price
€127.95
€76.77
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2118202442
Mercedes E-Class W211 S211 Rear Right Door Window Lifter Motor Regulator
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2165420018
Yaw Rate Sensor Mercedes W169 W245 W211 W219 Turn Rate Sensor A2165420018
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9171948
BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2129005327
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327
Promo price
€277.95
€236.26
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9257366
BMW 5 7 Series F01 F10 LCI Aerial Antenna Amplifier Diversity 868 MHZ 9257366
Promo price
€42.95
€25.77
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2229006008
Mercedes W205 W217 W222 Tailgate Trunk Control Module Unit A2229006008
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 04L906021BQ
Audi A4 B8 Engine Control Unit Module ECU 2.0 TDI CNHC 163HP 04L906021BQ
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A2139003022
Door Module Mercedes W205 W213 X253 Rear Right Door Control Unit A2139003022
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8370933
BMW 3 5 6 Series E60 E61 E63 E90 Support Bracket Navigation Computer 8370933
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1645400624
Mercedes W164 Fuse Box Relay Housing Cover A1645400624
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8507912
BMW F30 F31 Engine Wiring Loom N47N Harness Automatic Gearbox 7549282
Promo price
€66.95
€40.17
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6940236
BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1779061302
Mercedes EQA H243 W247 Fuse Box Relay Control Unit Module A1779061302
Promo price
€80.95
€68.81
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8379941
BMW X5 Series E53 Interior Roof Trim Cover Ultra Sonic Module Alarm 8379941
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7621063
BMW X3 F25 X4 F26 Earth Ground Cable Line Strap Battery Lead 7621063
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9226901
Body Control Module BMW F01 ECU Junction Box PL6 JBBFE III 3 Lear 9226901
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8512292-2
BMW E90 E91 LCI N47N 316d 116HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual
Promo price
€146.95
€88.17
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A1679009330
Mercedes C118 W167 W177 W243 W247 Ignition Control Module Unit ECU A1679009330
€284.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1779003806
Door Module Mercedes C118 W177 W247 Front Left N/S Control Unit A1779003806
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2056105402
Mercedes W205 Battery Recess Trunk Floor Battery Box Base Plate A2056105402
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0055422618
Rate Sensor Mercedes W212 ESP Yaw Rotation Control Unit Module A0055422618
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-15%
Part no. A6421508900-1
Mercedes W212 E350 CDI OM642.852 Engine Control Unit Module ECU A6421508900
Promo price
€222.95
€189.51
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2059003222
Door Module Mercedes W205 W253 Control Unit Module Front Right O/S A2059003222
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6887358
BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2045409533
Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2045409533
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1645400750
Mercedes ML W164 Battery Fuse Box Power Distribution A1645400750
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 5A234D0
Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Cable 5A234D0
Promo price
€42.95
€25.77
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8C113C190AB
Ford Transit Mk7 Yaw Rate Speed Control Unit Sensor Meter 8C113C190AB
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1679008311
Mercedes C238 Door Control Unit Module ECU Front Left N/S A1679008311
Promo price
€47.95
€40.76
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2709002100-15
Mercedes C117 CLA 180 270.910 122HP Engine ECU Kit A2709002100 Automatic
Promo price
€503.95
€428.36
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 03E971612AE
Volkswagen Polo 6R Mk5 Engine Wiring Loom Harness Cable 03E971612AE
Promo price
€123.95
€74.37
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0025422619
Mercedes ML W163 Relay 4-Pin Grey Tyco A0025422619
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2129004502
Mercedes W204 W207 Front Right Door Control Unit Module A2129004502
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 99661826500
Porsche Boxster 986 Tilt Angle Sensor Control Unit Module 99661826500
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8V4971687K
Audi A3 RS3 8V 5Dr Door Harness Loom Wiring Rear Left Right N/O/S 8V4971687K
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 4M1907468D
Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D
Promo price
€151.95
€129.16
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8P0953519G
Audi TT 8J A3 8P Windscreen Wiper Stalk Switch Assembly 8P0953519G
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1679004211
Door Module Mercedes W205 W213 W910 Front Right O/S Control Unit ECU A1679004211
Promo price
€94.95
€80.71
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7580334
Earth Ground Cable BMW F10 F11 F13 F01 Battery Cable Engine Wiring 7580334
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8092206-6
Air Module Wiring BMW F20 F21 F22 F30 F31 Steering Wheel Harness Cable 8092206
€37.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2118705026
Passenger Seat Module Mercedes W164 W203 W211 Memory Control Unit A2118705026
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0015424423
Parktronic Screen Mercedes W207 W212 Front Parking Sensor Display A0015424423
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 4F1971687S
Audi A6 C6 Rear Door Wiring Left Right N/O/S Harness Loom Cable 4F1971687S
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 2191045
Ford Transit Connect Glow Plug Wiring Loom Cable Wire 1.5 TDCi Diesel 2191045
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6913896
BMW Z4 E85 E86 Aerial Antenna Amplifier Module Rod 6913896
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A2479007312
Mercedes W212 Suspension Module Adjustment Control Unit Controller A2479007312
€94.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8516739
Mini One D R56 LCI R60 90HP N47N Engine Control Unit ECU DDE 8516739 Manual
Promo price
€113.95
€68.37
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 4F5035225AJ
Audi A6 C6 Aerial Antenna Amplifier Right O/S FM Booster Unit 4F5035225AJ
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 3D0915181C
Volkswagen Phaeton 3D 5.0 V10 Battery Control Module Unit ECU 3D0915181C
€113.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A1679005218
Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005218
€450.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9293307
BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8W6907217B
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217B
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1695450140
Mercedes A B Class W169 W245 Holder Bracket Engine Control Unit A1695450140
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7464634
BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9382418
BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9866982
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8J0971085D
Audi TT 8J Parking Sensor Wiring Harness Cable PDC Rear Bumper 8J0971085D
€28.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 7276383
Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7276383
€23.95
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2129003704
Parking Module Mercedes W207 W212 PDC Distance Control Unit Sensor A2129003704
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9362848
BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 1472984
Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 5-Pin Black Relay Wiper 1472984
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8E0907637B
Audi A6 C6 Yaw Module Rotation Rate Acceleration Sensor 8E0907637B
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9688268580
Citroen C4 Starter Motor Diesel Engine 1.6 HDI Actuator Unit 9688268580
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6938064
BMW E65 E66 E67 Amplifier Rear Window Antenna Amplifier Module 868MHZ
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 99661853701
Porsche Boxster 986 Seat Comfort Module Unit Front Left Right N/O/S 99661853701
€427.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2128201689
Mercedes W212 Antenna Amplifier Aerial Module Unit A2128201689
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 2753031
Mini Wiring Loom Harness Cable Plug Connector Socket Input 2753031
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9118931
BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8J0971237A
Audi TT 8J Starter Motor Negative Battery Wiring Harness Cable 8J0971237A
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8570934
BMW F20 F21 116d ed Diesel N47N 116HP ECU Engine Control Unit DDE 8570934 Manual
Promo price
€284.95
€170.97
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 02Z911023H
Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor 02Z911023H
€32.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2059068501
Mercedes W205 Fuse Box Rear Relay Electrical Control Unit Box A2059068501
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A2229008911
Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9497858
Mini Countryman F60 Wiring Cable Loom Adapter Excitement THL 9497858
€33.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. BK3V-14517-CE
Ford Transit Mk8 Fuse Relay Box Control Unit Module BK3V14517CE
Promo price
€66.95
€40.17
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6953424-3
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2469006816
Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469006816
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9142400
BMW Mini Cooper R55 R56 R57 Passenger's Door Module Cables N/S 9142400
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2075844181
Mercedes C207 Fuse Box Grouping Fuse Placement Map Card Diagram A2075844181
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9381445
Mini Cooper F55 F56 F57 IBS Negative Battery Lead Cable 9381445
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 90494959
GM Vauxhall Opel Relay 4-Pin Multi Use Glow Plug Unit Magenta 90494959
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 4H0959760F
Audi A8 D4 Front Seat Backrest Adjustment Module Left Right N/O/S 4H0959760F
€66.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 3454167-1
BMW X3 E83 Shark Roof Fin Antenna Aerial Module Unit 3454167 3436613
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6967184-1
BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2048210851
Mercedes W212 Windscreen Rain Sensor Temperature Humidity Unit A2048210851
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8657232
Engine Wiring BMW F87 M2 N55 Petrol Loom Module Harness Cable 8657232
Promo price
€170.95
€145.31
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A6079002200-2
Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200
€113.95
Free delivery - Fri, Jan 02
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 .