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. A1695450140
Mercedes A B Class W169 W245 Holder Bracket Engine Control Unit A1695450140
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 5Q0907530Q
Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8793253
BMW X3 G01 Rear Right O/S Door Wiring 8793253
€28.95
Free delivery: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
Part no. 8J0971085D
Audi TT 8J Parking Sensor Wiring Harness Cable PDC Rear Bumper 8J0971085D
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2118705426
Rain Sensor Mercedes W211 C219 Front Windscreen Control Unit A2118705426
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
Part no. E1BT-14D212-FE
Ford Focus Mk3 Bluetooth Module Control Unit E1BT-14D212-FE
€32.95
Free delivery: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
Part no. D1BT-14D212-GA
Ford Fiesta Mk7 Bluetooth Interface Control Unit Module ECU D1BT-14D212-GA
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. AV1T-18B955-BD
Ford B-Max Dashboard Display Multifunction Screen Monitor AV1T-18B955-BD
€47.95
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
Part no. 8K0959795A
Audi A4 B8 Rear Door Module Control Unit ECU Left N/S 8K0959795A
€23.95
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
Part no. 9497858
Mini Countryman F60 Wiring Cable Loom Adapter Excitement THL 9497858
€33.95
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
Part no. 237101754R
Renault Trafic F83 M9R 2.0 DCI Engine Control Unit Module ECU 237101754R Manual
€51.95
Free delivery: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8K0971688S
Audi A4 B8 Door Harness Loom Cable Wiring Rear 8K0971688S
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
-15%
Part no. A1695401006
Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 7612190-2
Mini Cooper S R56 LCI N18 1.6 184HP Engine Control ECU Kit DME 7612190 Manual
Promo price
€569.95
€341.97
Free delivery: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
Part no. F1ET-14B345-AA
Ford Focus Mk3 Side Air Module Crash Impact Sensor Control Unit F1ET-14B345-AA
€23.95
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
-40%
Part no. A6079002200-2
Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8J0971349CD
Audi TT 8J Alternator Main Cable Wiring Harness Loom 8J0971349CD
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2059004721
Door Module W205 Rear Right O/S Door Control Unit Module A2059004721
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2048704326
Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8586568
BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568
Promo price
€56.95
€48.41
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 5Q0919294G
Audi A3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294G
€47.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6820235
BMW F20 F30 Mini F55 F56 Control Unit Air Conditioning Module 6820235
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 9208452
Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452
Promo price
€70.95
€42.57
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. A1665402102
Battery Cable Mercedes W166 C292 Starter Alternator Wiring Harness A1665402102
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 7557027
BMW X5 E70 X6 E71 E72 Battery Earth Cable Wiring Loom 7557027
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6990089-1
BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9231280-TS
BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. AH2211001AC
Land Rover Range Rover Sport L320 3.0 Diesel Engine Starter Motor AH2211001AC
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9184810
BMW X6 E71 Wiring Set Wash Water Container Cable Loom 9184810
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9196938
BMW E93 Seat Control Module Unit ECU 9148266
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 2Q0980653H
Seat Ibiza KJ1 VW Polo MK6 Front Camera Lane Assist Control Unit 2Q0980653H
€75.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 7811111
BMW X3 E83 LCI 2.0d N47 177HP Engine Module ECU Kit DDE 7811111 Automatic
Promo price
€336.95
€202.17
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 1K0955559M
Volkswagen VW Golf Mk5 Rain Sensor Windscreen Control Unit Module 1K0955559M
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9217033
Battery Cable BMW F01 F02 Positive Wiring Plus Pole Red 9217033
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8P0941029BF-2
Audi RS3 8P Front Headlight Xenon Wire Cable Harness Wiring Left N/S 8P0941029BF
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 1K0955559AB
Volkswagen Golf Mk5 Rain Sensor Front Windscreen Control Unit Module 1K0955559AB
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 7LA937550A
VW Transporter T6 Fusebox Module Power Distribution Control Module 7LA937550A
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 1529431
Ford Mondeo Mk4 Focus Mk3 Starter Motor Diesel Engine AV6N-11000-GD
€47.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 3425810
BMW X3 E83 2.5i 3.0i Petrol M54 Engine Wiring Loom Harness Module 3425810
€123.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6949081
BMW 1 3 Series E81 E82 E88 E92 Front Seat Easy Entry Adapter Wire Cable 6949081
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A0009822523
Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8585727
Wiring BMW F21 F30 F34 F36 Diesel N47N Engine Gearbox Module Harness 8585727
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A9079053907
Mercedes Sprinter W907 W910 Battery Sensor Cable Negative Terminal A9079053907
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. D1BT14D212NA
Ford Transit Connect Mk2 II Bluetooth Control Module Unit ECU D1BT14D212NA
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A0005456616
Mercedes W212 Automatic Gearbox EGS Control Module Unit ECU A0005456616
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 7182396
BMW X5 E70 E90 E91 LCI Control Unit Xenon Adaptive Headlight 7189311
Promo price
€51.95
€44.16
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7M0951253C
Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9146244
BMW X3 X5 E53 E83 Control Unit Sliding Lifting Roof Panorama 9146244
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 1742690-1
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 1508937
BMW Mini Cooper S One D R50 R52 R53 Negative Battery Cable Wire 1508937
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9362396
BMW F20 REM Rear Electronic Module Fuse Box Control Unit V3 9362396
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2025402373-1
Mercedes A C E Class 1 W169 W203 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-2
BMW E92 E92N LCI PDC Wiring Loom Harness Rear Bumper
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 9364818
BMW Z4 E89 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9364818
Promo price
€218.95
€131.37
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7586426
BMW E89 F10 F25 F26 Battery Clamp Bracket Holder 7586426
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 95B035736A
Porsche Macan 95B USB SD SIM Card Module Multimedia Reader Port 95B035736A
€113.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A1775408220
Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408220
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2465400308-1
Mercedes W176 W246 OM651 Alternator Cable Battery Prefuse Box A2465400308
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 3D0909139D
Porsche Cayenne 955 Keyless Module Kessy Control Unit ECU 3D0909139D
€417.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6950374
Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. A1715405045-1
Mercedes SLK R171 Central Gateway Module ECU Control Unit A1715405045
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. BM5T-18K811-BA
Ford Focus Mk3 Multimedia Head Unit Control Switch Panel BM5T-18K811-BA
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 9890599
BMW F90 M5 G11 G30 Air Module Crash Control Unit 9890599
Promo price
€189.95
€113.97
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A0009822723
Mercedes W205 Estate Fuse Relay Box Module Control A0009822723
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6964263
BMW 3 Series E93 E93N Cabrio Module Bracket Holder CTM 6964263
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6864206
Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 13720856
Mercedes W212 Negative Cable Battery Terminal Wiring 13720856
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9181453
BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181453
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6819653
BMW X5 F15 Fuse Box Front Body Control Module ECU BCM Unit 6819653
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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 .