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
Part no. 02M911024R
Seat Ibiza 6J Starter Motor Petrol Engine Electrical Unit Actuator 02M911024R
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 4D0907131
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 12V 4D09907131
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1439559
BMW X5 Series E53 Battery Cable Plus Pole 1439559
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 4H0951253
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit 4H0951253
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8514120
Preheating Control BMW F20 F21 F30 F31 LCI B47 Glow Plug Unit Diesel 8514120
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9251487-1
BMW E88 Cabrio Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
€170.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
€189.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A6541592200
Mercedes X253 Engine Wiring Cable Cover Duct Bracket Channel OM654 A6541592200
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 1EA907376B
Audi A3 S3 8Y Rear Suspension Damper Module Control Unit ECU 1EA907376B
€56.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 4H0951223
Audi A6 C7 Single Horn Alarm Siren High Tone Control Unit Module 4H0951223
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 1K0907115
Volkswagen Golf V GTI 2.0 TFSI AXX 200HP Engine Control ECU Kit 1K0907115 Manual
€165.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7644251
Mini Cooper One R55 R56 R57 R60 Battery Mounting Bracket Clamp Bolt Holder
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8654977
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977
Promo price
€175.95
€105.57
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. ML34-13C148-AE
VW Volkswagen Amarok NF Front Lamp Headlight Control Unit Module ML3413C148AE
€70.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6843898
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6843898
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9240508
Fuse Map BMW X5 X6 E70 E71 Assignment Grouping Card 9240508
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8573260-7
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 Key FEM Lock Manual
Promo price
€441.95
€265.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6856980
BMW F01 F10 F11 F30 F31 AHK Towing Hitch Tow Bar Control Module Unit ECU 6856980
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8576333-1
BMW F10 F11 520d X3 F25 20dX N47N 184HP ECU Kit DDE 8576333 Key CAS4 Automatic
Promo price
€218.95
€131.37
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 382327
Ultrasonic Module Mini Countryman Paceman R60 R61 Alarm System Sensor 0382327
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A9068204126
Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068204126
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8714478
BMW F40 Door Wiring Cable Harness Loom Rear Left Right N/O/S 8714478
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 1421295
Mini EGS Control Unit Module ECU Programmed 5 Pins 1421295
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7290727
Battery Cover BMW X1 F48 X2 F39 Mini Countryman F60 Upper Panel 7290727
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6G9T-14B192-EA
Ford Fiesta Transit Relay 4-Pin Grey FoMoCo Unit 6G9T-14B192-EA
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9313638
BMW F30 F31 F80 M3 Front Passenger Wiring Loom Harness Cables 9313638
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2205400382
Mercedes CL S Class C215 W220 Fuse Box Unit Front Right O/S Cover A2205400382
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6907520
BMW 5 X5 Series E39 E53 Dual Band Cable Compensator Hands Free Phone 6907520
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8512499-10
BMW X1 E84 18d N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
Promo price
€199.95
€119.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7P6919475
Volkswagen Touareg 7P PDC Parking Distance Control Module 7P6919475
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9128573
BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 03L906019AG-1
Audi A6 C6 2.0 TDI CAHA 170HP Engine ECU Kit 03L906019AG Ignition + Key Manual
Promo price
€218.95
€131.37
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8P0959655S
Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655S
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A2139007436
Mercedes W177 W213 Gearbox Transmission Control Module Unit ECU A2139007436
€80.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 4E0907282A
VW Volkswagen Audi Glow Plug Relay Unit Bosch 11 Pins 4E0907282A 0281003029
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6R0971537N
Seat Ibiza 6J Battery Ground Line Earth Negative Cable Wiring 6R0971537N
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. KT1T18B955EB
Ford Transit Connect Mk2 II Dashboard Display Screen Panel KT1T-18B955-EB
Promo price
€123.95
€74.37
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6953424-2
BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9124583-KAS
BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor Kaschmir Silver A72 9124583
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8T8035570-1
Audi A4 B8 Radio Antenna Noise Signal Disturbance Suppressor 8T8035570
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 4L0959655C
Audi Q7 4L Air Module Control Unit ECU Impact Sensor 4L0959655C
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1431172-2
Ford Transit Mk7 Engine Cooling Fan Radiator Module Control Unit 940002904
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9805075680
Citroen Relay Peugeot Boxer III Engine Glow Plugs Wiring Harness 9805075680
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
Part no. 1S0919275D-FSI
Audi Q3 8U PDC Parking Distance Control Sensor 1S0919275D Foil Silver - Z7G
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6854031
BMW F01 F02 F03 F07 F10 F11 F12 LCI Active Steering Control Unit Module 6854031
€165.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 3Q0959435D
Audi TT FV Mk3 8S Keyless Module Control Unit Comfort Access 3Q0959435D
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8583653
BMW F10 F30 F31 LCI N57N Wiring Harness Engine Glow Module 8583653
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2135400414
Mercedes W213 C238 Fuse Box Relay Control Unit Module A2135400414
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9811783
Mini Cooper Paceman R61 Wiring Loom Harness Front Cable 9811783
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9117801
Battery Bracket BMW X3 G01 X4 G02 Rear Holder Mount Carrier Support 9117801
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8W9971104T
Audi A4 B9 Rear Bumper PDC Wiring Parking Sensor Loom Harness 8W9971104T
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9383182
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9383182
Promo price
€199.95
€169.96
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2044401001
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2044401001
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6856747
BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747
€137.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2124407038
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124407038
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2059006330
Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006330
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6952290
Mini Cooper Cabrio R52 Convertible Folding Roof Control Unit Module ECU 6952290
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A4475402231
Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2075400440
Mercedes-Benz E-Class A207 Additional Battery Tray Holder Mounting Bracket
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8507902
Engine Wiring BMW F20 F21 F22 F30 F31 F34 F32 F33 F36 Harness Loom 8507902
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7624617-1
BMW F20 F21 F30 F31 F32 Cable Alternator Starter Base B 7624617
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2139003208
Mercedes W213 SAM Module Rear Body Comfort Control Unit ECU A2139003208
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5A374F9
BMW F40 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 5A374F9
€450.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7541073
Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7541073 Automatic
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6949922
BMW 3 5 E46 E61 Touring Amplifier Soft Antenna Suppression Filter 6949922
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6982652
BMW 1 Series E82 E88 Positive Battery Lead Cable Wire 61126982652 6982652
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9140942-BAR
BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9226881
BMW 1 Series F20 F20N F21 F21N LCI Radio Aerial Antenna Amplifier AM/FM 9226881
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9303594
BMW Z4 E89 Anti Theft Alarm System Module Control Unit DWA 9303594
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8632692
BMW X5 F15 N20 Petrol Wiring Harness Transmission Gearbox Module Cable 8632692
Promo price
€175.95
€105.57
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9187647
BMW E82 E90 E92 LCI Antenna Amplifier Diversity 9187647
Promo price
€89.95
€53.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 1371248
Ford Transit Mk7 Minus Negative Battery Mass Cable Wiring Loom 6C1T-14303-DA
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8W0907063CG
Audi Q5 FY 2.0 TFSI DAXB Petrol Supply Body Control Module Unit 8W0907063CG
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9232063
BMW F30 Control Module Sensor 9232063
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2049014503
Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
-5%
Part no. 6926358
BMW E87 E90 E91 E92 Front Seat Module Control Unit ECU 6926358
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1725402209
Electrical Cable Mercedes R172 Transmission To Body Wiring Harness A1725400035
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0025421119
Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9165624
BMW E93 Air Module Control Unit Module ECU 9165624
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6974890-MYS
BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Mysticblau Blue - A07
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8682893
BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8644504
Promo price
€80.95
€48.57
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7822015
BMW G20 G21 G26 330d 430d B57P Diesel Starter Cable Wiring B+ 7822015
Promo price
€80.95
€68.81
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 81A035502
Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6986081-2
CD Changer BMW E60 E61 E63 E64 Compact CD Changing Unit 6986081
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7600020-7
Mini R55 R56 R57 N12 DME Petrol Engine Control Unit ECU 7600020
Promo price
€89.95
€76.46
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7579155-1
Starter Motor BMW X5 E70 LCI X6 E71 Z4 E89 N20 N55 Petrol Engine 7579155
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 5WA962133F
Audi Volkswagen Seat Keyless Entry Module Aerial Antenna 5WA962133F
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 5Q0906121D
Audi Q3 8U 2.0 TDI CFGC Fuel Sender Pump Control Module Unit ECU 5Q0906121D
Promo price
€85.95
€51.57
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2128202289
Mercedes W212 Aerial Antenna Module Amplifier Rear Window Top Left A2128202289
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A0025428919
Relay Mercedes W176 W246 5-Pin Yellow Hella 12V A0025428919
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8P0035192SX
Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192QX
Promo price
€237.95
€202.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2059006013
Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059006013
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A1725402513
Mercedes SLK R172 Rear Window Heating Cable Loom Heat Wiring Harness A1725402513
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1685453532-2
Mercedes W168 A140 ESP + HBA Electronic Stability Control Module A1685453532
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3448379
Mini R55 R56 R57 R58 R60 R61 Control Unit PDC Parking Sensor Module 3448379
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 .