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
-40%
Part no. A0009005602
Mercedes W204 W212 Control Unit AMG Drive Select Module ECU A0009005602
Promo price
€132.95
€79.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9384687
BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9878658
BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9878658
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118705526
Mercedes W219 Motorola Telephone Control Module DC UHI MOST A2118705526
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2048708026
Mercedes W204 Media Interface Control Unit Module ECU A2048708026
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6964142
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1669004302
Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6911922
BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1486455080
Peugeot Expert Citroen Jumpy Negative Battery Terminal Cable Wiring 1486455080
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0907279
Audi A5 8T Gateway Convenience Body Module Control Unit ECU 8K0907279C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8373946
BMW 3 Z4 Series E46 E85 E86 Cable Battery Negative
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9369124
BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9365304
BMW F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Control Module 9365304
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2038209489
Mercedes CLK W203 W209 Antenna Amplifier Radio Right O/S A2038209489
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 02E911024B
Starter Motor VW Golf GTI Audi Seat Skoda Petrol CJX CHHA Bosch 1.1KW 02E911024B
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2034404432
PDC Wiring Mercedes CL203 Front Bumper Parking Sensor Loom Cable A2034404432
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8U0955559
Audi A1 8X A3 8V Windscreen Rain Sensor Control Unit 8U0955559
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2075401650
Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9866979
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9866979
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2135403205
Lever Sensor Wiring Mercedes W213 C238 Rear Left Right N/O/S Cable A2135403205
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8580053
Starter Cable BMW G30 G31 G32 Alternator Wiring Starter-Base B+ 8595355
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1698202985
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698202985
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7624619
BMW F10 Cable Generator Alternator Starter Base B+ 7624619
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. CC1T-11000-DC
Ford Transit Custom Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-DC
€47.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7296090
BMW Z4 F30 F31 E89 Headlight Ballast Control Unit Xenon Light 7296090
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5293147
Relay Glow Littlefuse Mega Fuse 250 Amp 5293147
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118701185
Air Module Mercedes W211 W219 Control Unit ECU A2118701185
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 2379303
Engine Wiring Mini One F57 Petrol B38 Loom Cable Harness Injector Module 2379303
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7524843
BMW E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8639582
BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Automatic
€341.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8714621
Mini Cooper One F55 F56 F60 Telematics Control Unit Module 8734756
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2711504733
Mercedes W204 Injection Electrical Wiring M271 Petrol Engine Cable A2711504733
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2535400701
Mercedes A238 M276 Engine Alternator Wiring Loom Harness A2535400701
Promo price
€61.95
€52.66
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A2218708285
Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708285
€560.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 307873750AA
Mercedes W176 Steering Wheel Wiring Loom Harness 307873750AA
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9298962
BMW F20 F21 F22 F30 F31 F32 F33 F80 M3 Body Control Unit Module REM V5 9298962
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A6399001001
Mercedes W639 PDC Parking Park Sensor Distance Control Module A9064460046
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9132712
BMW X3 X5 E83 E53 Telematics Control Unit Module GSM 9132712
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6836210
Telematics Control Unit Mini F54 F55 F56 F57 F60 Module 84106836210 6836210
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9214813
BMW X5 E70 Safety Airbag Control Unit Module ECU X6 E71 Bosch 9214813
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A0009004434
Mercedes W177 W247 Telematics Bluetooth Module Control Unit ECU A0009004434
€142.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 03G903139D
Audi A4 B7 Engine Alternator Mount Support Bracket 1.9 2.0 TDI 03G903143D
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1729008206
Interface Module Mercedes W176 W204 W212 Multimedia Control Unit A1729008206
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. F20-On-Board-Screen
On-Board Screen BMW F20 F21 F30 F31 Information Display Touch Monitor 8,8"
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6934021
BMW 7 Series E65 E66 Front Left Right Door N/O/S Wiring Loom Harness 6920291
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6923547
BMW E65 E66 6-fold CD Changer Multichanger Without Magazine 6923547
Promo price
€132.95
€113.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2128208826
Mercedes W212 Door Control Module Unit ECU Rear Right O/S A2128208826
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1685400830
Mercedes A W168 Petrol Engine Starter Alternator Electrical Cable A1685400830
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8630168
BMW 3 F30 LCI 330e Hybrid Charging Control Unit Bracket Holder Mount 8630168
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8507899
BMW F31 N47N 320d Engine Wiring Harness Module Diesel 8507899 8507896
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A2535402605
Mercedes GLC X253 Rear Bumper Wiring Loom PDC Harness Parking Sensor A2535402605
€66.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4H0907601A
Audi S4 B8 Alarm Siren Body Sound Impact Actuator Speaker 4H0907601A
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2059005122
Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9194824
BMW Z4 E89 Convertible Roadster Air Module ECU Control Unit 9194824
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8709212
Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212
€142.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7800167
BMW E70 LCI E90 E91 LCI F10 F11 N57 Lead Preheater Wiring System Diesel 7800167
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9315151
BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0971235
Audi A6 C6 Negative Battery Terminal Cable Wiring 4F0971235
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9142400
BMW Mini Cooper R55 R56 R57 Passenger's Door Module Cables N/S 9142400
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7560626
BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6917548
Mini R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8615581
BMW 3 F30 LCI 330e B48X Control Unit Bracket Holder Mount 8615581
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7622995
Cable Alternator Starter BMW F20 F21 F30 F31 N55 Battery Wiring Harness 7622995
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8518268-2
BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual
€94.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2218201811-2
Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6951674-CAR
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Carbonschwarz Black
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
Part no. A0355400445
Mercedes W204 W212 W221 AMG Fuel Pump Module Control Unit ECU A0355400445
€70.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6887752
ICM Air Module BMW F20 F21 F22 F30 F31 Control Unit ECU 6887752
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A1245401850
Mercedes W124 M103.940 Engine Fuse Box Module Unit A1245401850
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9298961
BMW 1 3 4 Series F20 F21 F30 F31 F32 Body Control Unit Module REM 9298961
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2059005222
Seat Module Mercedes W205 W253 Memory Control Unit Passenger's Side A2059005222
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6940763
BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7374942
BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8574352
BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic
€89.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2059004321
Mercedes W205 X253 Front Right O/S Door Control Unit Module A2059004321
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9301308
BMW F20 F21 F22 F30 Control Unit Air Conditioning System 9301308
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8P0035785-1
Audi A3 8P Multimedia Interface Unit Module Bracket Mount 8P0035785
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9118108
BMW 1 Series E81 E82 Wiring Set Door Co-driver 9118109
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9338153
Mini F54 F60 Clubman Countryman Antenna Aerial Amplifier AM / FM Unit 9338153
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A9076830400
Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0959655N
Audi A4 B8 A5 8T Air Module Control Unit ECU 8K0959655N
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7527610
Mini Cooper R50 W10 116HP Petrol Engine Control Unit ECU DME 7527610 Automatic
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5Q0959592F
Door Module Audi A3 8V Volkswagen Golf 7 Control ECU Front Left N/S 5Q0959592F
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8P0907063A
Audi A3 8P BCM Body Control Unit Comfort Module 8P0907063A
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9188853
BMW X5 E70 X6 E71 Battery Earth Cable Ground - Pole Lead L= 490MM 9188853
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1679050200
Mercedes A238 Tailgate Boot ECU Control Unit Module A1679050200
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1645460261
Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7600564
Mini Cooper R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7579136
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A6421540402-1
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
Promo price
€70.95
€60.31
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8671504-1
Starter BMW G20 G21 G30 G32GT G01 G05 Starter Motor Valeo 8671504
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8570676-1
BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
€47.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7808073
BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9362398
BMW F20 F21 F30 F31 F32 F45 Body Control Unit Module REM 9362398
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6938221
BMW 3 Series E90 E91 Wiring Loom Front Door Left Passenger Side 6938221
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9183233
BMW E60 E61 LCI Centre Console Switch Cluster Control Unit ECU Module 9183233
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 .