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. 95B919606E
Porsche Macan 95B MMI Multimedia Navigation Control Head Unit 95B919606E
€332.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9145172
BMW E90 E91 E92 E93 LCI Battery Bracket Lower Section Box 9145172
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. A2649001200
Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200
Promo price
€227.95
€136.77
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8607569
BMW X5 F15 40eX N20 Hybrid Starter Motor Automatic Transmission 8607569
Promo price
€170.95
€102.57
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 6R0802717B
Seat Ibiza 6J Audi A1 8X Battery Tray Holder Mounting Bracket Cover 6R0802717B
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2128201789
Mercedes W212 Antenna Amplifier Aerial Module C Pillar Left N/S A2128201789
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. KK3T-14D068-JD
Ford Transit Mk8 Fuse Box Power Distribution Relay 2.0 Diesel KK3T-14D068-JD
€170.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A1695406409
Mercedes W169 W245 Battery Earth Negative Cable Wiring Loom A1695406409
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8W8971687M
Audi A5 F5 Sportback Door Wiring Harness Loom Rear Left N/S 8W8971687M
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9298959
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
Promo price
€56.95
€48.41
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 4H0907401M
Audi A8 4H 3.0 TDI CTBA Quattro 258HP Engine Control ECU 4H0907401M
Promo price
€446.95
€379.91
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2465401850
Prefuse Box Mercedes W176 OM607 Fuse Relay Control Unit A2465401850
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8606306
BMW F10 F11 F30 184 HP Petrol N20 Engine Control Unit ECU DME 8606306 Manual
Promo price
€398.95
€239.37
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9315080
BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. A2469008115
Mercedes W176 W246 Gearbox Transfer Case Control Module Unit ECU A2469008115
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6904165
BMW X5 E53 Front Dashboard Centre Console Lighter Wiring Loom Harness 6904165
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2048208526
Mercedes W204 Parking Sensor Parktronic Display Control A2048208526
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8J0035456A-1
Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8V51-14A075-CA
Ford Fiesta Mk7 Positive Battery Terminal Fuse Box Cover Lid 8V51-14A075-CA
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 1S0919275D-BLK
Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 7243564
BMW F20 F30 Front Sport Seat Backrest Heating Mat Element 7243564
Promo price
€51.95
€31.17
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 9253477
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE IIIR 9253477
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2044400605
Mercedes W204 Wiring Loom Cable Harness Door Front Left N/S A2044400605
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 6946393
BMW E60 Hands Free Electronics Charging MULF 6946393 84216946393
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 5Q0937084DR
Audi Q2 GA Body Control Comfort Unit Module BCM Unit ECU 5Q0937084DR
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8571350
BMW 1 5 Series F10 F11 F20 F21 LCI B47 Starter Acoustic Vibration Plug 8571350
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8510829-3
BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 6986077
BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6986077
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2048705490
Mercedes-Benz C W204 Digital Audio DAB Receiver Control Unit Module A2048705490
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. A2129004025
Mercedes W212 Fuse Box Relay Control Unit Module SAM A2129004025
Promo price
€132.95
€79.77
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8P0035503M
Audi A3 8P Bluetooth Antenna Module Control Unit 8P0035503M
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9266838
BMW X3 F15 Can Bus Interface 120Ohm Control Module Unit ECU 9266838
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A1718300272
Mercedes A B ML Class W166 W169 W245 Interior Temperature Sensor A1718300272
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8E0057185KX
Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert 8E0057185KX
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7M0951253C-1
VW 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
-5%
Part no. 1709317
BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 5Q0907530AC
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 2GA035284B
Audi Q2 GA Online Services Control Module ECU Unit 2GA035284B
Promo price
€142.95
€85.77
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8R0907468N
Audi A5 8T Gateway Control Module Unit ECU 8R0907468N
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 899543000
Porsche Boxster 986 A/C Air Conditioning Relay Control 12V 10A 899543000
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2135403839
Mercedes W213 C238 Power Relay Fuse Box Unit Cover A2135403839
Promo price
€56.95
€48.41
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. A2749000800-7
Mercedes W205 C200 274.920 184HP Engine Control ECU Kit A2749000800 Automatic
€303.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8586536-6
BMW F30 F32 LCI 335d 435d N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
Promo price
€398.95
€239.37
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. KK2T-15K868-AEE
Ford Transit Custom Rear Bumper Parking Sensor Wiring Loom KK2T-15K868-AEE
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8K0907637A
Audi A5 8T Acceleration Yaw Rate Sensor Module Control Unit ECU 8K0907637A
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8580192
Glow Plug Cable BMW G20 X3 G01 B47 Wiring Harness Engine Glow Module 8580192
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. LR034020
Range Rover L405 Engine Starter Motor Unit 4.4 Diesel CPLA-11001-AC
€61.95
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 9299335
BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9299335
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. F1ET-14A584-CDE
Ford Focus Mk3 Front Wiring Cable Harness Door Driver's Side F1ET-14A584-CDE
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 8K0959792
Audi A4 B8 Door Module Control Unit Module ECU Front Left N/S 8K0959792
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2129005101
Fuse Box Mercedes W212 Rear SAM Relay Fuse Box Control Module A2129005101
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. A2129004911
Fuse Box Mercedes W207 Front Relay Control Unit Module SAM A2129004911
€70.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2059001240
Mercedes GLC 220d X253 Air Conditioning Climat A/C Control Module A2059001240
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. KV6T10C679BC
Ford Transit Connect Battery Cable Negative Lead Terminal Harness KV6T10C679BC
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A9069000401
Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9069000401
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 9292945
BMW F20 F21 F22 F30 F31 F32 F36 FEM Module Control Unit 9292945
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6929554
BMW E65 E66 Door Air Module Sensor Control Unit Front Right O/S 6929554
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2048207885
Mercedes-Benz C-Class W204 Rear Right Door O/S Control Unit Module A2048207885
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 9196929
Seat Control Module BMW E60 E61 ECU Seat Controller Unit Module 9196929
Promo price
€61.95
€37.17
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 8200568535-1
Renault Master 3 Vauxhall Movano B 2.3 DCI Diesel Starter Motor 8200568535
Promo price
€56.95
€48.41
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9253780
Boot Release Switch BMW F01 F02 F10 F11 LCI Auto Tailgate 9253780
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9270491-BS
PDC Parking Sensor BMW E70 LCI F07 F25 Ultrasonic Black Sapphire 9216207
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 4H0959795P
VW Touareg 7P Rear Door Module Control Unit Left Right N/O/S 4H0959795P
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9159795
BMW X5 X6 E70 E71 Control Unit Air Module Bag ECU Unit Bosch 9159795
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9286640
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9286640
Promo price
€237.95
€202.26
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8519663-14
Mini Cooper D R56 LCI R60 N47N 112HP Diesel Engine Unit ECU DDE 8519663 Manual
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7516404
BMW E60 Cable Starter Generator Alternator B+ Base Wire Harness 7516404
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2128203589
Antenna Amplifier Mercedes W212 Aerial Module Rear Roof Frame Right A2128203589
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 4M0907247A
Keyless Entry Amplifier Audi A4 B9 A5 F5 Control Box Module Antenna 4M0907247A
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9321879
BMW F10 LCI Body Control Module Gateway ECU 9321879
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 4H0881073B
Audi A8L 4H Front Seat Air Pump Control Module Unit 4H0881073B
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8579478-4
BMW F20 F30 120d 320d Diesel N47N 184HP ECU Unit DDE 8579478 Automatic
Promo price
€94.95
€56.97
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. A2465400340-1
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6922211
BMW E81 E87 E90 E60 Mini R55 R56 R57 Interior Aerial Comfort Access 6922211
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9811260
BMW Mini Cooper R60 Wiring Passenger Loom Front Door Cables Left N/S 9811260
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 8636054
BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8636054
Promo price
€165.95
€99.57
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 8V0035398A
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035398A
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9259469
BMW X3 F25 Fuse Box Power Distribution Control Unit Module Rear 9259469
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6921980
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6923217
BMW 6 E64 E64 LCI Bracket Control Unit Vehicle Electrical System 6923217
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 6J0035342E
Seat Altea 5P1 Media-IN Socket Multimedia Interface Module 5P0035341G
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 6P0035225
Seat Ibiza Mk4 Keyless Entry Amplifier Aerial Antenna Module Unit 6P0035225
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9207416
BMW X6 E71 Map Card Fuse Box Grouping Diagram 9207416
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9206056-TS
BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00
-15%
Part no. A2129004407
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129018103
Promo price
€56.95
€48.41
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. K1BT-18B955-FC
Ford Transit Custom Dashboard Display Screen Monitor Touchscreen K1BT-18B955-FC
€113.95
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 7552815
BMW Z4 E89 23i 30i N52N Alternator Denso 170A 7552815
€85.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 9276016
BMW F11 Aerial Antenna Amplifier Diversity 868 MHZ 9276016
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
€37.95
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7634061
BMW F10 Engine Transmission Module Cable Loom Wiring Harness 7634061
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9286171
BMW F20 Front Right O/S Wiring Loom Harness Door O/S 9251711
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 7514610
Injection Valve Wiring BMW E60 E61 E65 N62 N62N Ignition Loom Harness 7514610
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 6766003
BMW X3 E83 Z4 E85 E86 Fuel Pump Module Control Unit 6766003
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 9319918
Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00
-40%
Part no. 7583526-1
BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual
Promo price
€417.95
€250.77
Free delivery: Feb 17 – 20
If paid before 14:00
Part no. 6R0959655C
VW Volkswagen Polo 6R Air Module Control Unit 6R0959655C
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00
-15%
Part no. 7843349
BMW F10 F11 LCI M5 F06 F13 M6 S63N Cable Alternator Starter Base B+ 7843349
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00
-5%
Part no. 969713
BMW F01 F07 Boot Trunk Lid Tailgate Lock Wiring Harness Loom Cable 969713
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 .