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. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7492026-1
Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8516739-6
Mini SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8516739 + CAS3 + Key, Manual
Promo price
€227.95
€136.77
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9242204
Wiring BMW F12 F13 F06 Cable Set For Electric Parking Brake Handbrake 9242204
Promo price
€80.95
€48.57
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2218101817-1
Mercedes W221 Headlining Interior Mirror Rear Left Right N/O/S A2218101817
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7189312
BMW E60 E61 E90 E91 Xenon Adaptive Headlight Ballast Control Module
Promo price
€42.95
€36.51
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2229001306
Mercedes W910 Gearbox Module Transmission Basic Control Unit A2229001306
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9289679
BMW X5 F15 X6 F16 Antenna Amplifier Control Unit Module 9289679
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A6512011909
Mercedes W212 OM651 Alternator Support Bracket Belt Tensioner Holder A6512011909
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9268438
BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 8506444-1
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
€332.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8P0959655J
Audi A3 E 104 T Air Module ECU Sensor Control Unit 8P0959655J
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9335347
BMW F20 F21 F30 F31 Radio Player CD DAB Head Unit Audio Player 9335347
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8605454
Engine Wiring BMW F10 F21 F30 LCI F36 N20 Loom Module Harness Cable 8605454
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6751504
Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9118467
BMW X5 X6 Series E70 E71 Seat Backrest Adjustment Adapter Lead Cable 9118467
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 4H0907801E
AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2129009505
Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129009505
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8P0862335S
Audi S3 8P Interface Bluetooth Control Module Harman Becker ECU 8P0862335S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8W0915181A
Audi A5 F5 HV Battery Negative Cable Terminal 8W0915181A
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 4F9910402A-1
Audi A6 C6 3.0 TDI 240HP CDYA Quattro Engine ECU Kit 4F9910402A Ignition + Keys
Promo price
€284.95
€170.97
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2048704526
Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2139005213
Mercedes W213 Door Control ECU Module Front Left N/S A2139005213
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2129069900
Player Audio Mercedes C207 W212 Head Unit CD Media Radio Controller A2129069900
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2139004009
Mercedes W213 Door Module Front Left N/S Control Unit A2139004009
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9663381380
Peugeot 207 Engine Wiring Harness Cable Loom 1.6 HDi DV6 9663381380
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6825835
BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8200663057
Renault Clio Alternator Mount Bracket Holder Carrier 8200663057
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. A0009004434-1
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
Promo price
€170.95
€102.57
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2048709426
Mercedes W204 Air Module Control Unit SRS Sensor ECU A2048709426
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9143121-1
BMW E81 E87 E90 E91 E92 E60 E61 Loudspeaker Speaker Logic7 L7 HiFi Audio 9143121
€37.95
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9470037
Differential Locking Module BMW F40 F48 Rear Axle Control Unit ECU 9470037
Promo price
€75.95
€45.57
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7525696
BMW X5 E53 Ground Battery Cable Alternator Starter 7525696
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. A6421508900-7
Mercedes X218 CLS 350CDI OM642.853 Engine Control Unit ECU Kit A6421508900 Key
Promo price
€284.95
€170.97
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 5N0035552K
VW Tiguan 5N Antenna Amplifier Module Control Right O/S Unit 5N0035552K
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7G92-14324-AE
Earth Ground Cable Land Rover Freelander 2 Line Strap Battery Lead 7G92-14324-AE
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 1K0907530K
Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530K
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2465401950
Battery Base Mercedes C117 W176 W246 Power Fuse Relay Box A2465401950
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8642682
BMW F30 LCI 330e Negative Earth Cable High Voltage Battery 8642682
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8W0035192E
Audi A4 B9 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8W0035192E
Promo price
€284.95
€242.21
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A2098205489-1
Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
€327.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0055422618
Rate Sensor Mercedes W212 ESP Yaw Rotation Control Unit Module A0055422618
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9210147
BMW F20 F30 Central Bass Speaker Stereo Subwoofer Left N/S 9210147
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A2215402250
Mercedes W221 SAM Relay Fuse Box Module Control Unit ECU A2215402250
€170.95
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A6269060100
Starter Mercedes W205 Diesel OM626 Engine Starter Motor Bosch A6269060100
€66.95
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00
-5%
Part no. 9254025
BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 8W6971104A
Audi A5 F5 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8W6971104A
€32.95
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 8510137
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Control Unit DDE 8510137 Automatic
€113.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2115408445
Gateway Module Mercedes W169 W211 W245 W219 W203 Control Unit ECU A2115408445
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 09G927750CA
Audi TT 8N Automatic Gearbox Module Control Unit ECU 09G927750CA
Promo price
€142.95
€85.77
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6924879
Front Seat Module BMW E60 E61 E65 E66 Control Unit ECU 6924879
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. RHD-A1669005212
Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2075400740
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 1508927
Mini Cooper S R52 R53 Positive Battery Cable Lead Wire Cable B 1508927
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7556846
Battery Cable BMW E82 E90 E91 E92 N54 Alternator Starter Base B Cable 7556846
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2115455332
Mercedes C219 SAM Module Comfort Control Unit A2115455332
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9287433
BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 7810002-1
BMW 1 Series E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 7810002 Manual
Promo price
€332.95
€199.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6910920
Mini Cooper One R50 R53 Heater Temperature Control Actuator 0132801166
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. DV6T14B533BD
Ford Transit Connect Door Module Front Left N/S Control Unit ECU DV6T14B533BD
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9318750
Head Unit BMW F10 F20 F22 F30 F32 Navigation Sat Nav DAB High 9318750
Promo price
€170.95
€145.31
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2139003217
Gearbox Module Mercedes W177 W205 W213 Control Unit ECU Automatic A2139003217
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A1645403472
Mercedes W164 Fuse Box Relay Module Unit A1645403472
Promo price
€89.95
€76.46
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 6970090
BMW E63 E64 Start Stop Switch Wiring Harness Cable Loom Connector 6970090
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9342080
BMW Mini Cooper F55 F56 F57 F60 Telematics Control Unit Module 2622390
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2045451047
Control Unit Bracket Mercedes W204 W212 Audio Module Holder Mount A2045451047
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6915886
Air Module Mini R50 R53 Side Control Unit ECU 6915886
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9360372
BMW X6 F16 Fuse Box Power Distribution Relay Control Unit Box Rear 9360372
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A0005400764
Mercedes W205 Battery Negative Ground Bonding Line Wire Earth Cable A0005400764
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7787354
BMW X3 E46 E60 LCI E83 E87 Starter Motor 2.0KW Diesel M47N2 7787354
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8385987
BMW X5 E53 Support Bracket Navigation Computer 8385987
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6927275
BMW E60 E61 E65 E66 Seat Control Module Ecu Sensor 6927275
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A1179005800
Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800
Promo price
€85.95
€73.06
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 6772742
BMW 3 4 Series F80 M3 F82 M4 Control Unit Active Sound Design 2622362
Promo price
€222.95
€133.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2036901430
Mercedes C CLC Class CL203 W203 Rear SAM Unit Fuse Box Trim Cover A2036901430
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2128270228-SEL
Mercedes W212 Roof Antenna Amplifier Shark Selenite Grey - 992 A2128270228
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8385157-1
BMW X3 3 Series E46 E83 LCI 1 Start Point Housing Bracket Base B 8385157
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8A0937530
Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6819336
BMW F20 F21 F22 F30 F31 F32 F33 Fuse Box Body Control Unit Module REM V5 6819336
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0005456916
Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
Promo price
€27.95
€26.55
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6862756
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6862756
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2469067100
Mercedes W176 W246 C117 Fuse Relay Box Control Unit Module A2469067100
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9210151-2
Bass Speaker BMW F30 F31 F32 Central Subwoofer Harman Kardon Left N/S 9210151
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9276096
BMW 5 6 7 Series F01 F10 F13 Antenna Aeral Amplifier Diversity 868 MHZ 9276096
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A9079004807
Air Module Mercedes W907 W910 Control Unit ECU A2139008828
Promo price
€137.95
€117.26
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9241825
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9241825
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. lhd-A2218206389
A2218206389 W221 LHD
Promo price
€89.95
€76.46
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 6958358
BMW 5 X5 Series E39 E53 Hands-free Electronics Charging Module MULF 6958358
Promo price
€132.95
€79.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0035420419
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Black A0035420419
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8C1T18C815AA
Ford Transit Mk7 Radio CD Player Head Unit Autoradio 6000 CD 8C1T-18C815-AA
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 08
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, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8W0941824AK
Audi A4 B9 A5 F5 Q5 FY Fuse Box Battery Terminal 8W0941824AK
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6902265
BMW E65 E66 E67 Compact Base Support System Rear Black 6902265
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2385452700
Mercedes C238 Rear Control Unit Module Bracket Holder Trim Panel A2385452700
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9264573
BMW 3 Series E91 LCI ECU Body Control Module Junction Box H2 9264573
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 4H0971104S
Audi A8 D4 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 4H0971104S
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9273671
BMW 4 F33 Cabrio Convertible DAB Digital Radio Aerial Antenna Amplifier 9273671
Promo price
€75.95
€64.56
Free delivery - Wed, Oct 08
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 .