Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 6906604
Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906604
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A0015453716
Mercedes C209 Engine Kompressor 5 Speed Gearbox GSG Module Control A0015453716
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 04E0919064
Audi A8 D3 Door Lightning Module Control Unit Front Rear 04E0919064
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 03L906022NP-1
Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2229009915
Keyless Module Mercedes W205 W213 ECU Door Lock Control Unit A2229009915
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8R0907401J-1
Audi Q5 8R 3.0 TDI CCWA 240HP Quattro Engine ECU Kit Ignition + Key 8R0907401J
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2129060005
Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129060005
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9381581
BMW i3 I01 IBS Cable Negative Battery Lead Wiring Harness Control Unit 9381581
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A9065460121
Mercedes W906 Battery Cable Negative Lead Wiring Harness A9065460121
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A9078209600
Mercedes W907 L2H2 Electric Radio Player Head Unit A9078209600
Promo price
€218.95
€186.11
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9328591
BMW X6 F16 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9328591
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6960221
Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6821135
BMW F20 F21 F22 F30 F31 Head Unit Media DAB Navigation Business Headunit 6821135
Promo price
€113.95
€96.86
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9285505
Distribution Junction BMW X5 X6 F15 F16 Power Battery Control Unit 9285505
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2079004400
Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8649179
BMW X5 F15 Positive Wiring Harness Cable Battery 8649179
€89.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. KT1T18B955EB
Ford Transit Connect Mk2 II Dashboard Display Screen Panel KT1T-18B955-EB
€123.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A6569000200-1
Mercedes W213 E400d OM656.929 Diesel Engine ECU Kit A6569000200 Automatic
Promo price
€569.95
€341.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7823755
Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
Promo price
€137.95
€82.77
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 7649131
BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
€237.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 6921415
BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6921415
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2468201915
AUX Jack Port Mercedes C117 W246 W176 Wiring Loom Cable Harness A2468201915
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1K0907655D
VW Touran 1T Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8377658
BMW X5 SERIES E53 TV amplifier 8377658
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 913463601
Seat Module BMW E65 Front Seat Control Unit Module ECU 913463601
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8512415
Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine Control Unit ECU DDE 8512415
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7619136
BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9187933
BMW 1 3 Series E88 E93 Mini Cabrio R57 Rollover Control Module Unit 9187933
€132.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8574091
BMW F10 F11 520d N47N 184HP Engine Control Unit ECU DDE 8574091 Automatic
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8X0959792F
Audi A1 8X Front Door Control Module Unit Passenger Side 8X0959792F
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7700844682A
Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6960222
Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
Promo price
€113.95
€96.86
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1729007003
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729007003
Promo price
€104.95
€89.21
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9201128
Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 5A25FC9
BMW G30 Fuel Pump Module Control Unit ECU 5A25FC9
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3455305
Mini R57 R57N R58 R59 DWA-Alarm System Relay ECU 3455305 65753455305
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2439008400
Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0959795C
Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6863433
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6863433
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6998487
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6998487
Promo price
€155.95
€132.56
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A9075402705
Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
Promo price
€132.95
€79.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2189015200
Mercedes X218 Air Module Control Unit ECU Module A2189015200
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3450646
Mini Cooper Convertible R57 Fuse Box Electrical Control Unit 3450646
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A0028202426
Mercedes W211 Xenon Headlight Level Control Module A0028202426
€28.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8K0959792D
AUDI S5 8T Door Control Module ECU Front Left N/S 8K0959792D
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7601305
BMW F10 F11 LCI F13 N63 N63N Petrol Water Pump Adapter Lead Cable Wiring 7601305
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9286110
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9286110
Promo price
€113.95
€96.86
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-40%
Part no. 03F906070GN-2
Audi A1 8X 1.2 TFSI CBZA 86HP Engine Control ECU Kit 03F906070GN Manual
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. KV6T10C679BC
Ford Transit Connect Battery Cable Negative Lead Terminal Harness KV6T10C679BC
€28.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9171925
BMW E88 Convertible Air Module Sensor ECU Control Unit Module 9171925
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8517874
BMW F20 F21 F30 116d 316d Diesel N47N Engine Control Unit ECU DDE 8517874 Manual
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9267980
BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9666968177
Citroen Berlingo Peugeot Partner CD Player MP3 Radio Stereo Head Unit 9666968177
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9282069
BMW 5 Series F10 F11 Cable Loom Front Driver's Door Wiring Harness 9255986
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0045468440
Mercedes W177 Power Distributor Connector Plug Unit A0045468440
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0045454140
Mercedes ML W164 W251 Door Wiring Joint Protective Cap Bracket
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0915181N
Audi A1 8X Negative Battery Terminal Cable Wiring 8K0915181N
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7520019-5
MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7520019 Manual
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A0009009213
Mercedes W447 Fuel Pump Control Module A0009009213
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A9069014700
Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
Promo price
€132.95
€113.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9496815
Front Impact Sensor BMW F70 G05 G14 G15 G29 Safety Crash Module Unit 9496815
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2218704192
Mercedes W221 Air Condition Climate Control Module Unit A2218704192
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7809680
Engine Wiring BMW F10 F11 N57 N57S Loom Cable Harness Injector Module 7809680
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4G8959795F
Audi A7 4G Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795H
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9348726
BMW F20 F21 F30 Air Module Control Unit 0285013626 9461918 9296494 6826983
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9322120
BMW F30 F31 F32 F33 Central Information Display Screen 6,5" 9322120
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5N0971228
VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6958526-1
BMW 5 X5 X6 Series 1 E60 E61 E70 E71 F10 F11 Seat Adjustment Switch Right O/S
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2125420018-TNG
Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey - 755 A2125420018
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3414469
BMW X3 E83 Fuse Grouping Front Stick-on Label Diagram 9267980
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 5Q0907530AJ
Audi RS3 8V Gateway Control Module GCM Unit ECU 5Q0907530AJ
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8P3907357B
Audi S3 8P Xenon Headlight Range Control Module Unit ECU 8P3907357B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4H0959795D
Audi A8L 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795D
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2125458040
Bracket Holder Mercedes W204 W212 W222 Auxiliary Generator Battery A2125458040
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1646803535
Mercedes-Benz M-Class ML W164 B-Pillar Trim Cover Bottom Left N/S A1646801935
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8380118
BMW E46 Amplifier Holder Audio Catch Bracket Mount Trim 8380118
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2139002210
Mercedes-Benz W176 W205 W207 W213 Bluetooth Control Unit Module ECU A2139002210
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8P0035535
Audi A4 B7 Amplifier Bracket Aerial Antenna Module Mount Holder 8P0035535
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1779002207
Mercedes W177 Rear Left Right N/O/S Door Control Module A1779002207
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7823420-1
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 141951253B
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 141951253B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8363668
BMW X3 X5 Series E53 E83 Steering Column Turn Indicator Switch Stalk 8363668
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 5A4A1E1
Kafas Camera BMW G20 G30 G28 G80 F40 F44 Front Assist Camera Module 5A4A1E1
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9352786
BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9352786
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8506434
BMW E87 E90 LCI N47 118d 318d Diesel Engine Control Unit ECU DDE Manual Gearbox
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2229004213
Keyless Module Mercedes W205 W213 C253 ECU Door Lock Control Unit A2229004213
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 5Q0937615C-1
Audi TT FV Fuse Relay Box Module Electrical Control Unit 5Q0937615C
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A9069001002
Mercedes Sprinter W906 Parking Control Unit Module Sensor PDC A9069001002
€89.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A2129018508
Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
€28.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118703226
Mercedes W245 Bluetooth Control Unit Module Hands Free A2118703226
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 03L906018JM-1
Audi Q5 8R 2.0 TDI CGLC Quattro 177HP Engine Control ECU Kit 03L906018JM Manual
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9365819
BMW X5 F15 Wiring Rear Right O/S Door Harness Loom 9365819
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1668200689
Antenna Amplifier Mercedes W176 Aerial Module Unit Rear A1668200689
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A0009007126
Air Conditioning Module Mercedes W205 W213 C253 A/C Control Unit ECU A0009007126
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. LHD-R56-CARPLAY
Mini R56 R57 Display Screen Instrument Cluster Speedo Android CarPlay 4+64GB LHD
€284.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8578609
BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
€32.95
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 .