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. 04L907309R-4
Skoda Octavia III 5E 2.0 TDI 184HP CUNA Engine Control ECU Kit 04L907309R Manual
€142.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 0010020V001
Smart ForTwo C450 M160.920 0.7 61HP Engine Control ECU 0010020V001 Automatic
€66.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6950364
BMW E65 E66 Front Right Door O/S Wiring Harness Carrier 6950364
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 4G0907355G
Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9438731
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9438731
Promo price
€151.95
€91.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9341546
BMW F40 G20 G30 Accelerating Sensor 9341546
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A1728202989
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1728202989
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1775405501
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775405501
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2139002722
Door Module Mercedes W205 W213 X253 Rear Left Door Control Unit A2139002722
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A1694710141
Mercedes W169 W245 Fuel Pump Cable Harness Bracket Mount Trim A1694710141
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6940588
BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6940588
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7614083
BMW F20 F21 F22 F30 F31 F32 LCI Earth Ground Cable Battery Wiring 7614083
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6964139
BMW 7 Series E65 E66 E67 Front Control Unit Door Passenger Side 6964139
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9228914
Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914
Promo price
€284.95
€170.97
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9270500
BMW X3 E83 PDC Parking Ultrasonic Sensor Angled Schwarz
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1695450046
Mercedes-Benz A C W169 W204 Battery Relay Module Box A1695450046 A0035422619
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2129008825
Mercedes C204 Fuse Box Control Unit SAM Module Relay A2129008825
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2229002112
Door Module Mercedes W205 GLC C253 Control Unit Rear Right O/S A2229002112
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5Q0035874B
Skoda Octavia 5E MMI Multimedia SAT NAV Radio Stereo Head Unit 5Q0035874B
€284.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1779004106
Door Module Mercedes C118 W177 W247 Front Right O/S Control Unit A1779004106
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. ML3T-10C652-BA
VW Amarok NF Battery Terminal Cable Wiring Battery ML3T-10C652-BA
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6975069
Mini Cooper One R50 R52 R53 Cable Door Right Wiring Harness Loom 6975062
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 2T1F-18C838-BC
Ford Transit Connect Head Unit Radio AM FM Cassette 2T1F-18C838-BC
€42.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6942556
BMW E87 E90 Seat Wiring Front Sport Seat Lumbar Loom Harness Cable 6942556
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. BM5T-14D212-CC
Ford B-Max Bluetooth Electronic Control Module Unit ECU Mk1 BM5T-14D212-CC
€37.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A2649001800
Mercedes C205 W213 W253 W257 Alternator Generator M264 Engine A2649001800
€351.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2078202910
Seat Control Module Mercedes A207 W207 Cabrio Rear Control Unit ECU A2078202910
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8512415-7
Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8512415 CAS3 Key Manual
Promo price
€227.95
€136.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6934648
BMW X5 E70 E91 LCI Touring Tailgate Trap Circuit Aerial Amplifier 6934648
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6933529
BMW 5 Series E60 E61 Centre Console Switch Centre DSC 6933529
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9380334
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9380334
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8D0951253-1
Audi A4 B6 B7 B8 Q7 4L A6 C7 A8 D4 Multi Use Relay Unit Module 4 Pins 8D0951253
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9491591-2
BMW F22 F87 F23 LCI Rear Tail Light Lamp Left N/S LED Wiring Loom 9491591
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8V4971036Q
Audi A3 8V Sportback Front Passenger's Door Loom Wiring Harness 8V4971036H
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8W0419065D
Audi A4 B9 A5 F5 Power Steering Column Control Unit Module 8W0419065D
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 0AD927755AT
VW Volkswagen Touareg 7L Gearbox Transmission Transfer Box Module 0AD927755AT
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9437208
BMW F45 F48 F49 Mini Countryman F60 Ground Earth Cable Adapter Mass 9437208
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2139068701
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 6826897
BMW F06 F12 F25 Wireless Charger Centre Console Phone Charging Module 6826897
€66.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A0009008214
Mercedes W177 W247 W447 W907 Fuel Pump Module Control Unit ECU A0009008214
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 420919275-BLM
Audi A5 8T Rear Bumper PDC Parking Distance Sensor Black Magic Pearl - C9Z
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9365305
BMW F20 F21 F22 F30 Telematics Comunication Control Module Unit ECU 9365305
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 13150706
Opel Corsa D Head Air Module Roof Side Curtain 13150706
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9224275
BMW F01 F02 F07 GT Control Unit Air Module ECU 9224275
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8P0035785
Audi A3 8P MMI Multimedia Interface Unit Module Control ECU 8P0035785
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9116978
BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9116978
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8S0971104
Audi TT FY Rear Bumper PDC Cables Set Wiring Loom Harness 8S0971104
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 6966551
BMW 5 Series E60 E61 Front Door Wiring Loom Harness Passengers Side 6966549
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 6R0971226A
Volkswagen VW Polo 6R Negative Battery Terminal Cable Wiring 6R0971226A
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9240943
Mini Cooper R55 R56 LCI R60 Electrical System Fuse Distribution Box 9240943
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 6C4971693E
VW Volkswagen Polo 6R Rear Door Harness Wiring Loom Cable Left N/S 6C4971693E
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 4G0907401F-1
Audi A7 4G 3.0 TDI CDUC Quattro Engine ECU Kit BCM + Ignition + Key 04L907445F
Promo price
€398.95
€239.37
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. E1BT-18C815-HE
Ford Fiesta Mk7 Radio Stereo CD Player Head Unit Multimedia E1BT-18C815-HE
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7588620-7
BMW E60 E90 325i 525i N53 218HP Engine Control Unit ECU DME Kit 7588620 Manual
€450.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8K0959793Q
Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793Q
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8651049
Mini Countryman F60 Battery Ground Earth Mass Cable 8651049
Promo price
€47.95
€40.76
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 6866990
Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990
Promo price
€56.95
€48.41
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8631656
BMW F20 F21 F30 LCI M140i 340i Wiring Harness Motor Sensor System Module 8631656
Promo price
€156.95
€94.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2135452840
Mercedes W213 ECU Bracket Control Unit Module Holder Mount A2135452840
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A0025450801
Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9187625
Bluetooth Module BMW E87 LCI E90 Hands Free High MULF2 9187625
€37.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A6421508900-6
Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic
Promo price
€450.95
€270.57
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6970701-1
BMW 3 Series E93 E93N LCI 1 Rear Bumper Antenna Aerial Telephone 6970701
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6932644-1
BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00

-5%
Part no. 4F0959792E
Audi A6 C6 Front Passenger Side Door Left N/S Module Unit Control ECU 4F0959792E
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 90589541
Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 90589541
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 5H0971104P
Volkswagen Golf Mk8 CD1 Parking Sensor Wiring Rear Bumper Loom Cable 5H0971104P
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8741637
BMW X1 F40 F48 Mini F55 F56 F57 F60 Earth Cable Battery Cable 8741637
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1669006105
Door Module Mercedes W176 W246 Front Right O/S Control Unit A1669006105
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A1779006715
Mercedes W177 Wireless Charger Centre Console Phone Charging Module A1779006715
€123.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7L6035680A
VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035680A
€474.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A0038202926
Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8W0959595M
Audi A4 B9 A5 F5 Door Module Rear Right Left N/O/S Control Unit 8W0959595M
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9285504
Distributor BMW X5 F15 X6 F16 B + Battery Power Distributor 9285504
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8R0919604A-1
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A0015452616
Mercedes W212 Transmission Control Unit Module VDO EGS 722.646 A0015452616
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9118263
BMW F01 F02 F03 F10 Antenna Amplifier Module Trap Circuit 9118263
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9162930-WB1
BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896 SET X2
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2054404136
Mercedes W205 Battery Lead Wiring Loom Cable Hybrid Cable Harness A2054404136
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 7589971-8
Mini Cooper R55 R56 Engine N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Manual
Promo price
€170.95
€102.57
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A1669004519
Mercedes C292 SAM Module Rear Control Unit A1669004519
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 4F0959795E
Audi A6 C6 Rear Door Left N/S Module Unit Control ECU 4F0959795E
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2129000406
Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 4F1862335
Audi Q7 4L Bluetooth Interface Telephone Control Module ECU Unit 4F1862335
Promo price
€66.95
€40.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7558911
BMW 1 Series E81 E82 E87N E88 NOx Cable Wiring Petrol 7558911 12517558911
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8576341-10
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual
Promo price
€132.95
€79.77
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8200279219
Smart Fortwo C453 Positive Battery Terminal Plus Pole Point Case 8200279219
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9187533
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 4G0907697F
Audi TT FV LED Headlight Ballast Module Daytime Running Lights Unit 4G0907697F
€47.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9252819
BMW F01 F07 F10 F11 F12 Camera Module Based Assist Systems Control Unit 9252819
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2046801231
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046801231
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2059002922
Door Module Mercedes W205 W253 C253 Front Left N/S Control Unit ECU A2059002922
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9265300
BMW 1 2 Series F20 F21 F22 F23 LCi Headlight Switch Control Element Light
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5N0035341B
Volkswagen Golf 5 Multimedia Interface Module Box 5N0035341B
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A9079004105
Air Module Mercedes Sprinter W907 W910 Control Module ECU A9079004105
Promo price
€85.95
€51.57
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 .