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. 4F0971687A
Audi A6 C6 Door Window Motor Wiring Cable Loom Front Right O/S 4F0971687A
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9662854180
Citroen C4 Starter Motor Diesel Engine 1.6 HDI Actuator Unit 9662854180
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9231466
BMW 2 3 4 Series F22 F30 F32 Antenna Amplifier Module Trap Circuit 9231466
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9326437
BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7823310
BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9319081
BMW F20 F21 F22 F30 F31 F32 Radio Remote Control Receiver 434 MHZ
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 5QS959655A
Audi A3 S3 8Y Air Module Crash Impact Sensor Unit Control ECU 5QS959655A
Promo price
€303.95
€182.37
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7H0937086H
VW Volkswagen Transporter T5 Body Control Module BCM Control Unit 7H0937086H
€189.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. ET7T-18B955-BC
Ford Fiesta Mk7 Dashboard Display Multifunction Screen Monitor ET7T-18B955-BC
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8510221-6
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€108.95
€65.37
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 06J903023G
VW Volkswagen Polo GTI 6R Golf Mk7 Alternator Generator 14V 140A 6J903023G
€42.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6925966-2
BMW X3 E83 LCi Rear Door Window Lifter Right O/S 6925966
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 2751617
Mini R56 R57 Battery Valve Breather Vent Hose Pipe R55 2751617 1377745
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9348358
BMW E60 Body Comfort Control Unit DDE Module ECU 9348358
Promo price
€94.95
€56.97
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 6956939-1
Changer Unit BMW E63 E64 6-disc Compact CD Head Player 6956939
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9857620
Door Wiring Mini F60 Cable Loom Rear Left Right N/O/S Harness 9857620
Promo price
€66.95
€40.17
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2049005601
Mercedes W204 S204 Estate SAM Control Unit Module Rear A2049005601
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2075405205
Mercedes W207 Door Cable Wiring Loom Front Left Right Door N/O/S A2075405205
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6837359
Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 1742690
BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A1698706094
Mercedes W169 W245 Radio Player Audio 20 Stereo CD Head Unit Display A1698706094
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8375408
BMW X5 E39 E53 Steering Column Wiper Switch Stalk 8375408
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 919504H071
Hyundai H-1 Fuse Box Module Control Unit ECU 919504H071
Promo price
€66.95
€40.17
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2215408245
Mercedes W221 Air Suspension Control Unit Module ECU A2215408245
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7789755
BMW 5 6 Series E60 E61 E63 E64 LCI Cable Starter-Base B 7789755
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9264924
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 6941503
BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 6941503
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A0025422619-3
Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9261614
BMW 1 2 Series F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier Silver
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7625474
MINI Cooper F55 F56 F57 F60 Battery Mounting Bracket Part Holder 7625474
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8V5035225
Audi A3 8V Keyless Entry Amplifier Control Box Module Aerial Antenna 8V5035225
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A1679006613
Mercedes W177 Sliding Roof Module Sunroof Panoramic Control Unit A1679006613
Promo price
€99.95
€84.96
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9213374
Mini R55 R56 R57 Cover Power Distribution Fuse Box 9213374
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. CC1T-14A073-CC
Ford Transit Mk7 Body Control Module Unit FS JCT PLN ECU CC1T-14A073-CC
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7H0907300
Volkswagen Transporter T6.1 Engine Bay Main Fuse Box Top Cover 7H0907300
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 93457542
Radio Player Renault Trafic III Vauxhall Vivaro B Audio Head Unit 93457542
Promo price
€227.95
€136.77
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 7111904
BMW X5 E53 Front Driver Seat Memory Electric Wiring Loom Harness 7111904
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A2129005614-1
Mercedes C207 W212 W218 Head Unit Navi CD Player Navigation A2129005614
€237.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9225831
BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2479002513
Telematic Control Module Mercedes W447 W907 W910 Telematics Unit A2479002513
Promo price
€113.95
€96.86
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7899655
Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6926472
BMW E65 E66 E67 Phone Transmitter Receiver Module ECU SIEMENS 6926472
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2479002307
Mercedes W177 W247 4Matic Transfer Control Unit Module ECU A2479002307
Promo price
€137.95
€82.77
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A6549061600
Starter Motor Mercedes W205 W213 W238 W447 OM654 Engine Diesel A6549061600
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7795485
BMW X1 E81 E84 E87 E90 E91 Earth Cable Battery Cable 7795485
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7615308
BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 4F1971035N
Audi A6 C6 Front Driver Side Door Wiring Harness Loom Cable 4F1971035L
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7649087
BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8642682
BMW 3 Series F30 LCI 330e Negative Earth Cable High Voltage Battery 8642682
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7990758-CAR
BMW F33 PDC Ultrasonic Parking Sensor PDC 7990758 Carbonschwarz Metallic - 416
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9297897
BMX X4 F26 X6 F16 Cental Woofer Speaker Audio Unit Left Right N/O/S 9297897
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9343317
Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7577968-5
BMW E60 E90 Z4 E85 N52 323i 523i 177HP Engine Control ECU DME Kit 7577968 Manual
€165.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 4G5971085AF
Audi A6 C7 Rear Bumper Parking Sensor PDC Wiring Harness Loom Cable 4G5971085AF
€127.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. GR3T-19C107-KK
Ford Mustang Mk6 GT Radio Stereo Multimedia Player Head Unit GR3T-19C107-KK
€465.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A2218706887
Mercedes W221 Head Unit Multimedia TV Player CD Changer Inverter A1679001014
€569.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9866978
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9866978
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 2Q0959655AN
Volkswagen Transporter T6 Air Module Sensor Control Unit ECU 2Q0959655AN
€379.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7L0907719
Volkswagen Touareg 7L Anti Theft Alarm System Control Module Unit ECU 7L0907719
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9299594
Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594
Promo price
€62.95
€37.77
Free delivery: Feb 17 – 20
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: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
Promo price
€132.95
€79.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6963013
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6963013
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2465402705
Mercedes W176 Door Harness Loom Cable Wiring Front Left Right N/O/S A2465402705
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9311850
BMW 1 3 Series F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9311850
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1669006507
Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A1698209926
Mercedes W169 W245 ECU Air Control Unit Sensor Module A1698209926
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 7622980
Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2118703185
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8574372
BMW F30 F32 330d 430d Diesel N57N Engine Control Unit ECU DDE 8574372 Automatic
Promo price
€189.95
€113.97
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8046454
BMW E81 E82 E87 E90 PDC Ultrasonic Sensor Front Rear Melbourne Red - A75 8046453
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A9079001605
Mercedes W907 Central Gateway Control Unit Module Relay ECU A9079001605
Promo price
€465.95
€279.57
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8571036
Mini F54 F55 F56 F57 Wiring Harness Engine Supply Module 8571036
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6868598
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Control Unit Module 6868598
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A1649063500
Mercedes ML W164 Head Unit Sat Nav GPS CD Audio Radio Player A1649063500
€284.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5A31DE9
BMW F40 Telematics Bluetooth Control Module Unit 5A31DE9
€213.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5A071E5
BMW G20 G30 X3 G01 X4 G02 Head Unit High 3 Multimedia Module Harman 5A071E5
€474.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 7853460
Gearbox Wiring BMW F87 M2 N55 Engine Automatic Loom Harness Cables 7853460
Promo price
€94.95
€56.97
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 2622598
BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
€66.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 4H0959655H
Audi A7 4G8 Air Module Control Unit ECU SRS Module Unit 4H0959655H
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2198200326
Door Module Mercedes C219 Rear Door Right O/S Control Module A2198200326
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8P7907115L-1
Audi A3 8P 1.8 TFSI CDAA 160HP Engine ECU Kit Ignition + Key 8P7907115L Manual
€189.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 4H0907468AF
Audi A8 D4 Central Diagnostic Getaway PKO Control Unit Module ECU 4H0907468AF
Promo price
€66.95
€56.91
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9387626-1
MINI Cooper One F55 F56 Rain / Light / Solar HUD Sensor Windshield 9387626
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9381837
BMW X1 F48 Mini F55 F56 Air Module Control Unit ECU 9381837
Promo price
€85.95
€51.57
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2045400440
Battery Bracket Mercedes W204 W207 Battery Mount Support Holder A2045400440
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1775402111
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775402111
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9226333-1
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9226333
€51.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8506374-6
BMW E60 E87 E90 120d 177 HP N47 ECU Engine Control Unit DDE 8506374 Manual
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 1378238-1
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9323554
BMW 1 3 Series F20 F21 F30 Operating Unit Audio FBM Control Unit Panel 9323554
€32.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8X0959673
Audi A1 8X Windscreen Heating Control Switch 8X0959673
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 141951253B-1
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 2100493N
Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 2100493N
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 .