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. 9200503
BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 4L2910401B-1
Audi Q7 4L 3.0 TDI CRCA Quattro Engine ECU Kit Lock + Ignition + Key 4L2910401B
€854.95
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. A2139004119
Module Mercedes W205 Drivetrain Gearbox Control Module Unit A2139004119
Promo price
€104.95
€62.97
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 5Q0959595E
Audi A3 8V Door Control Module Unit ECU Rear Left Right N/O/S 5Q0959595E
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
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 29
If paid before 14:00

Part no. 02M911023P
Audi Volkswagen Seat Skoda 2.0 TDI Diesel Starter Motor Engine Bosch 02M911023P
€28.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 6958900
BMW 1 Series E81 E87 Antenna Amplifier Aerial Diversity Module 6958900 4142335
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 7266666
BMW F11 Touring Control Unit Rear Tailgate Boot Lid Function Module 7266666
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. A2045402710
Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. A2469009212
Mercedes X117 Tailgate Boot Control Rear Module Unit A2469009212
€80.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 6960220
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Right O/S Control Unit 6960220
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 3420482
BMW X3 E83 Ground Earth Cable Battery Wiring 3420482
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 9131850
CD Changer BMW E60 E61 E63 6-DISC Compact without Magazine 9131850
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 7L0937503
Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503
€56.95
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 8578504
BMW F30 LCI 335dX N57Z Engine Gearbox Module Wiring Cable Loom Harness 8578504
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 7N0959794K
VW Sharan 7N Rear Door Module Control Unit Left N/S Passenger Side 7N0959794K
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 8571084
BMW F20 F21 F30 LCI Wiring Injector Loom Harness Cable Module B47 Engine 8571084
€151.95
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. A0009067702
Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702
Promo price
€85.95
€73.06
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 6820234
Air Conditioning Module BMW F20 F21 F30 F31 A/C Control Unit 6820234
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 9339339
BMW 1 3 F20 F21 F30 F31 Driver Side Seat Wiring Loom Cable Harness 9339339
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 6948054
BMW Z4 E85 Front Door Wiring Loom Cable Harness Left N/S 6948054
€28.95
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. A1669062300
Mercedes W221 Rear Armrest DVD Player Control Headunit A1669062300
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 9237968
BMW F07 GT Central Gateway Module ECU Control Unit Lear ZGW-01 High 9237968
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 4G8959795A
Audi A7 4G8 Door Control Module Electrical Unit ECU Rear Right O/S 4G8959795A
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 9270491-BS
PDC Parking Sensor BMW E70 LCI F07 F25 Ultrasonic Black Sapphire 9216207
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. A1645451840
Mercedes W164 ECU Control Unit Bracket Holder A1645451840
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 4H0959107AB
Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AB
Promo price
€89.95
€53.97
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. A1679003504
Ignition Switch Mercedes W177 Electronic Anti Theft Control Module A1679003504
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 7796892
BMW E60 E61 X3 E83 X5 E70 X6 E71 Starter Motor Diesel 7796892
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. A2059001811
Mercedes W205 Rear Door Control Module Unit Left N/S ECU A2059001811
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 7647591
Engine Wiring BMW i3 I01 Hybrid Rex Sensors Cable Loom Harness 7647591
Promo price
€94.95
€56.97
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. A2055401900
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900
Promo price
€80.95
€48.57
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 8509722-1
Control Unit Box BMW F20 F21 F22 F30 F31 Engine Ecu Cover 8509722
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 6832695
Mini Clubman F54 Battery Cable Negative Terminal Wiring 6832695
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 9365837
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Headunit 9365837
Promo price
€218.95
€186.11
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 6983335-1
BMW E39 E46 E53 6-disc CD Multi Changer Control Unit Modul With Magazine 6983335
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 8K0971104F
Audi A4 B8 Rear Wiring Loom PDC Harness Parking Sensor 8K0971104F
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. A2429004101
Mercedes W204 W212 Telephone Control Unit Module ECU A2429004101
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. A2139000124
Mercedes W213 W222 C257 Amplifier Module Audio Burmester A2139000124
Promo price
€427.95
€256.77
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 9237655-2
BMW E60 E61 E81 E87 E90 F10 Audio Aux In Socket Plug 9237655
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
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 - Wed, Oct 29
If paid before 14:00

Part no. A6519005301-15
Mercedes W204 W212 E220CDI OM651 Diesel Engine Control Module ECU A6519005301
€113.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 1S0919275-PHB
Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU Phantom Black Z9Y
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 8582719-1
Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Manual
€408.95
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 7P0927601
Oil Pump Control Audi Q7 4L Volkswagen Touareg 7P Module Unit ECU 7P0927601
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 8K0907357A
Audi A5 8T Headlight Range Headlamp Control Unit Module ECU 8K0907357A
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. A2465407632
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407632
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. A2059007539
Fuse Box Mercedes S205 Interior Front Relay Fuse Box Sam Module A2059007539
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 8512415-2
Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
Promo price
€227.95
€136.77
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. A6395407809
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6395407809
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
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 29
If paid before 14:00

-5%
Part no. A0365457032
Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. A2118705189
Sound Amplifier Mercedes W204 W211 W212 C219 Audio Harman Becker AMP A2118705189
Promo price
€42.95
€25.77
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 8579420
BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625
€56.95
Free delivery - Wed, Oct 29
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 - Wed, Oct 29
If paid before 14:00

-40%
Part no. 8P4035223B
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223B
Promo price
€132.95
€79.77
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 9267214
BMW F20 F21 F22 F30 F31 F32 F33 F34 Air Control Unit Module ECU 9267214
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. A2125400450
Fuse Box Mercedes W212 Battery Terminal Control Unit Module A2125400450
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 9371790
BMW 1 Series F20 Telematics Control Unit Module Bluetooth 9371790
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. A1769051600-1
Mercedes W176 Front Pressure Impact Crash Sensor Module With Hose A1769051600
€113.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. A0018203126
Mercedes W168 Air Module Belt Locking System Sensor Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 6837359
Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 406349
Mini Cooper One R50 R52 R53 iPod Interface Control Unit Module 0406349
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 8676222
BMW 3 F30 LCI Hybrid 330e Battery Starter Connecting Lead Cable Wiring 8676222
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. A2711508033
Mercedes W204 Engine Wiring Harness Cable Loom A2711508033
Promo price
€313.95
€188.37
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 8E0907637B
Audi A6 C6 Yaw Module Rotation Rate Acceleration Sensor 8E0907637B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 6824386
Fuse Box Unit BMW F20 F22 F30 F32 Module ECU Control FEM 6824386
Promo price
€89.95
€53.97
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 2GA035284B
Audi Q2 GA Online Services Control Module ECU Unit 2GA035284B
€142.95
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. A9065400113
Mercedes-Benz Sprinter W906 Rear Door Licence Plate Lighting Wiring Cable
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 8518568-3
BMW F20 F30 120d 320d ed Diesel N47N 163HP ECU Kit DDE 8518568 + Key + FEM
€132.95
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 8T0907441D
AUDI A4 B8 Reversing Camera Control Module Rear View Unit ECU 8T0907441D
Promo price
€137.95
€82.77
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 9244417
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9244417
Promo price
€322.95
€274.51
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 9294199
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9294199
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 7645837
BMW i3 I01 Electric Gearbox Gear Shifting Actuator Module Unit 7645837
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 7301554
BMW F10 F20 F30 F32 Control Unit For Fuel Pump 7301554
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 03L911021G
Audi A4 B8 A5 8T A6 C7 Starter Motor Actuator Bosch Diesel Engine 03L911021G
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 9241032
BMW F10 F11 Active Pedestrian Protection PTS Front Bumper Sensor Unit 9241032
€56.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 7612860
BMW F20 F21 F30 F31 F32 Battery Holder Bracket Supporting Rail 7612860
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 6915327
BMW E46 E39 E60 E81 E87 E90 E91 F10 F20 F30 Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 8W1907063AG
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AG
€284.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 9253209
BMW E81 E87 LCI E90 E91 N43 DC/DC Wandler Torque Converter Module ECU 9253209
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 8806980
BMW i3 I01 LCI Door Wiring Cable Loom Harness Rear Left Right N/O/S 8806980
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. A0141541302
Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522
Promo price
€80.95
€68.81
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 8K0971688S
Audi A4 B8 Door Harness Loom Cable Wiring Rear 8K0971688S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 9315152
BMW X3 F25 Fuse Box Grouping Map Diagram Location 9315152
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. A2079002800
Mercedes W207 Convertible Door Module Front Right O/S Control Unit A2079002800
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. A2079010100
Air Module Mercedes W207 C207 Coupe Control Unit ECU A2079010100 5WK43967
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 4F0919887M
Audi A5 8T Navigation System Car Sat Nav Computer Head Unit 4F0919887M
Promo price
€104.95
€62.97
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 8T0035223AB
Audi A4 B8 8K A5 8T Sound System Audio Amplifier Amp Unit 8T0035223AB
€28.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. A2048205497
Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A2048205497
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-40%
Part no. 8580192
Glow Plug Cable BMW G20 X3 G01 B47 Wiring Harness Engine Glow Module 8580192
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 8X0959792D
Audi A1 8X Front Passenger Side Door Module Unit Control ECU 8X0959792D
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 7798141
BMW E87 E90 Control Unit Box Closed Lid Cover Trim Bracket Diesel 7798141
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

Part no. 8518268-2
BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual
€94.95
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 130002613-1
BMW 5 X5 7 Series E60 E61 E65 E70 Longitudinal Seat Adjusment Drive Motor
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 9212232
BMW F20 F22 F30 F31 AC Air Conditioning Pipe Hose Diesel 9212232
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-15%
Part no. 8N8035223A
Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. A2125405710
Mercedes W212 PDC Wiring Parktronic Parking Sensor Cable Rear A2125405710
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00

-5%
Part no. 8387568
BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8387568
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
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 .