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. F1ET-13N064-AC
Ford Focus Mk3 Steering Column Stalk Slip Mount Bracket Module F1ET-13N064-AC
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. BA6T-18B955-BB
Ford Fiesta Mk7 Dashboard Panel Display Monitor Screen Unit BA6T-18B955-BB
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. AM5T-14D212-ED
Ford B-Max Fiesta Mk7 Bluetooth Module Control Unit AM5T-14D212-ED
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6920472
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 5A08530
Fuel Pump Control BMW G30 G12 Mini F60 Tank Function Module Unit ECU 5A08530
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9371386
BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386
Promo price
€108.95
€65.37
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8373700-2
BMW E60 E63 E87 E90 E91 4X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A2044406135
Mercedes W204 Door Harness Loom Cable Wiring Rear Right O/S A2044406135
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. GK2T-11000-DB
Ford Transit Custom Engine Starter Motor 2.0 EcoBlue GK2T-11000-DB
Promo price
€94.95
€56.97
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9185542
BMW X5 E70 CCC Radio CD Player Navigation 9185542
Promo price
€237.95
€202.26
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9327318
BMW 1 2 3 4 5 F10 F20 F22 F30 F32 Navigation Sat Nav DAB Head Unit High 9327318
Promo price
€237.95
€202.26
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A2215408335
Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215408335
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 7123326
BMW E65 E66 E67 Rear Seat Headrest Adjustment Actuator Drive 7123326
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A0025428819-1
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819 Set x2
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9134631
Seat Module BMW E65 E66 Front Seat Control Unit ECU 9134631
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8V7035225B
Audi A3 8V Antenna Amplifier Rear Right O/S 8V7035225B
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7806042
Mini R55 R56 Connecting Wiring Cable Cooper D W16 Diesel 7806042
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A1669003407
Mercedes W176 W204 Digital Audio DAB Receiver Control Unit Module A1669003407
€28.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 4E0919063
Audi A1 8X A3 8V Door Light Emitting Diode Mount Bracket LED Module 4E0919063
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A1729003406
Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406
Promo price
€80.95
€48.57
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 5Q0971230ES
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230ES
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5A2D553
Audio Receiver BMW F40 G22 G30 G31 X3 G01 DAB ECE Control Unit Module 5A2D553
€73.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A0045468540
Mercedes W221 Distributor Box Block Control Unit Relay A0045468540
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9226357-1
Loudspeaker BMW F20 F30 Top-HiFi Door Speaker Tweeter Set Harman Kardon 9226357
Promo price
€42.95
€36.51
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A2044405935
Mercedes W204 Door Card Harness Loom Cable Wiring Front Left N/S A2044405935
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1698702710
Mercedes-Benz A B Class W169 W245 Tow Protection ECO Switch Button Unit Module
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2479003216
Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216
Promo price
€474.95
€284.97
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6941445
BMW E63 E64 Bluetooth Cable Hands Free Telephone Microphone Unit 6941445
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 5J0919506
Seat Ibiza 6J 1.2 TSI CBZB Radiator Fan Relay Module Control Unit ECU 5J0919506
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8506375-3
BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + Key
€113.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A0009828223-1
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9166542
BMW E92 HDD Navigation Reader System Module Unit ZB CE3 Navi JAPAN 9166542
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9140179
BMW F10 Radio Antenna Amplifier Suppression Filter 9140179
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6948692
BMW E60 E61 E63 Passenger Side Door Airbag Control Module 6948692
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8631668
BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
Promo price
€80.95
€48.57
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. XS7U-11000-C4A
Ford Focus Mondeo Escort 1.8 Petrol Engine Motor Starter XS7U11000C4A
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5K0959793C
Skoda Octavia RS 1Z Door Module Control Unit ECU 5K0959793C
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 6C4971694E
VW Volkswagen Polo 6R Rear Door Cable Harness Wiring Loom Right O/S 6C4971694E
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9178791
BMW F01 F02 F10 F11 Cable Wiring Set ARS Valve Block 9178791
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6864923
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU Control Unit 6864923
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8X0971693
Audi A1 8X Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8X0971693
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. BK2T-19L540-BE
Ford Transit Custom Mk8 Door Wiring Loom Harness Right O/S BK2T-19L540-BE
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2045420623
Mercedes W204 Warning Device Parktronic Display Rear Sound Signal A2045420623
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. DV6T14B533BD
Ford Transit Connect Door Module Front Left N/S Control Unit ECU DV6T14B533BD
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8U0907468BA
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468AQ
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7M0951253C-3
VW Volkswagen Audi Seat Skoda Relay Black Control 5 Pin 12V 7M0951253C Set X2
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6C1T-14A120-AD
Ford Transit Mk7 Starter Motor Wiring Cable 2.2 TDCi 6C1T-14A120-AD
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9267467
BMW F13 Body Control Module Electronic Junction Box JBBFE 3 PL6 V3 9267467
Promo price
€80.95
€48.57
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2124405833
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2124405833
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8648840
BMW F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648840
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 4N0907063ME
Audi Q7 4M Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063ME
€237.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 6974021
BMW X1 E81 E87 E88 E90 E91 Parking Control Module Unit PDC 6974021
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8573257-9
BMW F20 F30 F32 120d 320d 420d Diesel N47N 163HP Engine ECU DDE 8573257 Manual
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9227186-1
BMW E93 ECU Body Control Module Unit PL2RR JBBFE IIIR H3 Junction Box 9227186
€85.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A6401502579
Mercedes W169 200CDI OM640.941 140HP Engine Control Unit Module ECU A6401502579
Promo price
€170.95
€102.57
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2059008204
Mercedes W205 SAM Module Fuse Box Relay Control Unit A2059008204
Promo price
€89.95
€76.46
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A1645453716
Mercedes ML W164 Parking Module PDC Distance Control Unit Sensor A1645453716
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 912034H670
Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91203-4H670
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8P4971693AB
Audi A3 8P Door Wiring Harness Loom Cabling Rear Left Right N/O/S 8P4971693AB
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9337881
BMW 1 3 4 F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9337881
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2038202185
Mercedes W203 Door Control Module Rear Left N/S A2038202185
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8796289
BMW X3 G01 X4 G02 X5 G05 Battery Terminal Negative Cable Wire Wiring 8796289
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A4475404326-1
Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
Promo price
€75.95
€45.57
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5Q0919294F
Seat Leon Mk3 VW Golf 7 PDC Parking Distance Control Module Unit ECU 5Q0919294F
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8Y0035465A
Audi Q2 GA Harman Speaker Amplifier Booster Sound System 8Y0035465A
Promo price
€146.95
€88.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 2755516
Battery Mounting Bracket Mini Cooper R55 R56 R57 R60 R61 Clamp Bolt Holder
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7524109
BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524109
€42.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A1698700689-2
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A0009068706
Mercedes W205 C43 Alternator Generator VALEO 200A 3.0 Petrol A0009068706
€113.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 80A941823A
Audi Q5 FY Positive Battery Terminal Potential Distributor 80A941823A
Promo price
€56.95
€48.41
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9239985
BMW F10 F11 Control Unit ECU Module Airbag Safety Unit 9239985
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8T0971035G
Audi A5 8T Coupe Front Door Wiring Loom Harness Driver's Side Cable 8T0971035G
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6942676
BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6942676
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8W0959595H
Audi A5 F5 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595H
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9231399
Camera Module BMW F01 F07 F10 F11 F12 Based Assist Systems Control Unit 9231399
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6952987
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A1679003811
Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 06E971627M
Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627M
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6940432
Mini Cooper R50 R53 Adapter Lead With Diode EHPAS Cable Wiring 6940432
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6960803
BMW E65 E66 E67 Control Unit Voice Input System Module 6960803
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. A2439000800
Drivetrain Module Mercedes H243 Transmission Control Unit ECU A2439000800
Promo price
€161.95
€97.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. A2098200326
Mercedes C209 Body Control Module Unit Temic 376 800 GZ A2098200326
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6946106
BMW 7 E65 E66 Passenger Seat Airbag Sensor Control Unit Module 6946106 6970899
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6839355
BMW F44 Gran Coupe Antenna Amplifier Suppresion Filter 6839355
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7838929
BMW 3 5 6 Series E60 E63 E90 E92 Crossover Frequency Unit Module Door 7838929
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8581751
BMW F40 MINI F56 F57 F60 Engine Control Unit ECU Box Top Cover Shield 8581751
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 5WA980653C
Audi A3 S3 RS3 8Y Front Camera FAS Lane Assistance Control Unit 5WA980653C
€94.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8K0971765E
Audi A4 B8 AdBlue Tank Wiring Harness Loom Cable 8K0971765E
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. A2129009916
Mercedes S212 Rear Tailgate Boot Trunk Lid Control Module Unit A2129009916
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8789891
BMW F87 M2 LCI Electric Front Bumper Wiring Harness PDC Loom Cable 8789891
€113.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8W5035021
Audi A4 B9 Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8W5035021
Promo price
€659.95
€395.97
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. A2229001414
Module Mercedes C205 Front Door Left N/S Control Module Unit A2229001414
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 7P6035730C
Skoda Superb Seat Ibiza 6J Bluetooth Interface Control Module ECU 7P6035730C
€47.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 4E0910441-1
AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441
€132.95
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 4F0959795N
Door Module Audi A4 B8 A6 C6 Rear Unit Control ECU Left N/S 4F0959795N
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7L0941824B
Volkswagen Touareg 7L Fuse Box Module Electrical Relay Control Unit 7L0941824B
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 8625068-3
Mini One R56 LCI R60 N16 98HP Engine ECU Kit DME 8625068 CAS 3 + Key Automatic
€260.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8580165
Mini F54 F55 F56 F57 F60 B47 Wiring Harness Engine Glow Plug Module 8580165
Promo price
€28.95
€24.61
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 .