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
-15%
Part no. 9353421
BMW F11 LCI Body Control Module Unit V7 PL6 JBBFE III 9353421
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9151516
BMW E60 E63 E64 LCI Body Control Unit Module 9151516
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9143823-1
BMW E88 E93 LCI ECU Air Control Unit Module Controller 9143823
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-40%
Part no. 6970676
BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 6970676
Promo price
€56.95
€34.17
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 1508927
Mini Cooper S R52 R53 Positive Battery Cable Lead Wire Cable B 1508927
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 7556846
Battery Cable BMW E82 E90 E91 E92 N54 Alternator Starter Base B Cable 7556846
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8510249
Engine Wiring BMW E90 E91 LCI N47N Loom Harness Cable Automatic Gearbox 8510249
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 4E0035541S
Audi Q7 4L Radio Multimedia Receiver Control Module Unit 4E0035541S
€32.95
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A0009002308
Mercedes W447 W906 Adblue Module Exhaust Gas Control Unit ECU A0009002308
Promo price
€89.95
€76.46
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. A0055422018
ESP Sensor Mercedes W164 W221 Yaw Rotation Rate Sensor A0055422018
€23.95
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A0051511301-2
Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. X3 E83 Rear Wiring Loom PDC-1
BMW X3 Series 1 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
€32.95
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 9148267
BMW 3 Series E93 Seat Control Unit Module FSV 7.11.0 9148267
€94.95
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 6956020
BMW MINI Cooper Cabrio Convertible R52 Rear Bumper PDC Cables Wiring Loom Set
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A1698207026
Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Front A1698207026
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9261591
BMW F20 F21 F30 PDC Ultrasonic Parking Sensor PDC Front Imperial Blau Blue
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6985363
BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 5Q0959592E
Audi A3 8V Front Door Module Control Unit Module Right O/S ECU 5Q0959592E
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 5Q0907530AJ
Audi RS3 8V Gateway Control Module GCM Unit ECU 5Q0907530AJ
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A0141541102
Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102
Promo price
€94.95
€80.71
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 9257093
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9257093
Promo price
€170.95
€145.31
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9350003
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 9362848
BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9177773
BMW F01 F07 F10 F11 Battery Power B+ Distribution Box Rear 9177773
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 3450847
BMW X3 E83 LCI Cable Loom Door Passenger Side Wiring Harness 3450838
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2049001506
Mercedes W204 Coupe Door Module Front Right O/S Control Unit A2049001506
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. A1648209385
Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385
€28.95
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 8P0907279P
Audi A3 8P Gateway Interface Onboard Supply Control Module Unit ECU 8P0907279P
€237.95
Free delivery - Tue, Dec 23
If paid before 14:00
-40%
Part no. 9282118
BMW F10 CAS4 Control Unit Module 9282118 61359282118
Promo price
€66.95
€40.17
Free delivery - Tue, Dec 23
If paid before 14:00
-40%
Part no. 9370431
BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431
Promo price
€47.95
€28.77
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2124400314
Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9276096
BMW 5 6 7 Series F01 F10 F13 Antenna Aeral Amplifier Diversity 868 MHZ 9276096
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2469050101
Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9338800
iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 1709317
BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 9122100
BMW 1 Series E88 Mini Cooper R57 R59 Sat Nav GPS Antenna Amplifier 9122100
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 9189906
BMW E88 E93 LCI Air Module Control Unit ECU 9189906
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8K0959655N
Audi A4 B8 A5 8T Air Module Control Unit ECU 8K0959655N
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9169521
BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 9299592
BMW F10 F11 Central Gateway Module ECU Control Unit Lear ZGW-02 4SK 9299592
Promo price
€42.95
€36.51
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8P0959655S
Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655S
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A1668210151
Impact Sensor Mercedes W166 W176 W246 Crash Sensor A1668210151
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6915061
Mini Cooper One R55 R56 R57 Power Folding Wing Mirror Module ECU Control 6915061
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A0025421319
Mercedes W204 Genuine Universal In Car Black Relay 4-Pin Tyco A0025421319
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 8X0907063AB
Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 23
If paid before 14:00
-40%
Part no. A2229004320
Telematics Module Mercedes C238 Communication Blutooth Control A2229004320
Promo price
€51.95
€31.17
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 8605258
Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197
€132.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6864204
ICM Module BMW F20 F21 F30 F31 Control Unit 6864204
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A1669004402
Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-40%
Part no. 7631026
Mini R55 R56 R57 LCI R60 N47N Automatic Gearbox Basic Control Unit EGS 7631026
Promo price
€56.95
€34.17
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9120788
BMW 5 Series E60 E61 Wiring Loom Harness Passenger Side 9120785
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 8507885
BMW 1 3 Series F20 F30 Diesel N47N Wiring Harness Engine Gearbox Module 8507885
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9229294
BMW F20 F21 F22 F30 F31 F80 M3 USB Socket Plug Port Control Unit 9229294
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 9325656
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9325656
Promo price
€75.95
€64.56
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 7168153
BMW MINI Cooper One Clubman R55 R55N LCI Wiper Motor Window Left Rear N/S 716815
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 7P0907652
Yaw Sensor Audi Q7 4L Rotation Rate Unit Module 7P0907652
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6948689
BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6948689
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 6929916
BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-40%
Part no. 8794297
BMW F20 F21 F22 F30 F31 F32 Mini F55 F56 F57 Head Unit Basic Media DAB 8794297
Promo price
€137.95
€82.77
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A0009055504-TNG1
Mercedes W166 C207 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6980177-3
BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 7342174
BMW X1 E84 Z4 E89 LED Xenon Headlight ECU Module 7342174 L90028076
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A2129003614
Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129003614
Promo price
€118.95
€101.11
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9261612
Ultrasonic Parking Sensor BMW F20 F21 F23 F87 PDC Black 9261612
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A2465402050
Mercedes W176 Fuse Box Control Unit SAM Module Relay A2465402050
Promo price
€51.95
€44.16
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 4F0915519
Volkswagen Polo Touareg Audi A4 A6 A7 A8 Battery Overload Protection 4F0915519
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 8708259
BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 8708259
€545.95
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6906548
Mini Cooper R56 Electrical System Fuse Distribution Box 6906548
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 9491419
BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 7527610-5
Mini Cooper One R50 R52 W10 Engine Control Unit DME Manual 7527610
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 2753722
Mini Cooper R55 R56 Drivers Side Right O/S Electric Window Lifter Motor Door
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 6819334
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 6819334
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A2079058802
Roof Antenna Mercedes W204 W212 Shark Aerial Antenna Cable Harness A2079058802
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9387624
BMW F20 F21 F30 Sensor Rain Light Solar Condensation 9387624
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
Part no. 9311296
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
€28.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2229055804
Mercedes CLA C117 W176 W205 Aerial Antenna Amplifier Unit A2229055804
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6943771
BMW 1 Series E87 CAS2 ECU Control Unit Key Reading Module 6943771
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6855995
Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 9371386
BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386
€108.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9362848-1
Telematics Module BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Unit 9342881
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 9227238
BMW E93 LCI Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9227238
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A2118701885
Mercedes ML W164 Control Unit Module DC UHI MOST A2118701885
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 9357988
Head Unit BMW F30 F31 F32 Radio Professional CD Player Control Module 9357988
€94.95
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A0009004613
EGR Module Mercedes W177 W205 Exhaust Gas Recirculation Unit ECU A0009004613
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A0045423518
Mercedes ML W164 W204 W211 CLS C219 Acceleration Sensor Module Unit A0045423518
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. A6519062300
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A6519062300
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2125420018-TNG
Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey - 755 A2125420018
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2129004114
Door Module Mercedes W204 W212 Rear Left N/S Control Unit A2129004114
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2038219751-2
Mercedes W203 CL203 Roof Alarm Motion Sensor Cover Trim Black A2038219751
Promo price
€24.95
€23.70
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2129001711
Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129001711
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2128204185
Mercedes W204 W212 Door Module Control Unit Module Rear Right O/S A2128204185
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
-15%
Part no. 7533103
Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7533103
Promo price
€66.95
€56.91
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9240083
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9240083
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 9344087
Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558
€284.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9224177
BMW F10 F11 F12 F13 F15 F16 Airbag Sensor Module B-pillar Crash Sensor 9224177
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 23
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 .