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. A2049005601
Mercedes W204 S204 Estate SAM Control Unit Module Rear A2049005601
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9261598
BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Valencia Orange Metallic B44
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 6882963
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6882963
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. 7394466
BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466
Promo price
€94.95
€56.97
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6925964
BMW X3 E83 Drive For Window Lifter Motor Front Right O/S 6925964
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
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 - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9358302
Mini 1 2 3 Series F20 F21 F30 LCI F55 F56 Compensator LTE ECE 9358302
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 5Q0980653G
Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9350313
BMW F90 M5 G11 G30 Fuse Box Power Distribution Unit Front Right O/S 9350313
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 9193110
BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
€132.95
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 6R0971226A
Volkswagen VW Polo 6R Negative Battery Terminal Cable Wiring 6R0971226A
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 9236519
BMW 1 Series E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9236519
€56.95
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9226326
BMW E81 Body Control Module Control Unit L2 PL2RR JBBFE III ECU 9226326
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6930302
BMW E60 E61 E63 E64 Actuator Ventilation Motor Heater Right O/S 6930302
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6793850
Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
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 - Tue, Dec 30
If paid before 14:00
-15%
Part no. 8582279-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 Keys FEM
Promo price
€222.95
€189.51
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6799712
BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A2118209126
Mercedes-Benz C E Class W203 W211 Alarm Anti Theft System Control Module Unit
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 3448466
Mini Cooper R55 R56 Control Unit Module Passive Go 3448466
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 8678974
Engine Cable BMW F40 X1 F48 Mini F55 F56 Injector Wiring Loom Harness 8678974
€56.95
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9240945
Mini Cooper D R55 R56 R57 R60 LCI Electrical System Fuse Distribution Box
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 8R0907468N
Audi A5 8T Gateway Control Module Unit ECU 8R0907468N
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 7804110
BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. A2139003208
Mercedes W213 SAM Module Rear Body Comfort Control Unit ECU A2139003208
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 7636757
BMW F20 F21 F30 F31 N13 Protection Cap Engine Wiring Harness 7636756
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. A6519005301-7
Mercedes W204 C250CDI 204HP OM651.911 Engine ECU Kit A6519005301 Automatic
Promo price
€189.95
€113.97
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 8K0907063AH
Audi A4 B8 Body Control Comfort Unit Module BCM ECU 8K0907063AH
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9197316
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. A9075401205
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401205
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A0015424623-1
Mercedes-Benz C E A207 W204 W212 1 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. A0061512501
Mercedes W203 W204 Diesel Engine Starter Motor A0061512501
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9267535
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9267535
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 8T0919603F
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603F
€51.95
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A0009003713
Mercedes W205 Tyre Pressure Control Module Unit A0009003713
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6844138
BMW 1 3 F20 F30 MINI F55 F56 Radio Remote Control Receiver 434 MHZ 6844138
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A2108207626
Mercedes-Benz C E W202 W210 Front Right Door O/S Control Module A2108207626
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9313614
BMW F30 F31 F80 M3 Driver's Side Door Wiring Loom Cable 9313614
Promo price
€54.95
€46.71
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A1668210351
Mercedes-Benz A CLA C117 W176 Airbag Impact Crash Sensor A1668210351
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9154413-1
BMW E93 LCI Convertible GPS Antenna Aerial Unit Module 9154413
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 8T0959793G
Audi A4 B8 Door Module Front Left N/S Control Unit ECU 8T0959793G
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9132254
BMW Z4 E85 E86 CID Control Unit CD Player Radio Audio System 9132254
Promo price
€199.95
€169.96
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6970904
BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 65776970904 6970904
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9227178
BMW E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9284282
BMW F10 Body Control Module ECU Junction Box PL6 JBBFE III V2 9284282
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A1665400182-1
Mercedes C292 Fuse Box Cover Trim Panel Lid Black A1665400182
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 5WA962132
Volkswagen Golf Mk8 Antenna Amplifier Transmitter Receiver Module ECU 5WA962132
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 8795213
BMW F20 F21 F30 F31 Wire Cable Screen Connector Monitor Display 8795213 8795212
€47.95
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A1695408033
Mercedes-Benz A W169 Front Driver's Side Door Wiring Loom Harness A1695408033
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. A6269060100
Starter Mercedes W205 Diesel OM626 Engine Starter Motor Bosch A6269060100
Promo price
€66.95
€40.17
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9366413
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9366413
Promo price
€113.95
€96.86
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 7638477
Ignition Coil BMW E81 E87N LCI E90 E91 E92 F10 F11 Bosch 7638477
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 8638588
BMW F20 F22 F30 LCI 125i 230i 320i 330i B48 Cable Alternator Starter 8638588
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9346273
BMW F15 Kafas Camera Lane Assist Module Control Unit ECU 9346273
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. A2389007704
Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
Promo price
€113.95
€96.86
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 8510592
BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Control Unit DDE 8510592 Manual
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 7555188-1
BMW F01 F07 GT F10 F11 F12 F13 Control Unit Box Cover Cap 7555189
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 8E0959651A
Audi A4 B7 Front Crash Impact Air Module Sensor Unit Module 8E0959651A
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. A0009058802
Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802
Promo price
€208.95
€125.37
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. A0009005602
Mercedes W204 W212 Control Unit AMG Drive Select Module ECU A0009005602
Promo price
€132.95
€79.77
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. A1669004519
Mercedes C292 SAM Module Rear Control Unit A1669004519
Promo price
€56.95
€48.41
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 5Q0959592F
Door Module Audi A3 8V Volkswagen Golf 7 Control ECU Front Left N/S 5Q0959592F
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. A6269000000
Mercedes W205 C 200 d 626951 626.951 136HP Engine Unit ECU A6269000000 Automatic
Promo price
€170.95
€145.31
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. 8636069
BMW F20 F30 LCI B48 Engine Gearbox Module Wiring Cable Loom Harness 8636069
Promo price
€85.95
€51.57
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 8574024
Engine Wiring BMW F30 F31 335dX N57Z Automatic Gearbox Cable Harness 8574024
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. A1645400436
Mercedes ML164 Alternator Wiring Starter Motor Harness OM642 A1645400436
€28.95
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6500CW
Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CW
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 8512415-5
Mini Cooper D R56 LCI N47N 112HP Engine ECU Kit DDE 8512415 CAS3 Key Automatic
Product currently unavailable
-15%
Part no. 9244161
BMW F01 F02 F03 F04 Head Unit Radio Media Player Navigation 9244161
Promo price
€199.95
€169.96
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 8K0959795C
Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. 8517862-5
BMW F10 F20 F30 520d 120d 320d N47N 184HP Engine Unit ECU DDE 8517862 Automatic
Promo price
€56.95
€34.17
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6879833
Air Module BMW F20 F21 F22 F30 F31 ECU ICM Control Unit ECU 6879833
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 2992478-3
Plug Socket BMW X1 E84 Rear Light In The Side Panel Right O/S Wiring 6984754
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. 9153803
BMW X5 Series E70 Light Lightning Control Unit Module FRM II Lear 9153803
Promo price
€170.95
€102.57
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9159332
BMW F01 F10 F11 Heater Fan Blower Unit Motor Wiring Cable Harness 9159332
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 7619250
Alternator Bracket BMW F10 F20 F22 F30 F32 LCI G30 B47 Supporting Mount 7619250
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 9296495
BMW F20 F21 F22 F30 F31 F33 F34 Air Module Control Unit ECU 9296495
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. 9364638
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9364638
Promo price
€123.95
€74.37
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A6511590246
Wiring Cable Cover Mercedes W204 W212 W906 OM651 Engine Duct Bracket A6511590246
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. 9387226
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9387226
Promo price
€161.95
€97.17
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9269896
BMW X3 F25 Business CD Radio Player Head Unit Control 9269896
Promo price
€165.95
€141.06
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6927000
BMW E63 E64 Amplifier Holder Catch Bracket Video Module 6927000
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 8K0971228H
Audi A4 B8 3.0 TDI Starter Alternator Wiring Loom Cable Harness 8K0971228H
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 6922854
BMW X3 X5 Series E53 E83 Cruise Control Air Flow Switch Steering Wheel 6922854
€23.95
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 9259800
BMW F10 F12 F13 F20 F30 F06 Mini F55 F56 F57 DVD CD Changer Control Unit 9259800
€66.95
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. A2115452301
Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. 8617703
Engine Wiring Mini F56 Cooper S B46 B48 Valvetronic Cable Loom Harness 8617703
Promo price
€94.95
€56.97
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 7951069
KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 6923215
BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 7L0907719A
Volkswagen Touareg Anti Theft Alarm System Control Module Unit ECU 7L0907719A
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 7191718
BMW Z4 Series E89 Roadster Cabrio Horn High Tone 7191718
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. A2229002014
Mercedes X253 Door Module Rear Right Control Unit A2229002014
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
If paid before 14:00
Part no. 9259354
BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
€108.95
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9250459
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9322122-1
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 30
If paid before 14:00
-40%
Part no. 7641652-1
Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652
Promo price
€47.95
€28.77
Free delivery - Tue, Dec 30
If paid before 14:00
-5%
Part no. 1472984-2
Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 30
If paid before 14:00
-15%
Part no. 9153966
BMW E93 ECU Body Control Module H1 PL2 JBBFE 61359153966 9153966
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 30
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 .