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. 8377939
BMW X5 E39 E53 Sunroof Sliding Roof Drive Unit Motor Actuator 8377939
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9392514
BMW F48 F49 Front Bumper PDC Wiring Loom Cable Harness 9392514
€56.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7604347
BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 7545877
Battery Cable BMW E60 E61 E63 E64 N62N Alternator Starter Base B+ Lead 7545877
Promo price
€37.95
€32.26
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9338298
BMW F20 F21 F30 F33 KAFAS 2 Camera Lane Assist Module Control Unit ECU 9338298
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9227181
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359227181 9227181
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9118101
BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9322690
BMW F32 F82 M4 Hifi Audio Sound System Speaker AMP Amplifier Module 9322690
€156.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 7857786
BMW F09 F10 F12 F13 Differential Locking Module Control Unit ECU 7857786
€42.95
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9483099
Mini Cooper One F55 F56 F57 Parking Assistant Control Unit Module 9483099
Promo price
€61.95
€52.66
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8671504-1
Starter BMW G20 G21 G30 G32GT G01 G05 Starter Motor Valeo 8671504
Promo price
€56.95
€48.41
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9250458
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250458
Promo price
€56.95
€34.17
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6906914
BMW X5 E53 Battery Cable Negative Wire 6919976
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 6953424-2
BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€37.95
€32.26
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8678968
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968
Promo price
€189.95
€113.97
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 6952987
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6974631
BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9267205-1
BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9267205
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8506373-1
BMW X3 E83 LCI 1.8d N47 Engine Control Unit ECU Kit Module DDE 8506373 EWS Key
Promo price
€284.95
€170.97
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9177773
BMW F01 F07 F10 F11 Battery Power B+ Distribution Box Rear 9177773
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9290621
BMW F33 F83 M4 Convertible Top Phone Antenna Aerial Module CTM Unit 9290621
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9128982
BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9128982
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6980177
BMW X1 X3 X5 X6 Z4 Z8 Relay Changeover Function Green 6980177
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8635811-1
BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables 8635811
Promo price
€89.95
€76.46
Free delivery: Feb 4 – 9
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 4 – 9
If paid before 14:00
-15%
Part no. 7621178-1
BMW E81 E87 LCI E90 N43 118i 318i ECU Kit DME CAS3 Key 7621178 Manual
Promo price
€189.95
€161.46
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7525696
BMW X5 E53 Ground Battery Cable Alternator Starter 7525696
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8510591
BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU DDE 8510591 Manual
Promo price
€113.95
€68.37
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9353421
BMW F11 LCI Body Control Module Unit V7 PL6 JBBFE III 9353421
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8663284
BMW F20 F30 F31 LCI B38 ECU Basic DME Control Unit Automatic Gearbox 8663284
€313.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8373901
BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9229007
BMW F10 Antenna Amplifier Diversity 868 MHZ 9229007
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6929557
Air Module BMW E65 E66 Driver's Seat Sensor Control Unit 6929557
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9194824
BMW Z4 E89 Convertible Roadster Air Module ECU Control Unit 9194824
Promo price
€94.95
€80.71
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 7823420
BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420
Promo price
€113.95
€68.37
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 7488140
BMW F10 F20 F21 F30 F31 LCI SCR Control Module ECU Unit 7488140
Promo price
€42.95
€36.51
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8704090
BMW F20 F21 F30 Mini F55 F56 HSD Cable HU CID Wiring Cable 8704090
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8589158
Battery Cable BMW G01 G02 B47B B47D Alternator Base B+ Lead 8589158
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6929556
BMW E65 E66 Driver's Seat Air Module Sensor Control Unit Module 6929556
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 6866986
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6866986
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8656997
BMW X5 F15 X6 F16 Ground Cable Negative Battery Lead Wire 8656997
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 3454167-1
BMW X3 E83 Shark Roof Fin Antenna Aerial Module Unit 3454167 3436613
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8509105
BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9247081
BMW X1 E84 Wiring Loom Harness Passenger Side 9247081
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9394665
BMW F10 Footwell Light Module Control Unit ECU 9394665
Promo price
€113.95
€68.37
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00
-15%
Part no. 5B4E028
Remote Control Receiver BMW F70 X5 G05 G60 U06 Mini F65 Radio Module 5B4E028
Promo price
€37.95
€32.26
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8678974
Engine Cable BMW F40 X1 F48 Mini F55 F56 Injector Wiring Loom Harness 8678974
Promo price
€56.95
€34.17
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7601799
Earth Ground Cable BMW X3 F25 Battery Cable Engine Wiring 7601799
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 6841692
BMW F20 Head Unit Navigation GPS Sat Nav Infotainment DAB High F10 F30 6841692
€569.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9354758
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK Mid 9354758
€37.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8507908
BMW F20 Gearbox Transmission Harness Wiring Loom Manual 8507908
Promo price
€56.95
€48.41
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9252636
BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
Promo price
€170.95
€145.31
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. E87-E90-PLUG-SOCKET-LOOM-PDC
BMW E81 E82 E87 E88 E90 E91 E92 Plug Socket Loom PDC Parking Sensor
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 6867932
BMW F20 F21 F23 Mini Cooper F55 F56 Control Unit Trailer Tow Hitch 6867932
€66.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8631634
BMW X5 F15 Earth Ground Cable Negative Battery Lead Wiring 8631634
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8368210
BMW E46 Antenna Amplifier TV Aerial Control Module Unit 8368210
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7796127
BMW X5 X6 Series E70 E71 Diesel Battery Cable Starter-Base B+ 7796127
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9289590
BMW X5 X6 E70 E71 Antenna Amplifier Module Trap Circuit 9289590
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9240490
Battery Distribution Box BMW F01 F02 F10 F11 Power B+ Rear 9240490
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9286945
Comfort Control Unit BMW F06 F10 F11 F12 F13 Junction Box 9286945
Promo price
€51.95
€31.17
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9119355
BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module 9119355
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7857551
Battery Cable BMW F80 M3 F82 M4 Wire Lead Positive Alternator Starter B+ 7857551
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8510221-13
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 Automatic
Promo price
€189.95
€113.97
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9313638
BMW F30 F31 F80 M3 Front Passenger Wiring Loom Harness Cables 9313638
€42.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9200943
BMW 1 3 Series E81 E87 E90 E91 E92 Ultra Sonic Alarm System Module 9200943
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00
-40%
Part no. 7631932
Engine Wiring BMW F30 F31 N20 Loom Module Harness Cable 7631932
Promo price
€75.95
€45.57
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8516753-1
BMW F01 730d F07 530d N57 245HP Engine Unit ECU Kit DDE 8516753 Automatic
€180.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6959987
BMW 7 Series E65 E66 Windscreen Wiper Switch Column Stalk 61316959987 6959987
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9223682
BMW X5 X6 Series E70 E71 Dashboard Onboard Monitor Display Screen 8,8" 9223682
Promo price
€132.95
€113.01
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9261614
BMW 1 2 Series F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier Silver
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9257009
BMW F01 F10 CIC Professional Unit Sat Nav Infotainment DAB Radio Player 9257009
Promo price
€284.95
€242.21
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8635808-1
Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808
Promo price
€75.95
€64.56
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 7801158
BMW 3 5 X5 Series E60 N E70 E90 F30 Exhaust Lambda Probe Oxygen Sensor 7801158
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7794911
BMW E87 E90 E91 Cable Alternator Starter Base B 7794911
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8605144
BMW F20 F21 LCI F23 F30 F32 F33 Engine Wiring Loom Harness Cable 8605144
Promo price
€56.95
€34.17
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6958526-1
BMW 5 X5 X6 Series 1 E60 E61 E70 E71 F10 F11 Seat Adjustment Switch Right O/S
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9134667
BMW X5 E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9134667
Promo price
€47.95
€40.76
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 7579155-1
Starter Motor BMW X5 E70 LCI X6 E71 Z4 E89 N20 N55 Petrol Engine 7579155
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8585641
Engine Wiring BMW F20 F21 F30 F31 N47N Diesel Loom Harness Cable 8585641
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6837092
BMW G30 G12 Fuse Relay Box Rear Trunk Power Distribution B + Box Basis 6837092
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8573260-7
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 Key FEM Lock Manual
Promo price
€441.95
€265.17
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7849627
BMW F80 M3 F82 M4 Engine Valvetronic Wiring Cable Loom Harness 7849627
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6926962
BMW E60 E61 Front Seat Adjustment Switch Right O/S 6926962 6930048
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9113348
BMW E81 E87 LCI E90 E91 DC/DC Wandler Torque Converter Module 9113348
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9149835
BMW X5 E70 Front Seat Control Unit Module Driver's Side 9149835
€56.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6923209
BMW X5 E46 E53 Alarm System Inclination Indicator Module Unit 6923209
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 1378238
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9231178
BMW F22 F30 F80 M3 F32 Radio Antenna Amplifier AM FM 9231178
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9210861
BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9346799
BMW F01 F02 LCI F10 Diversity Aerial Antenna Amplifier DAB 9346799
Promo price
€47.95
€40.76
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9387151-1
BMW F30 Hybrid 330e B48X Positive Battery Lead Cable Starter Unit Wiring 9387151
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 2383676
Battery Cable BMW F22 Negative Earth Cable Minus Electrical Wire 7625999
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 1543906
BMW G30 G31 X3 G01 X4 G02 G11 G32 Control Unit SAS Module ECU 1543906
€284.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9225022
BMW 2 3 4 Series F22 F30 F31 F32 Battery Power B+ Distribution Box 9225022
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8380407-1
BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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 .