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. A1765405905
Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8K0907064KE
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064KE
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6957760
BMW E60 E61 E63 Passenger Side Door Control Module 6957760
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1645407901
Mercedes V251 Gateway Module Control Unit ECU A1645407901
Promo price
£66.95
£40.17
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9149025
BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Atlntikblau 9149025
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8512499-1
BMW E81 E87 E90 E91 LCI N47 143HP Diesel ECU Kit DDE 8512499 Manual
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9171984
BMW E60 E61 E63 E64 LCI Control Unit Lane Departure Warning Module ECU 9171984
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 4G0035061Q-1
Head Unit Audi A5 8T Q5 8R Multimedia Radio Control Unit Module 4G0035061Q
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0038202926
Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6943284
BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943284
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9312602
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 Lear 9312602
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
Part no. 9285508
BMW X5 X6 F15 F16 Power Battery Distribution Junction Box Control Unit 9285508
£28.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8574351
BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual
Promo price
£80.95
£48.57
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. RHD-3448327
BMW X3 E83 LCI Instrument Cluster Speedo Clocks Diesel Manual 3448327
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6855951
VDC Module BMW F10 F11 F13 F06 Rear Suspension Level Control Unit Module 6855951
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-8D2941824
Audi A6 C6 Fuse Box Control Module Relay Box 8D2941824
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9387561
Head Unit BMW I3 I8 Mini F56 Navigation Sat Nav DAB High Control Module 9387561
Promo price
£189.95
£113.97
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. 9160558
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6951855
BMW 6 E64 E64N LCI Convertible Suppression Filter Aerial Module Antenna 6951855
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9298962
BMW F20 F21 F22 F30 F31 F32 F33 F80 M3 Body Control Unit Module REM V5 9298962
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6821139
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Unit Basic 6821139
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9196669
CD Changer 6 Disc BMW E81 E87 E90 E91 E92 Without Magazine 9196669
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
Part no. 7578242
Signal Control Module Mini R50 R52 Automatic Gearbox Transmission EGS 7578242
£37.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6953773
BMW E60 E61 CCC CD Professional Navigation System Controller Radio Unit 6953773
Promo price
£332.95
£283.01
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9399466
Mini F54 F55 F56 F57 F60 Telematics Control Unit Module 84109399466 9399466
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9171948
BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2465401205
Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7565300-13
BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic
Promo price
£189.95
£113.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. H1BB13D278AC
Ford Fiesta MK7 Front Headlamp DRL Light Lamp Control Unit Module H1BB-13D278-AC
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9184560
BMW E65 E66 Seat Control Module Unit ECU 9134633 9184560
Promo price
£85.95
£51.57
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-A1715402534
Mercedes SLK R171 Battery Cable Starter Alternator Wiring Harness A1715402534
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6915327-1
BMW E46 E60 E81 E87 E90 E91 F10 F20 F30 2x Relay Make Contact Sky Blue 6915327
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8W5035035A-1
Audi A4 B9 A5 F5 Q5 FY MMI Multimedia Navigation Control Head Unit 8W5035035A
Promo price
£332.95
£283.01
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9118111
BMW 1 Series E81 E82 Door Wiring Loom Harness 9118111
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 7P0959651
Porsche Cayenne 92A Front Pressure Crash Impact Sensor 7P0959651
£23.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8378753
BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 Reception Antenna RDC 433MHZ 8378753
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7560377
Cable Alternator BMW E81 E82 E87 E88 E90 E91 LCI Starter B+ 7560377
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9224275
BMW F01 F02 F07 GT Control Unit Air Module ECU 9224275
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9127895
BMW E88 Convertible Antenna Aerial DAB Rear Trunk Tailgate 9127895
Promo price
£32.95
£19.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7579136
BMW Mini Cooper S R56 Automatic Gearbox ECU Control Unit EGS Module 7579136
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2139000414
Camera Module Mercedes W213 S213 Parking Rear View Control Unit A2139000414
Promo price
£85.95
£51.57
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A9079000304
Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7259877
Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1775404307
Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
Part no. 7556846
Battery Cable BMW E82 E90 E91 E92 N54 Alternator Starter Base B Cable 7556846
£28.95
Free delivery: Feb 09
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
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 5Q0937084CP
Audi S3 8V Module BCM Body Control Unit Module ECU 5Q0937084CP
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
Promo price
£51.95
£31.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7627021
BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0025421419
Mercedes W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6860936
BMW i3 I01 F45 F46 Control Unit SAS Module ECU 6860936
Promo price
£189.95
£113.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1779009902
Mercedes W177 Front Windscreen Windshield Camera Multi Purpose Unit A1779009902
Promo price
£56.95
£48.41
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-8516169
Mini Cooper One R55 R56 LCI Diesel N47N Positive Battery Cable Lead 8573469
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469009312-1
Mercedes W176 Radio Stereo Head Unit Media Player Navigation A2469009312
Promo price
£85.95
£73.06
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8W0035465-1
Stereo Radio Amp Audi A4 B9 A5 8W Sound System Speaker Amplifier 8W0035465
Promo price
£132.95
£113.01
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3403208
BMW X3 Series E83 Ultrasonic Alarm System Module Control Unit 3403208
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9169691
BMW F10 F11 Mid-Range Sound Speaker Stereo 9169691
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7899655
Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 06H911021
Audi A4 B8 2.0 TFSI Petrol Engine Starter Motor 06H911021
£18.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6989588
BMW 3 X1 Series E91 LCI E84 Switch Cluster Cruise Control Stalk Unit 6989588
Promo price
£132.95
£79.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6978265
BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6771182
BMW E90 E91 E92 E93 Longitudinal Dynamic Module Cruise Control 6771182
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6886185
ICM Module BMW F20 F21 F30 F31 Crash Control Unit Airbag ECU 6886185 0265020864
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9345378
BMW X3 F25 Light Module Control Footwell Lightning ECU Unit FRM3 9345378
Promo price
£151.95
£91.17
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A9067601204
Mercedes Sprinter W906 Front Left Door N/S Handle Bowden Pull Cable A9067601204
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 9167201
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201
£18.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469017000
Mercedes W176 Windscreen Rain Sensor Unit Module A2469017000
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6974631
BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9451484
Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7599881-1
BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8P0919475G
Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6925945
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness Loom
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8513161
BMW F10 F11 525d N57 204HP Engine Control Unit ECU DDE 8513161 Automatic
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A9079821100
Mercedes W910 Engine Hood Microswitch Cable Wiring Loom Harness A9079821100
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8573260
BMW F20 F21 114d 116d Diesel N47N Engine Control Unit DDE 8573260 Manual
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
Part no. 8S0915181B
Audi A7 4G8 A6 C7 Negative HV Battery Cable Wire Harness Terminal 8S0915181B
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1698203185
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698203185
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9240527-2
BMW E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
Promo price
£108.95
£92.61
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2229009211
Mercedes W207 A207 W212 Digital Satellite Radio Control Unit A2229009211
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 3412574
BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6928050
BMW 7 Series E65 E66 E67 Battery Cable Wire Earth Ground Minus Negative L=260MM
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6958449
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 61356958449 6958449
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1776204201
Mercedes C118 W177 W247 Battery Box Trim Housing Cover Support A1776204201
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9113348
BMW E81 E87 LCI E90 E91 DC/DC Wandler Torque Converter Module 9113348
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2518701889
Antenna Amplifier Mercedes W164 W251 Aerial Control Unit Module A2518701889
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1779008206
Mercedes W177 Ambience Illumination Light Control Module Unit A1779008206
Promo price
£32.95
£19.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8638585
BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8T0919603F
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603F
Promo price
£42.95
£25.77
Free delivery: Feb 09
If paid before 14:00
Part no. 8583653
BMW F10 F30 F31 LCI N57N Wiring Harness Engine Glow Module 8583653
£18.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6799712
BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 130002613
BMW 5 X5 7 Series E60 E60N E61 E65 E66 E67 E70 Drive Longitudinal Seat Adjust
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8515494
BMW 5 Series F10 F11 530d N57N Cable Alternator Starter Base B+ 8515494
Promo price
£25.95
£22.06
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 2622892
BMW 1 2 Series F20 F21 F22 F23 Control Unit Module Active Sound Design 2622892
Promo price
£66.95
£40.17
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1698207926
Mercedes W169 W245 Control Unit Front Left Door N/S Module A1698207926
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7595179-9
BMW E81 E87 LCI N43 116i 2.0 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
Promo price
£189.95
£161.46
Free delivery: Feb 09
If paid before 14:00
Part no. 9803844
Mini Cooper Countryman R60 R61 Aerial Roof Antenna Base Module 9803844
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2059005222
Seat Module Mercedes W205 W253 Memory Control Unit Passenger's Side A2059005222
Promo price
£37.95
£32.26
Free delivery: Feb 09
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 .