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

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Part no. 9240946
MINI R55 R56 R57 LCI R60 R61 Cover Power Distribution Fuse Box 9240946
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6906914
BMW X5 E53 Battery Cable Negative Wire 6919976
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

Part no. 7127282
BMW X5 Series E70 Rear Trunk Battery Cover Tray Storage Box 7127282 51477127282
£23.95
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9192124
BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

Part no. 7532878
BMW X5 E53 E60 E61 E63 E65 E70 Valvetronic VVT Control Unit Module 7532878
£56.95
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 6954007
BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232
Promo price
£94.95
£80.71
Free delivery: Feb 4 – 11
If paid before 14:00

-15%
Part no. 9240943
Mini Cooper R55 R56 LCI R60 Electrical System Fuse Distribution Box 9240943
Promo price
£23.95
£20.36
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. rhd-7808234
BMW 3 E90 E91 325d 330d N57 Engine Injector Module Wiring Harness Cable 7808234
Promo price
£23.95
£14.37
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9207913-1
BMW F20 F21 F22 F30 F31 F32 F33 F36 Fan Motor Relay 9207913
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. A0025428919
Relay Mercedes W176 W246 5-Pin Yellow Hella 12V A0025428919
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9130764
BMW E65 E66 CD Audio System Controller Player 9130764
Promo price
£137.95
£117.26
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9229878-2
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9229878
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 9387453
Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
Promo price
£237.95
£142.77
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9148267
BMW 3 Series E93 Seat Control Unit Module FSV 7.11.0 9148267
Promo price
£47.95
£40.76
Free delivery: Feb 03
If paid before 14:00

Part no. 8507880
BMW 1 3 Series F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module
£13.95
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 7610011-3
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key 7610011 Manual
Promo price
£332.95
£199.77
Free delivery: Feb 4 – 11
If paid before 14:00

-40%
Part no. 7808257
BMW E90 E91 LCI F10 Wiring Harness Engine Glow Module N57 7808257
Promo price
£42.95
£25.77
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9213372
Mini Cooper One R55 R56 R58 Electrical System Fuse Distribution Box 9213372
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. A0045420418
Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A0045420418
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 9227184
BMW 1 Series E87 LCI ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9227184
Promo price
£23.95
£14.37
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6953191
BMW 5 Series E61 Touring Diversity Aerial Antenna Suppression Filter 6953191
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 6953044
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044
Promo price
£28.95
£17.37
Free delivery: Feb 03
If paid before 14:00

Part no. rhd-8622031
BMW 1 2 3 Series F20 F21 F30 LCI Cover Electronic Box Panel 8622031
£18.95
Free delivery: Feb 03
If paid before 14:00

Part no. 9253111-3
Battery Cable BMW F20 F21 F22 Red Positive Plus Pole Blow Off 9253111
£28.95
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6858698
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6858698
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 3451528
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
Promo price
£104.95
£89.21
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. A6459060800
Starter Motor Mercedes W176 W246 C117 Diesel Engine Denso A6459060800
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9374510
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9374510
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6906598
Mini Cooper One R50 R52 R53 JCW Fuse Relay Electrical Box Housing 6906598
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 7259883
Stop Lamp Cover BMW F30 F80 M3 Rear Third Stop Brake Lamp Trim 7259883
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 7792130
BMW Mini Cooper One R50 R52 R53 R55 R56 R57 Earth Ground Cable 7792130
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

Part no. 7938196
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 7938196
£13.95
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6864208
BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9243919
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
Promo price
£75.95
£64.56
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6923305
BMW E60 Rear Lamp Light Bulb Left N/S Carrier For White Turn Indicator Cover
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 7316535
BMW F20 F22 F30 Sliding Sunroof Drive Motor Unit Webasto 7193398
Promo price
£37.95
£22.77
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9229878
BMW E91 LCI ECU Body Control Module Junction Box H2 9229878
Promo price
£37.95
£32.26
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9214812
BMW E88 E93 LCI Air Module Control Unit ECU 9214812
Promo price
£23.95
£20.36
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9145439
BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6989713
BMW 1 3 Z4 Series E88 E89 E93 Convertible Cabrio DWA-Alarm System Module 6989713
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9160187
BMW 1 Series E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9160187
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9284974
BMW F10 F11 On-board Central Information Display Screen Monitor 10,25" 9284974
Promo price
£94.95
£80.71
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9264923
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264923
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. A0045423518
Mercedes ML W164 W204 W211 CLS C219 Acceleration Sensor Module Unit A0045423518
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. rhd-7570550-1
BMW 1 3 Series E87 E90 118i 318i N43 Wiring Loom Harness Engine 7570534 7570550
Promo price
£47.95
£40.76
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. A0325456926
Mercedes W176 W205 Exhaust Control Valve Flap Actuator Module Unit A0325456926
Promo price
£94.95
£56.97
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9255048
BMW 1 Series E81 E87 E87N Battery Wire Cable Negative Earth Lead 9255048 6929705
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 8482940
BMW F30 LCI G11 G30 Battery Cell Supervision Circuit Module Unit 8667593
Promo price
£28.95
£24.61
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 6988086
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
Promo price
£85.95
£73.06
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9280186
BMW 5 7 Series F10 F11 F01 F02 F03 LCI Airbag Control Module ECU Unit 9280186
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 7520933
Mini Cooper One W10 R52 Wiring Harness Loom Engine 7520933 7531839 7514274
Promo price
£23.95
£20.36
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 6859714-1
BMW X5 E70 X6 E71 Air Suspension Supply Compressor Valve Control Unit 6859714
Promo price
£28.95
£24.61
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
Promo price
£32.95
£28.01
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. rhd-A2034408932
Mercedes W203 Battery Starter Wiring Harness Cable A2034408932
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

Part no. 9240527-1
BMW E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
£113.95
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 6826326
BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326
Promo price
£56.95
£34.17
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 4H0907658
Audi A3 8V A5 8T A6 A7 Air Quality Sensor Control Unit 4H09076588
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

Part no. 9154943
BMW 5 Series E60 LCI Light Control Unit Module LCM LM E6X LWR LEAR 9154943
£28.95
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9129433
BMW 5 6 Series E60 E61 E63 E64 LCI CD Changer Cartridge Magazine 9129433
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 1439674
BMW X5 E53 Base B Positive Battery Terminal Cable Cover Compartment
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. A2129003408
Mercedes W204 W221 Fuel Pump Module Control Unit A2129003408
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. A1698204185
Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
Promo price
£37.95
£32.26
Free delivery: Feb 03
If paid before 14:00

Part no. 4G0907397Q
Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q
£28.95
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9237655-2
BMW E60 E61 E81 E87 E90 F10 Audio Aux In Socket Plug 9237655
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 3451927
BMW Mini Cooper One R56 High SPEG DC/DC H3 Fuse Distribution Box 3451927
Promo price
£28.95
£17.37
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 6968826
Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6968826
Promo price
£94.95
£56.97
Free delivery: Feb 03
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
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 6946384
BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module
Promo price
£32.95
£19.77
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6906070
BMW X5 E53 Roof Antenna Amplifier Trap Circuit 6906070
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9393953
Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
Promo price
£47.95
£40.76
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. A9069014700
Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
Promo price
£113.95
£96.86
Free delivery: Feb 4 – 11
If paid before 14:00

-40%
Part no. 9348935
BMW X1 F45 F48 Mini F55 F56 F60 Air Module Control Unit Module ECU 9348935
Promo price
£113.95
£68.37
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 6974916
BMW 1 3 Series E87 E90 CCC CD Professional Navigation System Controller 6974916
Promo price
£379.95
£322.96
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. A2129000006
Fuse Box Mercedes W212 Front Relay Control Unit Electric Module SAM A2129000006
Promo price
£47.95
£40.76
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 7539787
BMW Mini Cooper R55 R56 R57 R58 Negative Battery Cable 7539787
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 9813878
Mini Cooper One R60 Footwell Light Module High EKS ECU SZT PL3 FRM3R 9813878
Promo price
£151.95
£91.17
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6901269
BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9114135
BMW X5 X6 Series E70 E71 Power Distribution Fuse Box 9114135
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 3452105
Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3452105
Promo price
£56.95
£34.17
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 3456995
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456995
Promo price
£132.95
£113.01
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. rhd-8513667
BMW X5 E70 LCI X6 E71 Diesel N57 Wiring Harness Engine Gearbox Module 8513667
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9327318
BMW 1 2 3 4 5 F10 F20 F22 F30 F32 Navigation Sat Nav DAB Head Unit High 9327318
Promo price
£180.95
£153.81
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. A2049012704
Mercedes W204 ECU Control Unit Crash Impact Sensor Air Module A2049012704
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9126106
BMW Mini R55 R56 R57 Cabrio Adapter Lead Outside Temperature Sensor 9126106
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9167198
BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
Promo price
£70.95
£60.31
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 6863385
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385
Promo price
£23.95
£20.36
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9176958
BMW E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9176958
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 8T1035223A
Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
Promo price
£75.95
£64.56
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. A1695450001
Mercedes-Benz A B Class W169 W245 Fuse Box Relay Module Unit A1695450001
Promo price
£16.95
£14.41
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9286941
BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9233009
BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. rhd-6954129
BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. A2038200389
Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 4G0035061N
Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
Promo price
£208.95
£177.61
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. A0009820912
Mercedes W176 W222 W246 Voltage Converter Power Distributor Fuse A0009820912
Promo price
£18.95
£16.11
Free delivery: Feb 03
If paid before 14:00

-40%
Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
Promo price
£56.95
£34.17
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 6774078-1
BMW Mini Cooper One R50 R53 R55 R56 R57 Input Cylinder Clutch Control 6758825
Promo price
£13.95
£13.25
Free delivery: Feb 03
If paid before 14:00

-15%
Part no. 9185542
BMW X5 E70 CCC Radio CD Player Navigation 9185542
Promo price
£189.95
£161.46
Free delivery: Feb 03
If paid before 14:00

-5%
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
Promo price
£13.95
£13.25
Free delivery: Feb 03
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 .