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.
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In Stock
Price
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Part no. A2129009328
Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129009328
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2048704626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0009821012
Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-7802184
BMW 1 3 Series E81 E90 Diesel N47 Automatic Gearbox Wiring Harness Loom 7802184
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9229240
Radio Business BMW E81 E87 E90 LCI CD Player 9229240
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8570848
Mini Cooper One D F54 F55 F56 F57 Engine Starter Motor Diesel Bosch 8570848
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-7575444
BMW 3 SERIES E90 E91 E92 Petrol N53 Wiring Loom Harness Engine Manual Gearbox
Promo price
£70.95
£60.31
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6793850
Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9170732
BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9170732
Promo price
£284.95
£242.21
Free delivery: Feb 09
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
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9175649
BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649
Promo price
£70.95
£42.57
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-A2075400340
Battery Fuse Box Mercedes W204 Control Unit Module SAM A2075400340
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2046801231
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046801231
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2049004106
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049004106
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2048204697-1
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
Promo price
£161.95
£137.66
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. 8K0907247
Audi A6 4G Keyless Entry Amplifier Control Box Module Aerial Antenna 8K0907247
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8636064
Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064
Promo price
£66.95
£56.91
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 1709317
BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9136726
BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136726
Promo price
£13.95
£13.25
Free delivery: Feb 09
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
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9808713
Mini Cooper S Cabrio R57 R57N LCI Air Module ECU Control Unit Module 9808713
Promo price
£94.95
£80.71
Free delivery: Feb 10 – 17
If paid before 14:00
-40%
Part no. 3457403
BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
Part no. 7526780
BMW Mini R50 One 1.6i Petrol Engine Control Unit DME Manual 7520019 7526780
Product currently unavailable
-5%
Part no. 8577241
BMW F30 F32 LCI 330d 335dX 430d 435dX Alternator Starter Cable B+ 8577241
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 3456911
Mini Cooper R57 PL3 SPEG H4 Fuse Distribution Box 3456911
Promo price
£151.95
£129.16
Free delivery: Feb 10 – 17
If paid before 14:00
Part no. 4E0919887M
Sat Nav Audi S8 D3 A6 C6 DVD Drive Navigation Control Unit 4E0919887M
£23.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-8507890
Gearbox Wiring BMW E90 E91 LCI 318d 320d N47N Engine Loom Harness Cables 8507890
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2128203485
Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2128203485
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
Part no. 9281688
BMW F30 F31 F32 F33 Central Information Display Screen 8,8" Professional 9281688
£189.95
Free delivery: Feb 09
If paid before 14:00
Part no. 6814596
BMW 1 2 3 4 Series F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596
£42.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2049057501
Mercedes W204 W212 Dashboard Light Sun Solar Sensor Unit A2049057501
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9289115
Radio Professional BMW E81 E87 E90 E91 LCI Autoradio CD Bluetooth 9289115
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
Part no. 038907281D-1
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9294309
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9294309
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 4H0951253C
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 646 4H0951253C
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 4H0907658B
Audi A3 8V A5 A6 A7 Air Quality Sensor Unit 4H0907658B
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8519663
BMW Mini Cooper R55 R56 LCI N47N 1.6 Diesel Engine ECU Kit DDE CAS 3 Key 8519663
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9195756
BMW E60 E61 LCI M-ASK M-Audio Navigation System Controller Player 9195756
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1648209385
Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6957026
BMW E65 E66 Control unit power ECU module 6957026
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1698206189
Mercedes-Benz A B Class W169 W245 CD Player Radio Audio Head Unit A1698206189
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
Part no. 1T0971235A
Volkswagen Golf MK5 6 Audi A3 8P Negative Battery Terminal Cable 1T0971235A
£13.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2429007001
Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9222861
BMW 1 3 Series E87 E90 LCI CIC Sat NAV Screen Navigation Professional 9222861
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9151148
BMW X5 E70 X6 E71 Mini Cooper R55 R56 R57 6 Disc CD Changer 9151148
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2128203542
Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7810980-2
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE Kit 7810980 Automatic
Promo price
£474.95
£403.71
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6938064
BMW E65 E66 E67 Amplifier Rear Window Antenna Amplifier Module 868MHZ
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2219004704
Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704
Promo price
£712.95
£427.77
Free delivery: Feb 10 – 17
If paid before 14:00
-15%
Part no. 6947795
BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6947795
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9136725
BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136725
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9381114
BMW F20 F21 F30 F31 F32 Mini F56 F57 Seat Control Unit Module Heating 9381114
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9343317
Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3412336
BMW X3 E83 Battery Cable Negative Wiring 3412336
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7823422
ECU Engine Control BMW E81 E87 E90 LCI 118d 318d N47 Diesel DDE 7823422 Manual
Promo price
£32.95
£19.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8638552
Supply Module BMW F90 M5 F91 M8 G05 G11 G30 Integrated Control Unit 8638552
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9138969
BMW E60 LCI E61 LCI Electronic Driver Circuit Centre Console 9138969
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9126978
BMW 6 Series E63 E64 LCI Rear Bumper PDC Loom Cables Wiring Set 9126978
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7520912
BMW E60 E61 E63 E64 LCI Cover Electronic Box 7520912
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8379094
BMW X5 Series E53 Rear Right Door Stereo Audio Loudspeaker O/S 8379094
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6945145
BMW E60 E61 E63 Air Control Module Passenger Side Door 6945145
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9395173
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9395173
Promo price
£189.95
£113.97
Free delivery: Feb 09
If paid before 14:00
Part no. 7589971-13
Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 CAS3 Key Automatic
£151.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9273671
BMW 4 F33 Cabrio Convertible DAB Digital Radio Aerial Antenna Amplifier 9273671
Promo price
£66.95
£56.91
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0018209126
Mercedes CLC CLK Class CL203 W203 C209 Crash Sensor A0018209126
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9229873
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9229873
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7537365
Cable Wire BMW E60 E61 E81 E87 E90 Tubing For Clamp 7537365
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 8K0919475R
Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
£56.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9227181
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359227181 9227181
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6942990
BMW 5 6 Series E60 E61 E63 E64 Actuator Air Distribution Flap Matrix Heater
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9226325
BMW 1 E82 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8507893
BMW 1 2 3 Series F20 F21 F22 F30 F31 N47N Wiring Loom Harness Engine 8507893
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7521582
BMW E46 E83 E85 Engine Electronics Unit Box Cover Trim 7521582
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7492026-1
Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
Promo price
£85.95
£51.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9247467-1
BMW E92 LCI Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-A2046890939
Mercedes W204 Dashboard Cover Speedo Speedometer Trim Panel Black A2046890939
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1678201302
Mercedes W167 W256 USB Charger Connecting Unit A1678201302
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6955925
BMW X5 E53 X3 E83 Control Unit Sliding Lifting Roof Panorama 6955925
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6818814
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6818814
Promo price
£132.95
£113.01
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 4H0959651A
Audi A1 A6 A7 Impact Crash Control Sensor Module ECU 4H0959651A
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8512499-2
BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8W5035035B
Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
Promo price
£332.95
£283.01
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7501738
BMW X5 E53 3.0i M54 1,4KW Starter Motor 7501738
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6957762
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9247467
BMW E82 ECU Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6968036
BMW 1 Series E87 ECU Body Control Module Unit H2 PL2 JBBFE 6968036
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6929916
BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A0009006713
PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2139002210
Mercedes-Benz W176 W205 W207 W213 Bluetooth Control Unit Module ECU A2139002210
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9127088
BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7649087
BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 167859
BMW X5 Series E53 Widescreen Motorway and Trunk Road Unit Module 167859
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8P0919475M
Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
Promo price
£42.95
£25.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9306085
BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
Promo price
£42.95
£36.51
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0025450801
Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7641003-2
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Automatic
Promo price
£522.95
£313.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2075400740
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9805670-1
Mini R60 Countryman Window Lifter Motor Drive Front Right O/S Door 9804384
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-A6394403150
Mercedes W639 Battery Starter Alternator Wiring Harness Cable A6394403150
Promo price
£23.95
£14.37
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 .