Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-15%
Part no. 9317872
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9252636
BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9251702
BMW 1 2 3 Series F20 F21 F22 F30 F31 F32 Connecting Wire Sat Nav Champ/Mask-CID
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2129009729
Mercedes W176 W207 W212 Keyless Door Lock Module ECU Unit A2129009729
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6960433
BMW E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960433
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3D0951253A
VW Volkswagen Audi Seat Skoda Relay Black 5 Pins 12V 50A Set 433 3D0951253A
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9273628
BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9151979-1
BMW E60 E90 Dashboard Dash Onboard Display Monitor Screen Display 8.8" CCC
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. A9079005303
Mercedes Sprinter W907 W910 Control Unit Module ECU A9079005303
£75.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9149615
BMW E61 E65 E70 Telemetics Control Unit Bluetooth Control Unit Module 9149615
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8379766
BMW E65 E90 E91 E92 E93 Auto Boot Release Switch Tailgate 8379766
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6882971
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air 6882971
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9189906-1
BMW E88 E93 Air Module Control Unit ECU 9189906
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9229880
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9229880
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9116255
BMW E60 E61 Touring Light Module Control Unit ECU LM MAN.LWR 9116255
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3455236
Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box H5 3455236
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9329703
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9329703
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9145349
BMW 3 5 X3 X5 Series E39 E46 E53 E83 Control Unit Control Unit EWS IV 9145349
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1715420123
PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 2622598
BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
£56.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8506438-1
BMW E81 E87 LCI E90 E91 120d 320d N47 177HP ECU KIT DDE 8506438 CAS 3 Key
Promo price
£161.95
£137.66
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. 6928944
BMW X3 Series E83 Battery Positive Cable Fuse Box 61136928944 6928944
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A6511501433
Mercedes W176 W246 Glow Plug Wiring Harness Loom OM651 Engine A6511501433
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 4G0035061Q
Audi Q5 8R Multimedia Radio Control Module Head Unit 4G0035061Q
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9200503
BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9274570
BMW F20 Head Unit Navigation GPS Sat Nav Infotainment DAB High F10 F30 9274570
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9237539
BMW 1 2 Series 1 F20 F21 F22 Central Information Display Screen 6,5" 9237539
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7527610-5
Mini Cooper One R50 R52 W10 Engine Control Unit DME Manual 7527610
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2048707658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
Part no. 5Q0959593F
Volkswagen Golf Mk8 Door Module Front Right O/S ECU Control Unit 5Q0959593F
£13.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9231179
Antenna Amplifier BMW F30 F80 M3 F82 M4 Rear Aerial Booster AM/FM DAB 9231179
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7473684
Door Cable BMW F25 F26 Right O/S Wiring Loom Harness Handle Light Lamp 7252538
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9142218
BMW X3 E83 LCI PDC Parking Ultrasonic Sensor Silver Grey 9142218 9139866
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6976989
Mini Cooper One R52 Body Control Unit Basic Module BC1RD 6976989
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6906606
Mini Cooper One R50 R52 R53 Fuse Box Electrical Unit Cover Cap Black 6906606
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0009059300
Mercedes W205 W212 W246 Parking Distance Sensor Parktronic White A0009059300
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9197316
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2038301613
Mercedes C CLK Class W203 C209 Engine Bay Fuse Box Right O/S Cover A2038301613
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9264916
BMW E82 E88 E92 E93 LCI Control Unit Airbag ECU NO CRASH DATA 9264916
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9232896
Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9232896
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7589971-4
ECU Kit Mini R55 R56 R57 N12 1.6 120HP Control Unit DME 7589971 + CAS3 + Key
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1698705894
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698705894
Promo price
£62.95
£37.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9145102
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC 9145102
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6957348
BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Right O/S
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9805422
BMW Mini Cooper One R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 Earth Ground Cable
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9227500
BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9130313
BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9130313
Promo price
£189.95
£113.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. RHD-7549246
BMW 1 3 Series E87 E90 116i 316i Engine Wiring Loom Harness 7545163 7549246
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 6985363
BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9215184
BMW E60 E87 E90 E91 Hands Free Electronics Charging Module MULF2 9215184
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8583657-1
BMW F20 E90 LCI Mini R56 LCI Glow Plug Wiring Wiring Harness Engine Module
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. A0025424019-1
Mercedes W906 W907 Cut Off Electric Relay Module A0025424019
£13.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-7536691
BMW 5 6 7 X5 Series E53 E60 E61 E65 E70 Petrol N62 Engine Starter Motor 7536691
Promo price
£14.95
£14.20
Free delivery: Feb 09
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
£142.95
£121.51
Free delivery: Feb 10 – 17
If paid before 14:00
-15%
Part no. 9159041
BMW E90 E91 E92 Professional CCC Navigation System Controller 9159041
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9258350
Air Module BMW F20 F21 F22 F30 F31 F32 Control Unit ECU 9258350
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9159311
BMW 5 Series F10 F11 Mini R55 R56 R57 Door Sensor Airbag 9159311
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 9346799
BMW F01 F02 LCI F10 Diversity Aerial Antenna Amplifier DAB 9346799
£23.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9311850
BMW 1 3 Series F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9311850
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 9117559
BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9117559
£379.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6940624
BMW E81 E87 E90 E91 E92 Ultrasonic-sensor PDC Arktis Metallic A34 6940624
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
£28.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9130047
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6854856
BMW F10 F11 F12 EMF Module Parking Brake Unit Electric Control 6854856
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6946400
BMW E60 E61 Air Module ECU Control Unit Centre Sensor 6946400 6963024 6952993
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 6901469-2
3X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
£13.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9115449
BMW X5 X6 E70 E71 Power Junction Box Positive Battery Cable Plus Pole 9115449
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
Part no. 9281517
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
£28.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A9065450003
Fuse Cover Mercedes Sprinter W906 Box Trim Panel Lid Grey A6395450003
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469067100
Mercedes W176 W246 C117 Fuse Relay Box Control Unit Module A2469067100
Promo price
£30.95
£26.31
Free delivery: Feb 09
If paid before 14:00
Part no. 6971370
BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6971370
£23.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9177985
BMW E88 ECU Body Control Module H3 Junction Box 9177985
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1669004102
Mercedes W176 W246 Door Front Left N/S Control Unit Module ECU A1669004102
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6938221
BMW 3 Series E90 E91 Wiring Loom Front Door Left Passenger Side 6938221
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9113064
BMW 5 Series E60 E61 LCI Centre Console Switch Cluster Control Unit ECU 9113064
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 9321016
On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016
£189.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 130002618
BMW X3 X5 E53 E83 Front Seat Adjustment Actuator Drive CRH 1-1968-01
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7160897
BMW X5 E53 E60 E61 E65 E81 E87 E90 E91 Turn Indicator Silver Bulb 7160897
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2129009622
Mercedes W212 Fuse Box Relay Rear SAM Control Unit Module A2129009622
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9144776
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9144776
Promo price
£70.95
£60.31
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9203082
BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2465400340-1
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7599881-2
BMW E87 LCI E90 118i 318i N43 143HP ECU KIT DME 7599881 CAS3 + Key Automatic
Promo price
£189.95
£113.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9270500-SCH
BMW X3 Series E83 LCI Front PDC Ultrasonic Parking Sensor Black 9270500
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7634297
BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297
Promo price
£332.95
£199.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9395176
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9395176
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9138430
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9138430
Promo price
£85.95
£73.06
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-3451585
BMW X3 E83 Instrument Cluster Speedo Clocks Automatic 3451585
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9197354
BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8795213
BMW F20 F21 F30 F31 Wire Cable Screen Connector Monitor Display 8795213 8795212
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6977759
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6977759
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2188200187
Mercedes W221 Multimedia Interface USB Adapter Port Socket A2188200187
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7182396
BMW X5 E70 E90 E91 LCI Control Unit Xenon Adaptive Headlight 7189311
Promo price
£42.95
£36.51
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8K0959663F
Audi A6 C7 Voltage Converter Stabilizer Control Module Unit ECU 8K0959663F
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-9136725-1
Mini Cooper One R55 R56 Multifuse B Battery Power Distributor Cable 9136725
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9177987
BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2125405710
Mercedes W212 PDC Wiring Parktronic Parking Sensor Cable Rear A2125405710
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8E0959651A
Audi A4 B7 Front Crash Impact Air Module Sensor Unit Module 8E0959651A
Promo price
£13.95
£13.25
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 .