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. A6395400182
Mercedes Vito W639 Cover Fuse Box Case Trim Panel Lid A6395400182
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 9128602
Cables Wiring BMW E81 E87 LCI Front Bumper PDC Loom Set 9128602
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 8X0907357C
Audi TT 8J Headlight Head Light Lamp Range Control Unit Module ECU 8X0907357C
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 9193748
BMW E60 E63 On-board Navigation Display Monitor Screen 6,5" 9193748
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 7168154
Mini Clubman R55 LCI Wiper Motor Actuator Window Right Rear O/S 7168154
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

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Part no. 9167202
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167202
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 6929345
BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin GPS Radio Tel 6929345
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 9288304
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 8780776
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav GPS Unit High 8780776
Promo price
£351.95
£211.17
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 6862808
BMW F10 F11 F12 X3 F25 Electric Parking Brake Control Unit EMF Module 6862808
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 038907281B
Audi A6 C6 2.0 TDI Glow Plug Relay Unit Control Module 038907281B
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00

Part no. 7808630
Mini Cooper One D W16 R55 R56 Engine Wiring Loom Harness 7808630 7795052
£56.95
Free delivery: Feb 09
If paid before 14:00

Part no. 8X0959795D
Audi A1 8X Rear Door Module Left N/S Control Unit ECU 8X0959795D
£13.95
Free delivery: Feb 09
If paid before 14:00

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Part no. 8T0919603C
Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00

Part no. 9252637
BMW X1 E84 Parking Control Module Unit PDC ECU 9252637
£56.95
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 6879833
Air Module BMW F20 F21 F22 F30 F31 ECU ICM Control Unit ECU 6879833
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 8K0907064DP
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 9114215
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

Part no. 7616200-1
Negative Battery Cable BMW E90 E91 E92 E93 Minus Pole IBS 7616200
£13.95
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 8600358
BMW F20 F30 LCI MINI F55 F56 Integrated Relay Supply Module 8600358
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 6956939-1
Changer Unit BMW E63 E64 6-disc Compact CD Head Player 6956939
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 9266384
BMW 5 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384
Promo price
£35.95
£21.57
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 7316147
BMW F30 F31 F34 Headlight Module Xenon Headlamp Control Unit Lear TMS 7316147
Promo price
£61.95
£52.66
Free delivery: Feb 09
If paid before 14:00

Part no. 3457583-1
Mini Cooper R56 R57 High SPEG PL3 H4 Fuse Distribution Box 3455442
£118.95
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A1669000618
Mercedes-Benz A B Class W176 W246 Front Right Door O/S Control Unit Module ECU
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

Part no. 6915576
BMW Mini Cooper R50 R53 Cable Door Right Wiring Harness Loom 6915575 6944249
£13.95
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A0025427219
Mercedes W169 W245 W204 W212 Relay 4-Pin Black Hella A0025427219
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. rhd-7572410
Engine Wiring BMW E87 E90 E91 N52 Manual Gearbox Loom Harness Cable 7572410
Promo price
£94.95
£80.71
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 9119427
BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. rhd-A2045421518
Mercedes W204 Negative Cable Battery Terminal Wiring A2045421518
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 7561834-12
BMW E87 E90 N46 118i 318i 129HP ECU Engine Module KIT DME 7561834 CAS2 Key
Promo price
£275.95
£234.56
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A0035420819
Mercedes W176 W205 W213 W242 W447 W907 Relay 4-Pin Black Tyco Unit A0035420819
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 0148459-CHRED
Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Chili Red - 851
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 1K3959857B
Volkswagen Polo 6R Golf Mk6 3-Door Window Lifter Switch Driver's Side 1K3959857A
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. A0009821212
Energy Distributor Mercedes W205 W212 W213 W906 Control Unit Module A0009821212
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 9224592-1
BMW E87 LCI Footwell Light Module Control Unit PL2 FRM3R 9224592
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 8E0035111D
Audi TT 8J Radio Head Unit Navi CD DVD Player Changer 8E0035111D
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 6824383
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 6824383
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 1513396
Mini Cooper One S R50 R53 Door Cable Harness Wiring Loom Left N/S 1513396
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

Part no. 8X0915181
Audi A4 B8 A5 8T TT Mk2 Negative Battery Terminal Cable Lead 8X0915181
£13.95
Free delivery: Feb 09
If paid before 14:00

Part no. 6982395
BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6982395
£94.95
Free delivery: Feb 09
If paid before 14:00

Part no. A2055400182
Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182
£13.95
Free delivery: Feb 09
If paid before 14:00

Part no. 06F903023C
Audi Volkswagen Seat Skoda Engine Alternator Generator 06F903023C
£28.95
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A2095452432
Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 7544610-2
BMW E60 E61 545i E63 645Ci N62 333HP Engine Control Unit ECU DME 7544610
Promo price
£237.95
£202.26
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 7553166
BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
Promo price
£161.95
£97.17
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 9289614
BMW F10 F11 F20 F21 F30 F31 F32 Navigation DAB Head Unit High 9289614 9290361
Promo price
£332.95
£199.77
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 9119493
BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 7599881-4
BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual
Promo price
£142.95
£121.51
Free delivery: Feb 10 – 17
If paid before 14:00

-15%
Part no. 9296494-1
BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 9271216
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9271216
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 9185474
Mini Cooper R60 R61 Antenna Aerial Diversity Trap Circuit 9185474
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 7810002-1
BMW 1 Series E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 7810002 Manual
Promo price
£284.95
£170.97
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. A2049007202
Mercedes W204 Navigation Radio CD Player Head Unit A2049007202
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 6971703
BMW E90 Radio Professional CD Player 65126971703 6971703
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 7520936
Mini R50 Petrol W10 Engine Wiring Loom Harness Automatic Gearbox 7520936
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 9151979-2
BMW E60 E90 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC 9151979
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A9065460121
Mercedes W906 Battery Cable Negative Lead Wiring Harness A9065460121
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A1698207026
Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Front A1698207026
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 2758951
Mini Cooper R58 R59 Dash Roof Operating Unit Light Switch 2758951
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A2125420018-TNG
Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey - 755 A2125420018
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 9291450
BMW F10 Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9291450
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 6925642
BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 6824386
Fuse Box Unit BMW F20 F22 F30 F32 Module ECU Control FEM 6824386
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 3457416
Mini Cooper R58 Fuse Distribution Box Control Unit High PL3 SPEG H8 3457416
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 8625072
Wiring Loom Mini Cooper F55 F56 Harness Injection Valve Ignition 8625072
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 9134482
BMW 1 Series E87 ECU Body Control Module Unit L2 PL2 JBBFE 9134482
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

Part no. 9384687
BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
£28.95
Free delivery: Feb 09
If paid before 14:00

Part no. A6395450003
Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
£32.95
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 8617709
BMW Mini Cooper F55 F56 Wiring Harness Motor Sensorsystem Module 8617709
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 7631558
Engine Starter BMW F20 M135i F30 335i F32 435i F80 M3 F82 M4 Motor Start 7631558
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 6952327
On Board Monitor BMW E60 E63 Navigation Display Screen 6,5" 6952327
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00

Part no. A1729016600
Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A1729016600
£37.95
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 4G8959795G
Audi A6 C7 Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795G
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 9374507
BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 8512499-5
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 9360501
Mini F54 F55 F56 F57 F60 Rear Electric Power Distribution Fuse Box 9360501
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A2045420818
Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045420818
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 8R0919604A-1
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. A2709060026
Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A2709060026
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. 9162959
Seat Control Unit BMW X5 E70 E87 E90 E91 E92 Module Memory ECU 9162959
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 6950525
BMW 3 6 Series E63 E64 E93 DWA Alarm System Module Unit 65756950525 6950525
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 1K0959433BT
VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. A1698201085
Mercedes W245 ECU Control Unit Sensor Air Module A1698201085
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. rhd-A6394402536
Mercedes W639 Battery Starter Alternator Wiring Harness Cable A6394402536
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. 9253637
BMW 3 5 Series F10 F11 F30 F31 Airbag Control Unit Module 9253637 65779253637
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A1669004402
Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

Part no. 6887754
Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6887754
£47.95
Free delivery: Feb 09
If paid before 14:00

Part no. 9171347
BMW 5 X5 Series E61 E61 LCI E70 Telematics Bluetooth Control Unit Module 9171347
£37.95
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A2059007123
Mercedes W176 W212 W246 Telematics Communication Control Unit Module A2059007123
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-15%
Part no. rhd-7808269
BMW 3 Series E90 E91 LCI Diesel N57 Wiring Loom Harness Engine Gearbox Module
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 9133144-1
BMW 5 Series E60 Body Gateway Module KGM LOW LEAR 9133144
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-40%
Part no. A1569005303
Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A2048210851
Mercedes W212 Windscreen Rain Sensor Temperature Humidity Unit A2048210851
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. RHD-8J0959655
Audi TT 8J Air Module Control Unit ECU Crash Control Computer 8J0959655
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A0055461240
Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A2128205026
Mercedes W212 Impact Crash Sensor Door Left Right A2128205026
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. 8K0907637C
Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637C
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00

-5%
Part no. A2518206510
Mercedes W212 Light Sensor Sunlight Sensor Front A2518206510
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 .