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
-40%
Part no. 7520019-5
MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7520019 Manual
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7801203
BMW X5 E70 E87 F10 F11 F15 F25 F30 Diesel Engine Starter Motor 7801203
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A6519003403-1
Mercedes W906 314 CDI OM651 Engine Module ECU Kit A6519003403 Automatic
Promo price
£379.95
£227.97
Free delivery: Feb 10 – 17
If paid before 14:00
-15%
Part no. 9168336
BMW X1 E84 Diversity Aerial Antenna Amplifier DAB 9168336
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8W0915101A
Audi A4 B9 Voltage Converter Module Auxiliary Battery Unit 8W0915101A
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 5A2D542
BMW F40 Body Control Module Domain Controller Unit BDC ECU 5A2D542
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7634056
Engine Wiring BMW F20 F21 F30 F31 N20 Cable Loom Harness 7634056
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8709212
Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212
Promo price
£123.95
£105.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9326437
BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A0325453132
Gearbox Module Mercedes SLK R171 Automatic Transmission Unit EGS A0325453132
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8321087
BMW 5 SERIES E60 ELECTRIC SEAT Height Adjust 0390203234 8321087
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9257426
Fuse Box Grouping BMW F10 F11 Fuse Placement Map Card Diagram 9257426
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A9079009304
Mercedes Sprinter W907 Radar Sensor Distance Active Brake System A9079009304
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7835131
BMW E60 E61 LCI M5 E63 M6 Fuel Injection System Adapter Lead 7835131
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6980130
Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2129008818
Keyless Go Module Mercedes W207 W212 W218 ECU Door Lock Control Unit A2129008818
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9214977
BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7938190
Parking Sensor BMW F20 F21 F22 F23 F30 F34 GT PDC Module Control Unit 7938190
Promo price
£66.95
£56.91
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. BK2112A650AC
Ford Transit MK8 2.2 TDCI 125HP Engine Control Unit ECU Module BK21-12A650-AC
Promo price
£284.95
£242.21
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8K0919475B
Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6929556
BMW E65 E66 Driver's Seat Air Module Sensor Control Unit Module 6929556
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0035422319
Mercedes W176 W246 Relay Battery Decoupling 12V A0035422319
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6970908
BMW E65 E66 Sensor Front Right Door Airbag O/S 6970908
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3455306
Mini R57 Cabrio Convertible DWA Alarm System Relay ECU 3455306 65753455306
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9146651
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-8513423
BMW 3 SERIES E90 E91 LCI 316d 318d N47N Engine Wiring Loom Harness DDE 8513423
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 4F0907468R
AUDI Q7 4L Quattro 3.0 TDI BUS Diagnostic Gateway Interface Module 4F0907468R
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6958526
BMW 5 X5 X6 Series E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Right O/S
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 6935667
BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
£61.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-7608170
Mini Cooper S R55 R56 R57 LCI Battery Cable Lead Positive 7608170
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9230944
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9230944
Promo price
£66.95
£40.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-8507363
Engine Wiring BMW F10 F11 N57 N57S Diesel Automatic Gearbox Harness 8507363
Promo price
£51.95
£31.17
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6956672
BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. BK2T14B476BU
Ford Transit MK8 Fuse Box Relay Body Control Comfort Module BCM BK2T14B476BU
£142.95
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6941503
BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 6941503
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9875929
BMW F20 F21 F22 F23 LCI DAB Navigation Head Control Unit Module Business 9875929
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9330952
BMW F13 F12 Air Control Module Control Unit ACSM4 9330952
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8387540
BMW X3 E83 Positive B Battery Terminal Point Case 8387540
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-A2045409835
Mercedes-Benz W204 Front Left Right Door Wiring Loom Cable Harness A2045402734
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9344677
BMW 2 3 Series F22 F80 M3 F82 M4 Wiring Loom Harness Rear Trunk Lid 9344677
Promo price
£56.95
£34.17
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9177209-2
BMW 1 3 X1 E81 E82 E84 E87 E90 E91 E92 2 Radio Business CD Audio Player 9177209
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7560955-1
BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
Promo price
£189.95
£113.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6913896
BMW Z4 E85 E86 Aerial Antenna Amplifier Module Rod 6913896
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2129006518
Door Module Mercedes W204 W207 W212 Front Right O/S Control Unit A2129006518
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8K0907063DH
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6970086
BMW 5 6 Series E60 E61 E63 LCI Cable Set Start / Stop Switch Wiring Loom 6970087
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2229005914
Mercedes W205 Rear SAM Module Control Unit A2229005914
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8512047
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE CAS 3 Key 8512047 Manual
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 0148459-BRG
Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67 0148459
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9299265
BMW 1 2 3 Series F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9299265
Promo price
£113.95
£68.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8T0959792D
Audi A5 8T Front Door Control Module Unit Left N/S 8T0959792D
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
Promo price
£94.95
£56.97
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. A2025402373-1
Mercedes A C E Class 1 W169 W203 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 3456588-1
Mini R57 LCI Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456588
£132.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7823706
Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2469008516
Parking Brake Module Mercedes W176 W246 Electric Control Unit ECU A2469008516
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 226334803R
Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Engine Wiring Loom Cable 226334803R
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1669051702
Mercedes-Benz A C M W166 W176 W205 Aerial Antenna Amplifier Unit A1669051702
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2215404062
Mercedes W221 Air Suspension Control Unit Module Airmatic A2215404062
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6985748
BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6985748
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8W0959121A
Audi A4 B9 A5 F5 Air Module Pedestrian Protection Sensor Crash 8W0959121A
Promo price
£94.95
£80.71
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. A2218207510
Mercedes W221 Anti Theft Roof Alarm Ultrasonic Motion Sensor Unit A2218207510
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. 9350003-1
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
£18.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2469003417
Parking Brake Module Mercedes W176 W231 W246 Electric Control Unit A2469003417
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8W8959107B
Audi Q5 FY Rear Boot Trunk Lid Tailgate Control Unit Module ECU 8W8959107B
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6975044
BMW Mini Cooper One R50 Cable Wiring Loom Door Front Left N/S 6962777
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2034621130
Mercedes W203 Steering Column Lock Control Unit Module A2034621130
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-8507196
BMW 1 Series E81 E87 LCI 116d Diesel N47 Engine Wiring Loom Harness 8507196
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9227179-1
BMW 1 Series E87 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7636292-1
BMW F20 F30 116i 316i N13 136HP Engine Control ECU Kit DME 7636292 Manual
Promo price
£474.95
£284.97
Free delivery: Feb 10 – 17
If paid before 14:00
-15%
Part no. rhd-A2034404808
Battery Cable Mercedes W203 W209 Starter Alternator Wiring Harness A2034404808
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2118200885
Mercedes W211 S211 Bluetooth Control Unit Module ECU A2118200885
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7807828-2
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7807828 CAS3 + Key
Promo price
£75.95
£45.57
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2118700110
Mercedes W219 Hood Bonnet Light Solar Sensor Module A2118700110
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7619335-2
Mini Cooper R56 LCI R60 N16 Engine Control Unit ECU DME 7619335 CAS3 Key Manual
Promo price
£265.95
£159.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 5Q0907530Q
Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8612576
BMW X1 F30 F31 LCI Starter Motor Engine 8612576
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2038209385
Mercedes CL203 C209 Bi-Xenon Headlight Ballast Control Unit Module A2038209385
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8W1959595D
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595D
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7823973-1
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7519051
BMW 7 Series E65 E66 E67 Electric valve 735i 745i 735Li 745Li 745LiS
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1669002906
Mercedes W204 Headlight Range Control Unit Module ECU A1669002906
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9196591
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9247062
BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9247062
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
Part no. 9170702
BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
£474.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9148264
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264
£28.95
Free delivery: Feb 09
If paid before 14:00
Part no. 0C8927750AL
Audi Q7 4L 3.0 TDI Automatic Gearbox Module Control Unit ECU Diesel 0C8927750AL
£142.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 8X0959655B
Audi A1 8X Air Module Control Unit Sensor 8X0959655B
Promo price
£47.95
£40.76
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8S0915181C
Audi Q5 FY A5 Negative Battery Terminal Cable Wiring 8S0915181C
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8510592
BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Control Unit DDE 8510592 Manual
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7804110
BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2049009614
Mercedes W204 CD Player Radio Navigation Sat Nav Head Unit A2049009614
Promo price
£237.95
£142.77
Free delivery: Feb 10 – 17
If paid before 14:00
-5%
Part no. 5DV-008-290-00
Mercedes W211 Xenon Headlight Level Control Module 5DV 008 290-00
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2219050018
Mercedes-Benz S-Class W221 Headlining Alarm Sensor Module Cover Trim A2219050018
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
Part no. 6871056
BMW F01 F07 F10 F11 Tire Tyre Pressure RDC Control Unit Module 6871056
£94.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2129005212
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129005212
Promo price
£180.95
£153.81
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 .