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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Make
Category
Subcategory
Condition
In Stock
Price

-40%
Part no. 6960428
BMW 3 5 6 Series E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960428
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 9259466
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 9122100
BMW 1 Series E88 Mini Cooper R57 R59 Sat Nav GPS Antenna Amplifier 9122100
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 6863389
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863389
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8518269
BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Manual
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. 7621178-5
BMW E81 E87 LCI E90 N43 118i 318i Engine Control ECU DME Kit 7621178 Automatic
£313.95
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. 9359011
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9359011
£42.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8582280-2
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8582280 + Key + FEM Automatic
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 6960803
BMW E65 E66 E67 Control Unit Voice Input System Module 6960803
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9362445
BMW F20 F21 F22 Audio Amplifier Harman Kardon Active Sound Design Unit 9362445
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9212176
Door Cable BMW F01 F02 Front Right O/S Wiring Loom Harness 9212176
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 5A4A2A2
BMW G20 G21 G30 G31 Hybrid Inverter Converter Control Unit Module 5A4A2A2
Promo price
£854.95
£512.97
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 9290621
BMW F33 F83 M4 Convertible Top Phone Antenna Aerial Module CTM Unit 9290621
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 3405141
BMW X3 Series E83 E83N LCI Support Bracket Navigation Computer 3405141
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9267468
Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9267468
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 6916097
BMW X5 E53 E65 Bulb Parking Light Headlight Front Lighting 12V 10W
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 9237539-1
BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9237539
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9179595
BMW X3 E83 Board Monitor Central Information Display Screen 6,5" 9179595
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

Part no. 8512498-4
BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
£237.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8506199-2
BMW E60 E61 LCI 520d N47 Diesel Engine ECU Kit DDE CAS3 + Key 8506199
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8585641
Engine Wiring BMW F20 F21 F30 F31 N47N Diesel Loom Harness Cable 8585641
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. RHD-9865043
Head Up Display BMW F30 F31 Hud Projector Dash Screen Control Module 9865043
Promo price
£75.95
£64.56
Free delivery: Mar 02
If paid before 14:00

Part no. 9202724
BMW 3 Series E90 E91 E92 AUX USB Lead Cable Wire 61129202724 9202724
£18.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 6882969
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air Module 6882969
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 5B48520
Head Unit BMW F40 F44 Radio Player Navigation Control Module Alpine 5A291C5
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 7481616
Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7481616
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 3417160
BMW X3 E83 LCI Cable Alternator Starter Base B 3417160
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 7561684-3
BMW E60 E90 330i 530i N52 258HP Engine ECU Kit DME 7561684 CAS2 Key Automatic
Promo price
£284.95
£170.97
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 6972611
BMW 5 Series E60 E61 Wiring Rear Left Right Door Cable Harness N/O/S 6982362
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9146651-2
Dashboard Monitor Screen BMW X5 X6 E70 E71 Sat Nav System 8,8" 9146651
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 6827159
Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 6827159
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8474730
BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 190HP ECU DDE 8474730 Automatic
Promo price
£284.95
£242.21
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 9363680
PDC Module BMW X3 F25 X5 F15 Mini F55 Parking Assistant Control Unit 9363680
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8635813
Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 5A923C4
BMW F40 G20 G21 G30 G31 X3 G01 HiFi Audio Sound Amplifier RAM Module 5A923C4
Promo price
£170.95
£145.31
Free delivery: Mar 3 – 10
If paid before 14:00

-5%
Part no. 3405815
BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 9298961
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9298961
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 7618677
Battery Lead Cable BMW E81 E84 E87 RR1 RR2 RR3 Negative IBS 7618677
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8513250
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513250 Automatic
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 6992830
BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8573257
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 7516376
BMW E65 E66 E67 Electric Valve 735i 745i 735Li 745Li 745LiS 7516376
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9285930
BMW F01 LCI Facelift Footwell Module Unit LED TEMIC FRM III 9285930
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8585379
ECU BMW F30 330d N57N 258HP Diesel Engine Control Unit Automatic 8585379
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9301522
BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9301522
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 7352602
BMW X1 Series F48 Right Head Air Module Roof Curtain O/S 7352602
Promo price
£75.95
£64.56
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-9188725
BMW X5 X6 E70 E71 Cable Loom Wiring Set Seat Driver's Side 9188725
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9290799
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9290799
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8573257-5
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 + Key + FEM
Promo price
£113.95
£68.37
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. rhd-7572413
Wiring Cable BMW E90 E91 E92 N52 Engine Gearbox Module Loom Harness 7572413
£37.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9282285
BMW X3 F25 Central Gateway Module Control Unit ECU 9282285
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

Part no. 9264636
BMW 1 3 4 F20 F30 F32 Driver Side Seat Wiring Loom Electric Harness 9264636
£47.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9393659
BMW F13 Central Gateway Control Lear Module Unit ECU 9393659
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-7843899
Wiring BMW F10 M5 F06 F12 F13 M6 S63N Engine Wiring Harness Loom 7843899
Promo price
£94.95
£80.71
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 9350705
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9350705
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-3416117
BMW X3 E83 2.0d 3.0d Instrument Cluster Speedo Clocks Diesel 3416117
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 9337200
BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 7804127
BMW E60 E61 LCI 520d Cable Alternator Starter Base B 7804127
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 6878195
Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6878195
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8387551
BMW 3 Series E46 Battery Positive Cable Fuse Box Base B 8387551
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-7570552
BMW E87 LCI E90 118i 318i N43 Wiring Loom Harness Automatic Gearbox 7570552
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 5A08530
Fuel Pump Control BMW G30 G12 Mini F60 Tank Function Module Unit ECU 5A08530
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8518424-4
BMW F20 F30 118d 318d N47N 143HP Engine ECU Kit DDE 8518424 Automatic
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 6910542
BMW 3 X3 Series E46 E83 Battery Cable Plus Pole Power Positive 6910542
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 6941485
BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-9282076
BMW X5 F15 Surround View Camera Control Unit Module Bracket Holder 9282076
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 6820729
Bluetooth Module BMW F20 LCI F22 X3 F25 F32 Telematics Control Unit 6820729
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 9339825
BMW G11 G30 G31 Power Supply Module High Voltage Battery Terminal Point 9339825
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8672239-1
BMW F10 M5 F12 F13 M6 S63N 560HP Engine Control Unit ECU DME 8672239 CAS4 + Key
Promo price
£949.95
£569.97
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8635815
BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 9399247
BMW F20 F30 F31 F32 ECU Camera Module Based Drive Support
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9280622
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9280622
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 7602220
BMW E60 E61 E63 LCI Petrol N52N ECU Engine Control Unit 7602220 5WK91142 DME
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 7812500-4
BMW E60 E87 E90 LCI 120d 320d 520d N47 177HP Engine ECU Kit DDE 7812500 CAS3 Key
Promo price
£180.95
£108.57
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 6772102
BMW X5 X6 E70 E71 Holder Bracket Actuator Unit 6772102
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 9321023
BMW F45 X1 F48 Mini F55 F56 B+ Junction Terminal Power Distribution Box 9321023
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 6941593
BMW 5 Series E60 Light Control Module Unit Lear LME6X (LCM) 6941593
Promo price
£70.95
£42.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 6799676
Control Unit BMW F01 F02 F07 Air Suspension Control Module ECU 6799676
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 9200944
BMW 3 X1 E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9200944
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8507918
BMW F20 F21 N47S1 Engine Wiring Harness Injector Module Loom Cable 8507918
Promo price
£89.95
£53.97
Free delivery: Mar 02
If paid before 14:00

Part no. 8598759-7
BMW F20 F30 F32 LCI 118d 318d B47 Engine Control ECU DDE Kit 8598759 Automatic
£189.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 7342174
BMW X1 E84 Z4 E89 LED Xenon Headlight ECU Module 7342174 L90028076
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-7565488
BMW Z4 E85 2.5i Petrol N52 Engine Wiring Loom Harness Module Manual 7565488
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9294206
BMW F25 CD DVD Navigation Sat Nav Head Unit 9294206
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 3419273
BMW X3 SERIES E83 LCI Cable Alternator Starter Base B 3419273
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 9367807
BMW X5 F15 Battery B+ Engine Compartment Positive Terminal Point 9367807
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 9120798
BMW 5 Series E60 E61 LCI Right/Left Rear Door Wiring Loom 9120798 N/O/S
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-7546206
Wiring BMW E60 E61 E63 E64 Petrol N52 Automatic Transmission Harness 7546206
Promo price
£61.95
£37.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8510221-1
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
£218.95
£131.37
Free delivery: Mar 3 – 10
If paid before 14:00

-5%
Part no. 9157156
Body Gateway Module BMW E60 E61 LCI E63 E64 ECU Control Unit 9157156
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 7636757
BMW F20 F21 F30 F31 N13 Protection Cap Engine Wiring Harness 7636756
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8574095
BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8574095 Manual
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9274023
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9274023
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9292652
BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 9292652
Promo price
£161.95
£97.17
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 6934552
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6934552
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8517874-6
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual
Promo price
£189.95
£113.97
Free delivery: Mar 3 – 10
If paid before 14:00

-15%
Part no. 9271933
Radio Player BMW F10 F11 Audio CD Champ 2 Head Unit MID 9271933
Promo price
£75.95
£64.56
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 9251524
BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 9344680
BMW 2 F23 Cabrio Boot Trunk Lid Tailgate Wiring Harness Loom Cable 9344680
Promo price
£56.95
£34.17
Free delivery: Mar 02
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 .