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

-5%
Part no. 7450992
BMW F20 F21 F30 F31 Fuel Pump Delivery Control Unit Module 7450992
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 4H0907468AC
Audi A8L 4H Gateway Control Module Unit 4H0907468AC
Promo price
€137.95
€82.77
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8K0915181N
Audi A1 8X Negative Battery Terminal Cable Wiring 8K0915181N
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 3454345
Mini Cooper S Cabrio R57 R57N LCI Airbag ECU Control Unit Module 3454345
Promo price
€108.95
€65.37
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8J0951177
Audi TT 8J Interior Roof Alarm Motion Ultrasonic Sensor 8J0951177
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 6925945
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness Loom
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A6291501779
ECU Mercedes X164 Diesel OM629.912 Engine Control Module 306 HP Automatic
Promo price
€104.95
€62.97
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 93970000052
Trafficmaster Control Module Mini R50 R53 GPS Control Unit ECU 93970000052
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8379094
BMW X5 Series E53 Rear Right Door Stereo Audio Loudspeaker O/S 8379094
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A0009004213
Adblue Module Mercedes W447 W906 Control Unit ECU A0009004213
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 8570934
BMW F20 F21 116d ed Diesel N47N 116HP ECU Engine Control Unit DDE 8570934 Manual
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 10723AF
Ford Transit Connect Battery Box Tray Housing Holder Bracket 10723AF
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 06J971082D
Audi Q3 8U Engine Injector Module Wiring Harness Cable 2.0 TFSI 06J971082E
€28.95
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 24445098
Opel Astra Vectra Zafira Immobilizer Antenna Immobilizer Module Unit 24445098
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 8V0971104
Audi A3 S3 8V Sportback Wiring Harness PDC Parking Sensor Rear Bumper 8V0971104
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 4L0959795B
Audi Q7 4L Door Control Module Unit ECU Rear Left N/S 4L0959795B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8P0906131A
Audi A3 8P Engine Unit Bracket ECU Module Holder Bracket Mount 8P0906131A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 3Q0907530BB-1
Audi Q2 GA Central Gateway Control Unit Module Relay ECU 3Q0907530BB
Promo price
€99.95
€59.97
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 8506199-3
BMW E60 E61 LCI 520d Diesel N47 Engine ECU Kit DDE 8506199 CAS 3 + Key
Promo price
€170.95
€145.31
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 8513559
BMW X3 F25 30dX N57N Engine Module Injector Wiring Cable Loom Harness 8513559
Promo price
€284.95
€170.97
Free delivery - Mon, Oct 27
If paid before 14:00

-5%
Part no. 9221462
BMW F01 Front Seat Control Unit Module ECU Left Temic 9221462
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 5Q0907530P
Audi A3 8V Gateway Control Module Unit ECU 5Q0907530P
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8J0907159B
Audi TT 8J Alarm Signal Body Sound Impact Control Module Unit 8J0907159B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A2078210411-1
Centre Console Connector Mercedes W204 W207 USB Port Socket Trim A2078210411
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 7811163
BMW 1 3 5 Series F10 F20 E90 LCI Wiring Harness Engine Glow Plug Module 7811163
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 7111904
BMW X5 E53 Front Driver Seat Memory Electric Wiring Loom Harness 7111904
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 3450343
Ultra-sonic Alarm Mini Cooper R55 R56 System Module 3450343
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 9303546
BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546
€47.95
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 167859
BMW X5 Series E53 Widescreen Motorway and Trunk Road Unit Module 167859
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 9247472-3
BMW E87 ECU Body Control Module Junction Box PL2RR H2 9247472
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 9186170
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 9330951
Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 9330951
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. A2709002100-15
Mercedes C117 CLA 180 270.910 122HP Engine ECU Kit A2709002100 Automatic
€503.95
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 3456498
Harness Door Mini R57 LCI R58 R59 Cable Loom Front Passenger Side Wiring 3456498
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A9069005701
Mercedes W639 W906 Air Module SRS Control Unit ECU A9069005701
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 6821970
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 6821970
€237.95
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A0061516201
Starter Motor Mercedes Sprinter W204 W211 W212 OM646 Diesel Engine A0061516201
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 9174271
BMW F10 LCI Bluetooth Control Unit Module Bracket Holder Mount 9174271
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 6850783
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6850783
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A2601503100
Mercedes W177 M260 Petrol Engine Wiring Cable Loom Harness A2601503100
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A6396890379
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890379
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 5A402F3
Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
Promo price
€313.95
€188.37
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A2049005503
Mercedes C207 Complete Damper Adjustment Control Module ECU A2049005503
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 9119445
BMW Series E81 E87 E90 E91 Power Distribution Fuse Box Front 9119445
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 3454818
BMW Mini Cooper R57 R57N LCI Cabrio Convertible Top Module Roof 3454818
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A2229005914
Mercedes W205 Rear SAM Module Control Unit A2229005914
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A2469060093
Fuse Box Mercedes W176 OM607 Front Relay Control Unit Module A2469060093
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 6868253
BMW F20 F21 F30 F31 ECU ICM Control Unit Module Airbag ECU 6868253
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. A1679008812
Seat Module Mercedes W167 W177 W247 Control Unit ECU A1679008812
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A2139005427
Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139005427
Promo price
€180.95
€108.57
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 9194824
BMW Z4 E89 Convertible Roadster Air Module ECU Control Unit 9194824
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 6941986
BMW X5 E53 X3 E83 Mini R50 Central Lock EWS III Immobilizer Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. A1679009011
Mercedes W205 C213 X253 Rear Door Control Module Unit ECU Left N/S A1679009011
€42.95
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A2046190048
Mercedes-Benz C W204 Rear Battery Support Holder Mount Bracket A2046190048
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A4159007503
Mercedes Citan W415 Body Control Module Unit BCM ECU A4159007503 284B18276R
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 9281829
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9281829
€42.95
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A0005457616
Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A4478260000
Mercedes Vito W447 Headlight Turn Indicator Light Socket Plug A4478260000
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. A6519062400
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
€32.95
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 9227118
BMW F07 GT On Board Central Information Display Screen Monitor 10,25" 9227118
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 9395173
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9395173
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. A1729002601
Mercedes SLK R172 Door Control Unit Module Front Right O/S A1729002601
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 8P3035223B
Audi S3 8P Audio Sound System Amplifier Bose 290328
€32.95
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 9319081
BMW F20 F21 F22 F30 F31 F32 Radio Remote Control Receiver 434 MHZ
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 6793163
BMW X5 E70 Suspension Module Self Leveling Air Supply Control Unit 6793163
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 6934648
BMW X5 E70 E91 LCI Touring Tailgate Trap Circuit Aerial Amplifier 6934648
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 7587548-5
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Manual
Promo price
€579.95
€347.97
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 6910542
BMW 3 X3 Series E46 E83 Battery Cable Plus Pole Power Positive 6910542
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. A2469052602
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8X0959793B
Audi A1 8X Door Module Control Unit Controller Front Driver's Side 8X0959793B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 9345330
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9345330
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8679817
BMW F98 Earth Ground Cable Negative Battery Lead Wiring 8679817
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A1669004302
Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 4F0971235
Audi A6 C6 Negative Battery Terminal Cable Wiring 4F0971235
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 9235506
Bracket Harman Kardon BMW F30 F31 Amplifier Holder Mount Unit Module 9235506
€32.95
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A1645400350-1
Mercedes ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8K0951253
Audi VW Volkswagen Seat Relay 643 Unit Module 4 Pins 8K0951253
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 6945147
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6945147
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 9665162580
Peugeot Partner Citroen Berlingo 1.6 HDI Engine Wiring Cable Bracket 9665162580
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 04E0919064
Audi A8 D3 Door Lightning Module Control Unit Front Rear 04E0919064
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 9282420
BMW 1 3 5 Series F10 F20 F30 Reversing Camera Rear View Control Unit 9282420
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A0025407097-1
Mercedes W221 Air Pump Valve Pressure Electric Change Over Sensor A0025407097
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 7807802-1
BMW X5 E70 LCI X6 E71 N57 N57S Cable Alternator Starter Base B Wiring 7807802
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 8621839
BMW F20 F21 F30 LCI G30 B38 B48 Starter Motor Engine Petrol 8621839
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 9273671
BMW 4 F33 Cabrio Convertible DAB Digital Radio Aerial Antenna Amplifier 9273671
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. A2128270128-IRS
Roof Antenna Mercedes W212 Shark Trim Panel Iridium Silver - 775 A2128270128
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 8366625
BMW 259 259R 259 R22 Connection Plug Relay Pink Tyco 8366625
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. RHD-A1669005212
Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 9315150
BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00

-40%
Part no. A1679001420
Central Locking Module Mercedes C118 W177 Door Lock Control Unit A1679001420
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 9131852-1
BMW E46 E53 Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 9131852
€28.95
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. 6998487
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6998487
Promo price
€155.95
€132.56
Free delivery - Tue, Oct 28
If paid before 14:00

-15%
Part no. A1645403230
Mercedes ML W164 Positive Battery Terminal Cable Lead Wiring A1645403230
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00

Part no. 3456872
Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456872
€256.95
Free delivery - Tue, Oct 28
If paid before 14:00

-5%
Part no. 9367693
BMW M5 F90 G11 G12 Power Distribution Relay Fuse Box Make Contact 9367693
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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 .