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. 8507906
BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9231443
BMW 3 Series F30 F80 M3 Radio Antenna Amplifier Suppression Filter 9231443
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1729006503
Mercedes SLK R172 Roadster Folding Roof Module Vario Control Unit A1729006503
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 5A41CA2
Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2
Promo price
€237.95
€202.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 2622341
BMW 2 3 5 Series F10 F22 F30 F32 Antenna Amplifier Module Trap Circuit 2622341
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9171984
BMW E60 E61 E63 E64 LCI Control Unit Lane Departure Warning Module ECU 9171984
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9348935
BMW X1 F45 F48 Mini F55 F56 F60 Air Module Control Unit Module ECU 9348935
Promo price
€151.95
€91.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8661071
BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8661071
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2239053002
Mercedes Vito W447 Aerial Antenna Amplifier Control Unit Module A2239053002
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2188201926
Mercedes CLS C218 Bi-Xenon Headlight Ballast Module Control Unit A2188201926
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8586540
BMW F30 F32 LCI 330d 430d N57N 258HP Engine Control Unit Module ECU DDE 8586540
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 0AM911023T
Volkswagen Touran 1T 1.4 TSI Petrol Engine Starter Motor 0AM911023T
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8T0907468H
Audi A4 B8 Gateway Interface Control Module Unit ECU 8T0907468H
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5Q0919275B-BLK
Audi Q2 GA Front Parking Sensor Assist Control Module Black 5Q0919275B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6940432
Mini Cooper R50 R53 Adapter Lead With Diode EHPAS Cable Wiring 6940432
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2115454840
Mercedes E-Class S211 W211 Battery Tray Holder Mounting Bracket A2115454840
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2535405429
Mercedes C253 OM656 Diesel Engine Motor Wiring Loom Cable Harness A2535405429
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9459673-1
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 9250421
Promo price
€94.95
€56.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8510221-2
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6956750
BMW E87 Control Unit PDC Parking Sensor Module Nautikblau Blue - A21 6956750
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 02M911024R
Seat Ibiza 6J Starter Motor Petrol Engine Electrical Unit Actuator 02M911024R
€28.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2129009128
Door Module Mercedes W207 W212 CLS W218 Front Left N/S Control Unit A2129009128
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9123739
BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4B0959643E
Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 4B0959643E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6989082-TS
BMW X3 E60 E83 Front PDC Parking Distance Sensor Titansilber Silver 6989082
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7491439
Tailgate Smart BMW F10 F30 F34 Mini F54 F60 Opener Control Unit Module 7491439
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
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 07
If paid before 14:00
Part no. 7115655-LMB
BMW X3 E60 E61 E83 Front PDC Parking Distance Sensor Le Mans Blau - 381
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7592511
BMW E88 E90 E91 E92 LCI F20 F21 F30 Ignition Wiring N55 Engine Harness 7592511
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8571350
BMW 1 5 Series F10 F11 F20 F21 LCI B47 Starter Acoustic Vibration Plug 8571350
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8200311550
Renault Master 2 G9U 754 2.5 dCi Diesel Engine Unit ECU 8200311550 Manual
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2661536679-2
Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 80A907777N
Audi Q5 FY Active Suspension Module Damping Chassis Control Unit EFP 80A907777N
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9873895
BMW F40 Crash Control Unit Air Module ECU Continental 9873895
Promo price
€123.95
€74.37
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7L0959655
Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8595865
Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0907064DC
Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064DC
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 95910-1H050
Kia Ceed Hyundai Air Module Safety Control Unit Ver. 3.3 ECU 95910-1H050
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9264923
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264923
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9399247
BMW F20 F30 F31 F32 ECU Camera Module Based Drive Support
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0009054807-2
Mercedes W118 W177 W206 W247 NOX Sensor Electronics Module A0009054807
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7404880
Fuel Pump Module BMW F20 F21 F30 F31 Control Unit ECU 7404880
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A0009827723
Fuse Relay Mercedes W176 W204 W246 4-Pin Unit Black Hella A0009827723
€23.95
Free delivery - Tue, Oct 07
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 07
If paid before 14:00
-5%
Part no. A2048210197
Door Cable Guide Mercedes W204 Front Wiring Loom Harness Channel A2048210197
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9265300
BMW 1 2 Series F20 F21 F22 F23 LCi Headlight Switch Control Element Light
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6921979
Door Module BMW E65 E66 E67 Front Door Control Unit Passenger Side 6921979
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2115452301
Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1695400209
Mercedes W169 W245 Diesel Engine Starter Wiring Loom Cable A1695400209
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A1679008207
Telematics Module Mercedes W177 W247 Communication Control Unit ECU A1679008207
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9298945
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9298945
Promo price
€113.95
€96.86
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A1669003407
Mercedes W176 W204 Digital Audio DAB Receiver Control Unit Module A1669003407
€28.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9225619
BMW F10 Electronic Front Seat Memory Module Control Unit ECU 9225619
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5Q0907530AH
Audi A3 S3 RS3 8V Gateway Control Module GW MQB Mid Unit ECU 5Q0907530AH
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2129004718
Door Module Mercedes W212 Front Right Control Unit Module A2129004718
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4G0907468AB
Audi A6 C7 Gateway Module Control Unit ECU 4G0907468AB
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A4475406453
Battery Cable Mercedes Vito W447 Diesel OM651 Alternator Wiring A4475406453
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9803844-4
Aerial Roof Antenna Mini Cooper Countryman R58 R60 R61 Base Module 9803844
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 7810980-2
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
€522.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A6519007500-4
Mercedes W204 C250 CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
Promo price
€108.95
€65.37
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A9075406849
Mercedes Sprinter W907 Ground Line Battery Earth Cable Wire A9075406849
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A2469068601
Battery Junction Block Mercedes W176 W246 Battery Plus Pole Terminal A2469068601
Product currently unavailable
-15%
Part no. A2059007218-2
Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A0038207926
Door Module Mercedes W221 Door Control Unit Module A0038207926
Promo price
€70.95
€60.31
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6911024
BMW Z4 E85 E86 Battery Mounting Bracket Part Holder 6911024
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8579479-4
BMW F20 F21 F30 F31 118d 318d N47N Engine Control Unit ECU DDE 8579479 Manual
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9299268-1
BMW F20 F21 F30 F31 F32 Radio Stereo Professional CD DAB Head Unit 9299268
€56.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8R0971104AC
Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104AC
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9205895
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9205895
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9231399
Camera Module BMW F01 F07 F10 F11 F12 Based Assist Systems Control Unit 9231399
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2059001136
Mercedes C238 Vehicle Dynamic Transmission Control Unit Module A2059001136
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9189905
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9189905
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2719000700
Mercedes R171 SLK200 Kompressor M271.954 Engine Control Unit ECU A2719000700
Promo price
€180.95
€108.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0009006007
Fuel Pump Module Mercedes W205 Control Unit ECU A0009006007
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2059067200
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2129006518
Door Module Mercedes W204 W207 W212 Front Right O/S Control Unit A2129006518
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9380938
BMW 2 Series F45 Door Wiring Loom Harness Co-Driver's Passenger's Side 9380938
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8494948
BMW F40 F44 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 8494948
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2118700526
Driver Seat Module Mercedes R171 W203 W211 Memory Control Unit A2118700526
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 969713
BMW F01 F07 Boot Trunk Lid Tailgate Lock Wiring Harness Loom Cable 969713
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4F0953549A
Audi S6 C6 Steering Column Wiper Switch Stalk Cruize Control 4F0953549A
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1768200704
Sunroof Wiring Mercedes C117 W176 Panoramic Motor Cable Harness A1768200704
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0959794E
Audi A6 C6 Rear Door Right O/S Module Unit Control ECU 4F0959794E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 1K0909605AE
VW Volkswagen Scirocco Mk3 Air Module Control Unit ECU 1K0909605AE
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8512047-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8512047 Automatic
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6974631
BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8Y0963554B
Volkswagen Golf 8 Rear Seat Couch Occupancy Sensor Unit 8Y0963554B
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7636937
Ping Sensor BMW F20 F31 LCI Mini F55 F56 Engine Block Knock Sensor 7636937
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0971845A
AUDI A5 8T 2.0 TDI CGLC Fuse Relay Box Power Distribution 8K0971845A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2219005503
Mercedes W221 Air Suspension Module Regulation Control Unit A2219005503
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6836648
BMW G32 Adapter Cable Switch Door Center 6836648
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9124952
BMW 3 Series E90 E91 E92 E93 LCI Cable Duct Battery Lead Rear 9124952
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8P0907115AP-1
Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key 8P0907115AP Manual
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0035423019
Power Relay Control Mercedes W176 W246 Module 4 Pin 12V 20A A0035423019
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8518411
Mini Cooper D F55 F56 B37 Engine Injector Wiring Harness Cable Loom 8518411
Promo price
€161.95
€137.66
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9189906
BMW E88 E93 LCI Air Module Control Unit ECU 9189906
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9240077
BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9240077
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8V0907159
Audi A3 RS3 8V Impact Sound Actuator Body Control Unit Module ECU 8V0907159
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 .