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
Part no. 443937105B-1
Volkswagen Audi Skoda Seat Thermal Fuse Relay Amp 15A 12V 443937105B
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6958414
BMW E60 E61 Alarm System Unit Ultra Sonic Module 9149673
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A2059068501-1
Fuse Box Mercedes W205 S205 W213 Fuse Box Front Relay Control Module A2059068501
Product currently unavailable
-40%
Part no. 03L906022JM-1
Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Kit 03L906022JM
Promo price
€146.95
€88.17
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9242670
DVD Changer BMW F01 F10 F11 F12 F20 F30 Disc Changer Control Unit 9259800
Promo price
€189.95
€113.97
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9382417
BMW 1 2 3 5 F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Module 9382417
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 9283429
BMW E90 E91 E92 E93 LCI Radio CD Player Multimedia Head Unit 9283429
€569.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2129000004
SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. A0005427700
Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A1669006507
Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A0141541302
Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522
Promo price
€80.95
€68.81
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6940624
BMW E81 E87 E90 E91 E92 Ultrasonic-sensor PDC Arktis Metallic A34 6940624
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9289385
BMW F10 F34 GT Telematics Module Bluetooth Telematik Control Unit 9289385
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9231283-IBB
PDC Parking Sensor BMW X5 E70 F10 Ultrasonic Sensor Imperial Blue A899231283
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6950093
BMW X5 Series E70 Flat Cable Wiring Wire CAS Start Stop 6950093
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8579478
BMW F20 F30 F32 120dX 320dX 420dX Diesel N47N 184HP ECU Unit DDE 8579478 Manual
Promo price
€94.95
€56.97
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9153802
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II NSW Lear 9153802
Promo price
€146.95
€88.17
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 4H0907658C
Audi S3 8Y A5 F5 Q5 FY A8L 4H Air Quality Sensor Unit 4H0907658C
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8E0035111D
Audi TT 8J Radio Head Unit Navi CD DVD Player Changer 8E0035111D
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6905667
BMW E46 E53 E83 EWS 3 III ECU Immobiliser Ignition Control Unit Module 6905667
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A6429005601
Mercedes C207 Glow Plug Relay Unit Control Module A6429005601
Promo price
€56.95
€34.17
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A2218207389
Mercedes W221 Seat Headrest Display Monitor Rear Entertainment Unit A2218207389
Promo price
€218.95
€131.37
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9389286
Door Wiring Mini Clubman F54 Front Passanger Side N/S Door Harness 9389286
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9186170
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9640469680-1
Peugeot Partner Glow Plug Relay Control Unit Module 9640469680
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9217004-1
BMW X5 X6 E70 E71 Positive Battery Cable Wiring Plus Pole 9217004
Promo price
€37.95
€32.26
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 9226333-1
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9226333
€51.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7M0951253C
Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 7160897-1
BMW E53 E60 E65 E81 E87 E90 E91 Bulb Holder Turn Indicator 7160897
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A1765401602
Mercedes W176 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1765401602
Promo price
€42.95
€25.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9243896-1
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7G92-14324-AE
Earth Ground Cable Land Rover Freelander 2 Line Strap Battery Lead 7G92-14324-AE
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9128569-2
Wiring Harness BMW E81 E82 E87 LCI E88 Air Valve Air Flap Cable Wire 9128569
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8T0907468H
Audi A4 B8 Gateway Interface Control Module Unit ECU 8T0907468H
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9316575
BMW 1 2 Series F20 F21 F22 Battery Cable Lead Positive Underfloor 9316575
Promo price
€75.95
€45.57
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9229240
Radio Business BMW E81 E87 E90 LCI CD Player 9229240
Promo price
€47.95
€40.76
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7624412
BMW 1 3 Series F20 F21 F30 Cable Alternator Starter Base B Wire 7624412
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8586536-6
BMW F30 F32 LCI 335d 435d N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
Promo price
€398.95
€339.11
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9247067
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247067
Promo price
€99.95
€84.96
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A6395400150
Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400150
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8369504
BMW 5 E39 Saloon Radio Signal Antenna Amplifier Coaxial Cable 8369504
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2115452601
Mercedes ML W164 Prefuse Fuse Distribution Box Front A2115452601
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9276096
BMW 5 6 7 Series F01 F10 F13 Antenna Aeral Amplifier Diversity 868 MHZ 9276096
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A1679000111
Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000111
Promo price
€332.95
€283.01
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 09G927750CA
Audi TT 8N Automatic Gearbox Module Control Unit ECU 09G927750CA
Promo price
€142.95
€85.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2124407952
Mercedes W212 W218 Battery Cable Negative Lead Terminal Harness A2124407952
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A0009820212
Mercedes W176 W212 W246 Voltage Converter Inverter Power Distributor A0009820212
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 7253188
BMW E92 Sport Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€42.95
€25.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7545142
BMW Z4 Series E85 N52 Roadster Cable Alternator Starter Base B+ 7545142
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6814183
Audio Control Panel BMW F20 F30 F31 F32 Operating Unit FBM 6814183
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A1718201726
Mercedes SLK R171 Seat Heated Heating Control Unit Module ECU A1718201726
Promo price
€37.95
€32.26
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 7N0959793J
VW Volkswagen Sharan 7N Driver's Side Door ECU Module Control Unit 7N0959793F
Promo price
€42.95
€25.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9259581
BMW X3 F25 Map Card Fuse Box Grouping Diagram 9259581
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. A2213201058
Mercedes R231 Valve Block Air Suspension Control Unit A2123200358
€203.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2469003417
Parking Brake Module Mercedes W176 W231 W246 Electric Control Unit A2469003417
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 06A903143P
Audi TT 8N Alternator Bracket Mount Holder 06A903143P
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8578945-4
BMW F20 F21 F30 116d 316d N47N 116HP ECU Engine Contol Unit DDE 8578945 Manual
Promo price
€66.95
€40.17
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A0035420219-1
Relay Mercedes W639 W906 5-Pin Black 12V 20A A0035420219 Set X2
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A6397601804
Mercedes Vito W639 Door Handle Bowden Cable Catch Rear Wire A6397601804
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9128569-1
BMW 1 Series E81 E82 E87 LCI E88 Wiring Harness Air Valve Air Flap 9128564
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9315685
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315685
Promo price
€47.95
€40.76
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 02M911023G
VW Volkswagen Golf 1K 2.0 TFSI BWA Starter Motor 02M911023G
Product currently unavailable
Part no. 9381086
Amplifier BMW F06 GT F10 F13 F15 Audi Control Unit Active Sound Design 9381086
€47.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9196937
BMW E93 Convertible Seat Control Unit Module ECU 9196937 FSV 7.14.0
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A2048707658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
Promo price
€47.95
€28.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9874189
BMW 1 3 Series F20 F30 MINI F56 Control Unit Air Conditioning Module 9284440
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A0008201277
Mercedes-Benz W906 Light Repeater Lamp Wiring Loom A0008201277
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A2469009512
Multimedia Switch Mercedes X156 C117 W176 CD Player Radio Head Unit A2469009512
Promo price
€146.95
€88.17
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 4H0907412
Audi A8 D4 Ambient Lighting Control Module Unit ECU 4H0907412
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7810863
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 7810863
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 5M0035724
Volkswagen VW Golf Mk6 1K Aux Socket Port Switch 5M0035724
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. GV6T14A073DF
Ford Transit Connect Mk2 II Fuse Box Body Control Module GV6T14A073DF
Promo price
€37.95
€32.26
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6837359
Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 1K0951253-1
VW Volkswagen Audi Seat Relay 449 12V 30A Unit Module 4 Pins 1K0951253
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 1K0951605C
VW Volkswagen Golf Audi Seat Alarm System Siren Anti-Theft Signal 1K0951605C
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6964141
BMW 7 Series E65 E66 E67 Control Unit Module Door Front Driver Side 6964141
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6924389
BMW Z4 Series E85 E86 Battery Positive Cable Fuse Box B Base 6924389
Promo price
€25.95
€24.65
Free delivery - Mon, Nov 10
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 - Mon, Nov 10
If paid before 14:00
Part no. A9075400186
Mercedes Sprinter W907 Battery Cable Alternator Wiring Loom Harness A9075400186
€94.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9227470
BMW 1 Series F20 F21 LCI Antenna Aerial Noise Suppression Filter 9227470
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6961363
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961363
Promo price
€113.95
€96.86
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9218380
Steering Wheel Module BMW F10 F11 F20 F21 F30 F31 Heating Control Unit 9218380
Promo price
€42.95
€36.51
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 3450286
BMW X3 E83 LCI N47 Earth Cable Flow Electric Battery Negative 3450286
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8267408
BMW E46 E64 Front Seat Backrest Adjustment Drive Right O/S 8267408
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 6961134
BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6961134
€113.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A0045468540
Mercedes W221 Distributor Box Block Control Unit Relay A0045468540
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. HC345H297AA
Ford Transit Mk8 2.0 EcoBlue AdBlue Module Control Unit HC34-5H297-AA
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8516122
Battery Cable BMW X5 F15 X6 F16 Alternator Starter Wiring Loom Harness 8516122
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7543297
BMW 5 6 Series E60 E61 E63 E64 N52 Cable Alternator Starter Base B
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6921415
BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6921415
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 6980177-2
BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9140942-BAR
BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8691827-2
Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Key Manual
Promo price
€417.95
€250.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6938226
BMW 3 Series E90 E91 Cable Wiring Loom Rear Door Left Right 61126938226 6938249
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. BK2T14B144BA
Ford Transit Custom MK8 2.2 TDCI Fuse Relay Box Unit Module BK2T14B144BA
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2129010700
Mercedes W212 ECU Control Unit Sensor Module Airbag A2129010700
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6949694
CD Changer BMW E60 E61 E63 E64 6-disc Without Magazine 6949694
Promo price
€37.95
€32.26
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6868598
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Control Unit Module 6868598
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6916058
Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6916058
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
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 .