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
-15%
Part no. 9150889
BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8582280
Engine Control ECU BMW F20 F21 116d N47N 116HP DDE 8582280 Manual Transmission
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7798006
BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7259883
Stop Lamp Cover BMW F30 F80 M3 Rear Third Stop Brake Lamp Trim 7259883
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7229173
Fuel Pump Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump Module ECU 7229173
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8377654
BMW X5 E53 AmplifIer Trap Circuit Antenna Booster Diversity 8377654
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7542310
BMW Mini Cooper One R50 DME Petrol Engine Control Unit ECU Automatic 7542310
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7837273
BMW 1 3 Series E81 E87 E90 E91 PDC Parking Ultrasonic Sensor Le Mans Blau Blue
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9177754
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9177754
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 7640005-1
Mini Cooper R55 R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Key 7640005
€132.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2079010100
Air Module Mercedes W207 C207 Coupe Control Unit ECU A2079010100 5WK43967
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1769051000
Mercedes W176 Front Crash Impact Air Module Sensor Unit A1769051000
Promo price
€75.95
€64.56
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4030026
BMW Z4 E85 Xenon Headlight Resistor Ballast Relay Module Unit 4030026
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6906604-1
BMW Mini Cooper One R50 R52 R53 1 Power Distribution Fuse Box Front 6906604
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9196936
BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 6926371
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2465400082
Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465400082
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9234421
Fuse Box BMW F01 F02 F07 F10 F11 Power Distribution Front 9234421
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9227766
BMW F11 Touring Tailgate Spoiler Probe AM/FM Sensor 9227766
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2118209626
Mercedes W211 W219 Alarm Control Module Unit ECU A2118209626
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2219007701
Mercedes W221 Door Module Rear Right Left N/O/S Control Unit A2219007701
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9133913
BMW Z4 E89 Roadster Convertible HiFi Speaker System Amplifier 9133913
Promo price
€75.95
€45.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 2751265-7
Cable Wiring Mini R55 R56 Headlight Lamp Front Left N/S Plug Socket 6913653
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9214813
BMW X5 E70 Safety Airbag Control Unit Module ECU X6 E71 Bosch 9214813
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2466200514
Mount Support Mercedes W176 Battery Bracket Holder A2466200514
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A6511501433
Mercedes W176 W246 Glow Plug Wiring Harness Loom OM651 Engine A6511501433
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9145350
BMW X3 E83 LCI EWS IV 4.4 Control Unit Module ECU 9145350
Promo price
€66.95
€56.91
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9302358
BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9253082
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0061512501
Mercedes W203 W204 Diesel Engine Starter Motor A0061512501
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6862808
BMW F10 F11 F12 X3 F25 Electric Parking Brake Control Unit EMF Module 6862808
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2115408445
Gateway Module Mercedes W169 W211 W245 W219 W203 Control Unit ECU A2115408445
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9153803
BMW X5 Series E70 Light Lightning Control Unit Module FRM II Lear 9153803
Promo price
€170.95
€145.31
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9262752-1
BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 06L971627A
Audi S1 8X S3 8V VW Golf R Mk7 2.0 TFSI Fuel Injectors Wiring Harness 06L971627A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9306405
BMW F20 F21 F30 F31 F32 F36 Negative Minus Battery Cable Lead Pole IBS 9306405
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2129004314
Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129004314
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8T0959795N
Audi A4 B8 Rear Door Control Module Unit Left Right N/O/S 8T0959795N
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9284594
BMW 1 2 Series F20 F21 F30 F30 Mini F56 Front Seat Sensor Mat Left N/S 9284594
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0009004802
Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8P0862335S
Audi S3 8P Interface Bluetooth Control Module Harman Becker ECU 8P0862335S
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2129001711
Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129001711
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 6822582
BMW 3 Series F30 Head Unit Basic Media Navigation Headunit 6822582
Promo price
€75.95
€45.57
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2469055003-1
Ignition Switch Mercedes W167 W177 W247 Lock Control Unit Module A2469055003
Promo price
€51.95
€44.16
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2465405933
Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-15%
Part no. 3457050
Bluetooth Head Unit Mini Cooper R55 R56 R57 Radio Boost CD USB 3457050
Promo price
€322.95
€274.51
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. A6459060800
Starter Motor Mercedes W176 W246 C117 Diesel Engine Denso A6459060800
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9261110
BMW F20 F21 F30 F31 Fuse Box Power Distribution Control Unit Box Rear 9261110
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6954130
BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Right O/S 6954130
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2389055000
Mercedes W205 Antenna Aerial Amplifier Duplexer Module Receiver Unit A2389055000
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7253188-1
BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 4M0959793H
Audi A5 F5 A4 B9 Front Door Control Module Unit ECU Driver's Side 4M0959793H
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6980177-2
BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A0025424419
Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
€66.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9267466
BMW F10 Body Control Module Junction Box V2 PL2 JBBFE III Lear ECU 9267466
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 4M0959792H
Audi A5 F5 Door Module Control Unit ECU Front Passenger Side 4M0959792H
Promo price
€42.95
€36.51
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8X0959793K
Audi A1 8X Door Module Front Right O/S Driver's Side Control Unit ECU 8X0959793K
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9264571
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359264571 9264571
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6977398
BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1765405608
Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9338298
BMW F20 F21 F30 F33 KAFAS 2 Camera Lane Assist Module Control Unit ECU 9338298
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6906604
Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906604
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9345322
BMW F10 LCI ECU Body Control Module V2 Junction Box PL6 JBBFE III 9345322
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1635400382
Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9247467
BMW E82 ECU Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 059906627L
Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. A9064460542
Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2465405833
Mercedes W176 W246 Starter Cable Loom Wiring 160 180 CDI Diesel A2465405833
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9240083
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9240083
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7444684
BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7444684
Promo price
€89.95
€76.46
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8039828
BMW X5 E70 Rear Bumper PDC Parking Sensor Cables Wiring Harness Loom Set 8039828
Promo price
€66.95
€40.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6960221
Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7M0951253A
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 7M0951253A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1698208026
Mercedes W169 Door Control Module Right Front O/S A1698208026
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9395176
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9395176
Promo price
€132.95
€79.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9226326
BMW E81 Body Control Module Control Unit L2 PL2RR JBBFE III ECU 9226326
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6882971
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air 6882971
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9151148
BMW X5 E70 X6 E71 Mini Cooper R55 R56 R57 6 Disc CD Changer 9151148
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 7388490
BMW F31 Body Control Unit Module HKFM 7388490 0066245503 F005V01610
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0141540402
Alternator Mercedes W164 OM272 Engine Alternator 180A 14V Valeo A0141540402
Promo price
€75.95
€64.56
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9251702
BMW 1 2 3 Series F20 F21 F22 F30 F31 F32 Connecting Wire Sat Nav Champ/Mask-CID
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6920478
BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2118701885
Mercedes ML W164 Control Unit Module DC UHI MOST A2118701885
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9805670-1
Mini R60 Countryman Window Lifter Motor Drive Front Right O/S Door 9804384
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9284974
BMW F10 F11 On-board Central Information Display Screen Monitor 10,25" 9284974
Promo price
€113.95
€96.86
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9347878
Dashboard Monitor BMW X5 F15 Onboard Central Display Screen 10,25" 9347878
Promo price
€265.95
€159.57
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9226333
BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9226333
Promo price
€80.95
€48.57
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A0009004613
EGR Module Mercedes W177 W205 Exhaust Gas Recirculation Unit ECU A0009004613
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0009058112
Mercedes C118 W177 W247 Negative Battery Terminal Cable Lead A0009058112
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2049005410
Mercedes W204 Sat Nav Radio CD Player Radio Head Unit A2049005410
Promo price
€66.95
€56.91
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6850497
BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9296494
BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6854856
BMW F10 F11 F12 EMF Module Parking Brake Unit Electric Control 6854856
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9261580
BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic Glacier Silver A83
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 .