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. 9299594
Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594
€62.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2048704526
Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A4478200087
Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket A4478200087
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
Promo price
€132.95
€113.01
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6963013
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6963013
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2465402705
Mercedes W176 Door Harness Loom Cable Wiring Front Left Right N/O/S A2465402705
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9311850
BMW 1 3 Series F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9311850
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1698209926
Mercedes W169 W245 ECU Air Control Unit Sensor Module A1698209926
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 7622980
Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2118703185
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8574372
BMW F30 F32 330d 430d Diesel N57N Engine Control Unit ECU DDE 8574372 Automatic
Promo price
€189.95
€113.97
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8046454
BMW E81 E82 E87 E90 PDC Ultrasonic Sensor Front Rear Melbourne Red - A75 8046453
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9131643
BMW E87 E90 E92 Seat Wiring Cable Front Right O/S Heating Loom Harness 9131643
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A9079001605
Mercedes W907 Central Gateway Control Unit Module Relay ECU A9079001605
Promo price
€465.95
€279.57
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8571036
Mini F54 F55 F56 F57 Wiring Harness Engine Supply Module 8571036
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 5Q0959592D
Door Module Audi A3 8V VW Golf 7 Seat Leon 3 Front Right O/S 5Q0959592D
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 7853460
Gearbox Wiring BMW F87 M2 N55 Engine Automatic Loom Harness Cables 7853460
Promo price
€94.95
€56.97
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 4H0959655H
Audi A7 4G8 Air Module Control Unit ECU SRS Module Unit 4H0959655H
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2198200326
Door Module Mercedes C219 Rear Door Right O/S Control Module A2198200326
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 4H0907468AF
Audi A8 D4 Central Diagnostic Getaway PKO Control Unit Module ECU 4H0907468AF
Promo price
€66.95
€56.91
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9387626-1
MINI Cooper One F55 F56 Rain / Light / Solar HUD Sensor Windshield 9387626
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2045400440
Battery Bracket Mercedes W204 W207 Battery Mount Support Holder A2045400440
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1775402111
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775402111
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9226333-1
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9226333
€51.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8506374-6
BMW E60 E87 E90 120d 177 HP N47 ECU Engine Control Unit DDE 8506374 Manual
Promo price
€113.95
€96.86
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 1378238-1
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9323554
BMW 1 3 Series F20 F21 F30 Operating Unit Audio FBM Control Unit Panel 9323554
€32.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 6850375
BMW 1 3 Series E81 E87 LCI E88 E90 M3 E92 Speed Cluster Sensor 6780334
€35.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8X0959673
Audi A1 8X Windscreen Heating Control Switch 8X0959673
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 141951253B-1
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 2100493N
Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 2100493N
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8P0971085A
Audi A3 8P Rear Bumper PDC Parking Sensor Wiring Harness Loom 8P0971085A
€32.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 7852144
BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.1-4 7852144
Promo price
€66.95
€40.17
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1775404007
Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1775404007
Promo price
€67.95
€57.76
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 3D0937576
VW Volkswagen Phaeton 3D Main Fuse Socket Electrical Control Unit 3D0937576
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0015424623-1
Mercedes-Benz C E A207 W204 W212 1 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 4L0910289K
Audi Q7 4L Body Control Comfort Unit Module BCM Unit ECU 4L0907289K
Promo price
€237.95
€202.26
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9159332
BMW F01 F10 F11 Heater Fan Blower Unit Motor Wiring Cable Harness 9159332
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2518204426
Mercedes V251 W164 Front Lamp Headlight Control Module Unit HELLA A2518204426
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0009006612
Rear Module Mercedes C205 W205 Fuel Pump Control Unit A0009006612
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8P4035223B
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223B
Promo price
€132.95
€79.77
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 4H0907064FB
Audi A8 D4 BCM Module Body Control Unit Convenience ECU 4H0907064FB
Promo price
€42.95
€25.77
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 6857300
Air Module BMW F01 F02 LCI F10 F11 F13 ICM Crash Control Unit ECU 6857300
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A0035421019-1
Mercedes C117 GLA X156 ML W166 W176 W246 Relay 5 Pins Yellow Set A0035421019
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1695400606
Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. F1ET-14F142-BC
Ford Transit Connect Door Module Front Left N/S Control Unit ECU F1ET-14F142-BC
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
Part no. 02Z911024K
VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K
€32.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9670855680
Peugeot Partner Diesel Glow Plug Wiring Loom Cable Wiring 9670855680
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9110878
BMW E81 E87 E91 Switch Cluster Steering Column Cruise Control 9110878
Promo price
€180.95
€108.57
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 7L5937049AA
Porsche Cayenne 955 Comfort Control Unit Module ECU 7L5937049AA
€66.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9294309
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9294309
Promo price
€189.95
€113.97
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A2710106644-1
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU A2710106644 Automatic
€151.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2075405105
Mercedes W204 C207 W212 Panoramic Sunroof Wiring Cable Harness A2075405105
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9225830
BMW F07 Right O/S Central Bass Loud Speaker Stereo System Unit 9164582
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9210120
BMW F07 GT Door Wiring Loom Cable Harness 9210120
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9216459
BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9216459
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2118704785
Mercedes W211 Front Seat Memory Control Unit Module Left Right N/O/S A2118704785
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 4H4907357B
Audi A8 D4 Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357B
Promo price
€75.95
€64.56
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2139000814
Mercedes W205 W213 C238 Tailgate Lift Boot Lid Control Unit Module A2139000814
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-15%
Part no. 6825541
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 6825541
Promo price
€99.95
€84.96
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. F1ET-14F144-BC
Ford Transit Connect Door Module Front Right O/S Control Unit ECU F1ET-14F144-BC
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9296981
Battery Cable Mini F55 F56 BMW X2 F39 Diesel B37 Positive Cable Wiring 9296981
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9119494
BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8576341-2
BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM
€222.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7615305
Engine Wiring BMW F20 F21 F30 F31 N13 Loom Module Harness Cable 7615305
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9143270
Mini Cooper One R50 R53 Loudspeaker Rear 65136801101 6801101
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9196100
Mini Cooper One F55 F56 F57 B Pillar Upper Column Airbag Sensor 9196100
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8612576
BMW X1 F30 F31 LCI Starter Motor Engine 8612576
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 6824383
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 6824383
Promo price
€113.95
€96.86
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2044401005
Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8K0907279
Audi A5 8T Gateway Convenience Body Module Control Unit ECU 8K0907279C
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 06J906026AR
Volkswagen Scirocco Mk3 2.0 TFSI CAWB 200HP Control ECU Kit 06J906026AR Manual
€284.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 5Q0959595B
Audi A3 8V Rear Door Control Module Unit ECU Left Right N/O/S 5Q0959595B
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 296B20856R
Smart ForTwo C453 Bonnet Hood Opening Release Sensor 296B20856R
€32.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A2479003506
Mercedes W177 Front Seat Module Control Unit Memory Driver's Side A2479003506
€203.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9134666
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9134666
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 2447799
BMW M6 F13 X3 F25 F32 F33 Bluetooth Telematic Control Module Unit 2447799
Promo price
€113.95
€96.86
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A0009053006
Battery Wire Mercedes W205 Negative Cable With Battery Sensor 48V A0009053006
Promo price
€89.95
€53.97
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9267200-1
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 7199998
Mini R52 Cabrio Convertible Folding Top Roof CVM Module Control Unit 7199998
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8574095
BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8574095 Manual
Promo price
€47.95
€28.77
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-15%
Part no. A6399003000
Door Module Mercedes Vito W639 Front Right O/S Control Unit ECU A6399003000
Promo price
€56.95
€48.41
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9343259
B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140
Promo price
€42.95
€25.77
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9866979
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9866979
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9387453
Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
Promo price
€284.95
€242.21
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 4M0959795N
Audi A4 B9 Door Module Rear Left Right N/O/S Control Unit Module ECU 4M0959795N
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9210135
BMW F07 GT Rear Door Wiring Loom Cable Harness 9210135
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2059004013
Mercedes W205 Air Conditioning Control Module A/C ECU Unit A2059004013
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8707750
BMW F20 F21 F22 F23 F87 M2 Body Domain Controller BDC Module FEM 8707750
Promo price
€279.95
€237.96
Free delivery - Fri, Jan 02
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .