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. 7518610
BMW E65 E66 E67 Earth Ground Battery Strap Cable 7518610
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 191906383C
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 191906383C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 03D971595CJ
VW Volkswagen Fox 5Z 1.2 CHFB Engine Wiring Loom Harness Cable Loom 03D971595CJ
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 8486547
Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT
Promo price
€427.95
€256.77
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8654632
BMW F40 F44 F45 Mini Cooper F55 F56 Engine Starter Motor Positive Battery Cable
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€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8621486
BMW F20 F21 LCI F36 F87 M2 N55 Cable Alternator Starter Base B Wiring 8621486
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00
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Part no. A1729003406
Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406
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€80.95
€48.57
Free delivery - Tue, Oct 28
If paid before 14:00
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Part no. 7801158
BMW 3 5 X5 Series E60 N E70 E90 F30 Exhaust Lambda Probe Oxygen Sensor 7801158
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€28.95
€24.61
Free delivery - Tue, Oct 28
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Part no. 7811111
BMW X3 E83 LCI 2.0d N47 177HP Engine Module ECU Kit DDE 7811111 Automatic
Promo price
€336.95
€202.17
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6970086
BMW 5 6 Series E60 E61 E63 LCI Cable Set Start / Stop Switch Wiring Loom 6970087
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9124583-KAS
BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor Kaschmir Silver A72 9124583
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
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Part no. A2129003922
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 6781575-1
YAW Rate Sensor BMW E81 E87 E90 E91 Accelerator Speed Module 6781575
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2034621130
Mercedes W203 Steering Column Lock Control Unit Module A2034621130
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A1645403130
Mercedes W164 Positive Battery Cable Wiring A1645403130
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 7599881-3
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
Promo price
€137.95
€117.26
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2044404732
Mercedes W204 Estate PDC Wiring Rear Bumper Parking Sensor Cable A2044404732
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
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Part no. 31100-PSA-013
Honda Stream S Alternator Generator 31100-PSA-013
Promo price
€61.95
€52.66
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6929701
BMW 7 Series E65 E66 Alarm System Ultra Sonic Module 65756929701 6929701
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2075409334
Mercedes-Benz E-Class W207 Cabrio A207 Battery Ground Cable Wiring Mass Lead
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9280186
BMW 5 7 Series F10 F11 F01 F02 F03 LCI Airbag Control Module ECU Unit 9280186
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 05E907309CB
Audi Q2 GA 35 TFSI 1.5 DXDB Engine ECU Kit Ignition + Key 05E907309CB Manual
Promo price
€332.95
€199.77
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A2219006303
Mercedes W221 Radio Multimedia Head Unit A2219006303
Promo price
€835.95
€501.57
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A0009001704
Fuel Pump Module Mercedes W176 W204 C207 W212 W246 Control Unit ECU A0009001704
Promo price
€80.95
€68.81
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8K590735700
Audi A5 8T Front Lamp Xenon Headlight Range Control Module 8K590735700
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 6875997
ICM Control Unit BMW F01 F02 LCI F06 F10 F11 F13 ECU Module 6875997
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8585935
BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 5Q0937084CJ
Audi A3 8V 1.6 TDI DBKA BCM Body Control Module Unit ECU 5Q0937084CJ
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9142405
Mini Cooper One R56 Front Left Door Wiring Harness N/S 9142405
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 2755393
Sensor Mat Mini Cooper R55 R56 R57 R58 R59 R60 Passenger Side 2755393
€28.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9127088
BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6900583
BMW E65 E66 Power Distribution Box 6900583
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7798482
BMW E60 E61 Battery Alternator Cable Lead For Preheater System 7798482
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2218204189
Mercedes W221 Antenna Amplifier Aerial A2218204189
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 5F4035225B
Seat Leon Mk3 Antenna Amplifier Module FM Right O/S Aerial Booster 5F4035225B
€42.95
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 6G9T-14B192-DA
Ford Galaxy Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-DA
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8583091
BMW X5 E70 G11 Integrated Supply Module Ecu Control Unit 8583091
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8T0915181
Audi A4 RS4 B8 Battery Terminal Negative Cable Loom Harness Wiring 8T0915181
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 4H0951253A-2
Seat Skoda Audi VW Polo 6R Multi Use Control Relay 4 Pin 645 4H0951253A SET X3
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A9075407160
Mercedes W907 W910 Battery Electrical Wiring Harness Ground Line A9075407160
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. DV6T14B533BD
Ford Transit Connect Door Module Front Left N/S Control Unit ECU DV6T14B533BD
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8V0035399C
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035399C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 93455416
Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 93455416
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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 - Tue, Oct 28
If paid before 14:00
-15%
Part no. 6948180
BMW E90 E91 Control Unit Xenon Light Headlight 6948180
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8572439-3
Engine Control Unit BMW F30 F31 N57N 330d 258HP ECU DDE 8572439 Automatic
€61.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7521582
BMW E46 E83 E85 Engine Electronics Unit Box Cover Trim 7521582
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2048700185
Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185
Promo price
€99.95
€84.96
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8V0035020H
Audi A3 8V MMI Multimedia CD Player Head Unit Infotainment 8V0035020H
Promo price
€436.95
€371.41
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9390835
Sound Amplifier BMW X5 F15 X6 F16 Active Harman Becker Design 9390835
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00
-10%
Part no. 8377077
BMW X5 Series E53 3.0i Petrol Pressure Hose Compressor Condenser 8377077
Promo price
€33.95
€30.56
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 6923945
BMW 5 6 SERIES E60 E60N E61 E61N E63 B terminal point engine compartment 6923945
€28.95
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8H0959655E
Audi A4 S4 B7 Cabrio Air Module Control Unit ECU Impact Sensor 8H0959655E
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6857314
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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 - Tue, Oct 28
If paid before 14:00
Part no. 8580307
BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual
€94.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A1648204326
Mercedes MLW164 Air Module Control Unit ECU Air Module Sensor A1648204326
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2048207385
Mercedes-Benz C W204 Front Left Door N/S Control Unit Module A2048207385
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A2129060205
SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
Promo price
€99.95
€59.97
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2044402607
Earth Ground Cable Mercedes W204 W207 Battery Wiring Loom Engine A2044402607
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A9069820109
Mercedes Sprinter W906 Positive Battery Terminal Cover Cap Trim Red A9069820109
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 7569969
BMW X5 X6 E70 E71 Control Unit Module Transfer Box 7569969
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A9105400805
Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8582280-5
Engine Control Unit BMW F20 F30 F31 118d 318d N47N 143HP ECU DDE 8582280 Manual
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6820235
BMW F20 F30 Mini F55 F56 Control Unit Air Conditioning Module 6820235
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A2215457832
Mercedes W221 Steering Column Wheel Angle Sensor Control Unit A2215457832
€80.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9382401
BMW F30 LCI 330e Hybrid High Voltage Electronics Unit Holder Support 9382401
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 5Q0915181C
Audi A3 8V Negative Battery Cable Terminal Clamp Wire 5Q0915181C
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2059007521
Module Mercedes W205 Air Conditioning A/C System Control Module A2059007521
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7296090
BMW Z4 F30 F31 E89 Headlight Ballast Control Unit Xenon Light 7296090
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6850846
BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 9291387
BMW X5 E70 X6 E71 Side View Camera Top Rear Control Unit Module 9291387
€56.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7835131
BMW E60 E61 LCI M5 E63 M6 Fuel Injection System Adapter Lead 7835131
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8633997
Ground Line BMW G11 G12 G20 G30 G31 Battery Earth Cable Wire 8633997
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9217912
BMW E82 E90 LCI Trunk Shelf Left Right Speaker Tweeter Harman Kardon 9217912
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2218207502
Mercedes W221 Front Centre Dashboard Speaker Logic 7 A2218207502
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9262871
BMW F01 Front Door Wiring Loom Cable Harness 9262871
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A1648702726-1
Mercedes W164 Boot Trunk Lid Tailgate Control Unit Module ECU A1648702726
€51.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9316569
BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A9069820109-1
Mercedes W907 Positive Battery Terminal Cover Cap Trim Red A9069820109
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2038202185
Mercedes W203 Door Control Module Rear Left N/S A2038202185
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9243637
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9243637
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 9247383
Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
€32.95
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A1669003602
Mercedes W204 R172 DAB Receiver Digital Audio Control Unit Module A1669003602
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8K0907064DP
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
€32.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9317173
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V1 9317173
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 80C919616
Audi Q5 FY Multimedia Volume Control Button Switch Knob Head Unit 80C919616
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 7592508
BMW X5 E70 E90 LCI F20 Engine Wiring N55 Valvetronic Servomotor Cable 7592508
€32.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 5Q0937615C-1
Audi TT FV Fuse Relay Box Module Electrical Control Unit 5Q0937615C
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A6394405109
Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A0065424220
Mercedes W164 W251 High Tone Horn Signal Right O/S A0065424220
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 3405815
BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
€132.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6951674
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Sparkling Graphite A22
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6964965
Condenser Pipe BMW E88 E90 E90N E91 E92 E93 Air Con Pressure Hose
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A4479009808
Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM 4479009808
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6857262
Air Module BMW F01 F02 LCI F10 F11 F13 ICM SRS Control Unit ECU Bosch 6857262
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A0018209326
Mercedes-Benz E CLS Class W211 W219 Crash Sensor Left Right N/O/S A0018209326
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .