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. 6777641
Air Module Wiring BMW X5 E70 E81 E87 E90 E91 E92 E93 Steering Wheel Loom
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7316536
BMW G30 G11 G12 Sunroof Sliding Roof Drive Unit Motor Actuator
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9302256
BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 9302256
Promo price
€80.95
€68.81
Free delivery: Jun 12 – 17
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: Jun 12 – 17
If paid before 14:00
Part no. A0009822023
Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7549393
Negative Cable BMW E81 X1 E84 E87 E90 E91 E92 E93 Ground Earth Battery 7549393
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. A2049009201
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049009201
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7802158
BMW E60N E81 E87N E90 E90N E91 E91N E92 E93 Wiring Harness Engine Glow Module
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9315682
Body Control Module BMW F20 F21 F30 F31 F32 Comfort Unit FEM ECU LR01 9315682
Promo price
€113.95
€96.86
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 8E0035411B
Audi A4 B7 Door Speaker Tweeter Front Left Right N/O/S 8E0035411B
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 6938762
Microphone BMW E60 E65 E81 E87 E90 E91 Hands Free Telephone 6938762
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9148264
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264
Promo price
€37.95
€32.26
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 7316186
BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
Promo price
€75.95
€64.56
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9239985
BMW F10 F11 Control Unit ECU Module Airbag Safety Unit 9239985
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1K0909606C
Crash Impact Sensor Volkswagen Golf Audi A4 Q7 A6 C6 Air Module Unit 1K0909606C
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 9264943
BMW F20 F21 F30 LCI Sound Speaker Mid Range Stereo HiFi 9264943
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. A1668210151
Impact Sensor Mercedes W166 W176 W246 Crash Sensor A1668210151
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 6982402
BMW E81 E84 E87 E90 E91 Parking Module Control Unit PDC 6982402
€56.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9119446
BMW E81 X1 E84 E87 E90 E91 E92 Fuse Box Power Distribution Unit Front 9119446
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1K0937125A
Skoda Octavia II Engine Bay Fuse Box 1K0937125A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. A1669002700
Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 7603567
BMW E60 E93 Mini Cooper R55 R56 R60 Minus Lead IBS Negative Battery 7603567
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. A2049017801
Mercedes W204 W212 Windscreen Rain Sensor Control Unit A2049017801
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
Promo price
€189.95
€161.46
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9226357
BMW F20 F21 F30 TOP HIFI Loudspeaker Tweeter Harman Kardon 9226357
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
Promo price
€56.95
€34.17
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9270392-1
BMW F20 F21 F22 Central Information Display Screen 6,5" 9270392
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 6962531
Mini Cooper R50 R52 R53 Air Module Control Unit Module ECU 6962531
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7631109
BMW F20 F21 F30 F32 F87 Battery Cable Negative IBS 7631109
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 7317408
BMW F10 F11 LCI F30 F31 Xenon Headlight Ballast Control Unit 7317408
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 9119444
BMW E81 E87 LCI E90 E91 E92 Front Fuse Box Power Distribution 9119444
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9160189
BMW 1 Series E87 LCI ECU Body Control Module H2 ECU 9160189
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7342174
BMW X1 E84 Z4 E89 LED Xenon Headlight ECU Module 7342174 L90028076
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7649087
BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 8V0971104
Audi A3 S3 8V Sportback Wiring Harness PDC Parking Sensor Rear Bumper 8V0971104
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 6799712
BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9200822
BMW E60 E81 E90 E91 Hands-Free Bluetooth Module High MULF2 9200822
Promo price
€61.95
€52.66
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 8K0915181B
Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181B
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 9306085
BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
Promo price
€51.95
€31.17
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 2754241
Mini Cooper R55 R56 R57 R60 R61 Engine Computer Mount Support Bracket Holder
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9351155
Control Panel BMW X3 F25 X4 F26 Radio Player High Audio Unit Module 9208591
Promo price
€56.95
€48.41
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9185542
BMW X5 E70 CCC Radio CD Player Navigation 9185542
Promo price
€237.95
€202.26
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5Q0907361C
Audi A3 8V Fuse Box Control Module Relay Box 5Q0907361C
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 6933968
BMW Z4 Series E85 Wiring Drivers Side Loom Front Door Cables Right O/S 6933968
Promo price
€43.95
€26.37
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 8572426
BMW F30 F32 LCI 335dX 435dX Engine Injector Ignition Wiring Cable Loom 8572426
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 8W0959655F
Audi A4 B9 Air Module Crash Control Module Unit ECU 8W0959655F
Promo price
€222.95
€133.77
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. A2469054201
Mercedes CLA C117 W176 Aerial Booster Antenna Amplifier A2469054201
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 6797326
Mini Cooper One R55 R56 R57 LCI R58 R59 R60 R61 Speed Sensor 6797326
Promo price
€47.95
€40.76
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. A1179009200
Mercedes W176 Air Module Belts System Control Unit ECU Bosch A1179009200
Promo price
€70.95
€60.31
Free delivery: Jun 12 – 17
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: Jun 12 – 17
If paid before 14:00
-15%
Part no. 6929916
BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 3416765
Mini Cooper One R56 Antenna Amplifier Aerial Diversity Module 3416765
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 8T0919603G
Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603G
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9259425
BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
€42.95
€36.51
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. A4479058203
Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. A2139008530
Mercedes W213 W447 Transmission Gearbox Control Unit Module ECU A2139008530
Promo price
€47.95
€28.77
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9377149
BMW 1 3 Series F20 F21 F30 F31 Telematic Control Unit Module 9377149
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 9149615
BMW E61 E65 E70 Telemetics Control Unit Bluetooth Control Unit Module 9149615
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. A1668200400
Mercedes GLE W166 C292 Front Seat Occupancy Sensor Wire Harness A1668200400
Promo price
€89.95
€53.97
Free delivery: Jun 12 – 17
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: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9177978
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9177978
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. A2128204926
Mercedes W212 Crash Impact Air Module Sensor Front Unit A2128204926
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9259425-2
Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. A0009821212
Energy Distributor Mercedes W205 W212 W213 W906 Control Unit Module A0009821212
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 6945387
BMW X3 X5 Series E53 E83 E87 Hands-free Electronics Charging Module MULF 6945387
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 6858017
BMW F10 F11 LCI Control Unit EMF Module 6858017
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9226882
BMW F20 F21 Rear Antenna Aerial Amplifier AM/FM DAB 9226882
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7899655
Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9274428-1
Parking Sensor Mini Cooper F54 F55 F56 F57 F60 PDC Ultrasonic Black 9274428 SET
Promo price
€89.95
€76.46
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 9399427
Radio Head BMW F20 F21 F22 F30 F31 Unit Basic Media Navigation Headunit 9399427
Promo price
€80.95
€48.57
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. A2469000012
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
Promo price
€80.95
€68.81
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. A1715450032
Mercedes SLK R171 PDC Parking Distance Control Unit Module Sensor A1715450032
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 8C1T14303CA
Ford Transit Mk7 Negative Battery Terminal Cable Wiring 8C1T14303CA
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 6858547
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547
Promo price
€47.95
€40.76
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 6850374
BMW 1 3 Series E81 E87 E88 E90 E91 E92 Accelerator Speed Sensor 6850374 6778421
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 5Q0907530AM
Audi A3 8V VW Passat B8 Gateway Control Unit Module 5Q0907530AM
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 9165211
Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
Promo price
€80.95
€48.57
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7176068-2
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. A1729058200
Mercedes W204 W207 W212 W221 Humidity Temperature Sensor Unit A1729058200
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9221861
BMW E90 E91 E93 LCI Front Left Right N/O/S Seat Control Module ECU 9221861
Promo price
€66.95
€56.91
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 6954007
BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232
€113.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9176877
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9292248
BMW F30 F31 F32 F33 Central Information Screen Display 8,8" 9292248
Promo price
€237.95
€202.26
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. A1669005417
Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 8616568
BMW F20 F21 F30 F31 Petrol N20 Electrical Fuse Box Cover Lid Panel 8616568
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 8635811-1
BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables 8635811
Promo price
€89.95
€76.46
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 8K0907064DP
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 3455701-1
BMW Mini Cooper Convertible R57 Footwell Light Module ECU PL3 FRM II 3455701
Promo price
€137.95
€117.26
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9360501
Mini F54 F55 F56 F57 F60 Rear Electric Power Distribution Fuse Box 9360501
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 7199819
Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5A50601
BMW E65 E66 GPS DVD CD Computer Reader Head Unit 5A50601
€132.95
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 7627021
BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021
Promo price
€37.95
€32.26
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 2758951
Mini Cooper R58 R59 Dash Roof Operating Unit Light Switch 2758951
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 8506281-2
BMW E87 LCI E90 116d 316d N47 Engine ECU KIT DDE 8506281 + CAS3 + Key Manual
Promo price
€89.95
€76.46
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 9134734
BMW E93 Convertible Rollover Control Controller Module Unit 9134734
€218.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 9371789
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 9201128
Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128
Promo price
€42.95
€36.51
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 6972064
BMW 1 3 X1 SERIES E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6972064
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
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 .