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. A2035454932
Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8067511
BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. Mini Lodgesons
MINI Cooper R50 Lodgesons Steering Wireless Control Unit Module System
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 6943085
BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A1645453047
Mercedes ML W164 Trunk Tailgate Foam Control Unit Module Bracket A1645453047
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8678968
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F9035225AA
Audi A6 C6 Antenna Amplifier Control Unit Module 4F9035225AA
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6974373-1
BMW E81 E84 E87 E88 E90 Ultra Sonic Module Alarm System 9149671
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 9237655-2
BMW E60 E61 E81 E87 E90 F10 Audio Aux In Socket Plug 9237655
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 8519663-16
Mini Cooper SD R60 R61 ALL4 N47N 143HP ECU Kit DDE 8519663 CAS3 Key Manual
Promo price
€194.95
€116.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 31327066
Starter Motor Volvo S40 V70 XC90 Diesel Engine Actuator Motor 31327066
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A0051517401
Starter Motor Mercedes W169 W245 Diesel Engine A0051517401
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9197354
BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8647255
BMW 1 2 Series F20 LCI F21 F22 Integrated Supply Module 8647255
Promo price
€27.95
€23.76
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4G0907401F-1
Audi A7 4G 3.0 TDI CDUC Quattro Engine ECU Kit BCM + Ignition + Key 04L907445F
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 9217234
Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 9324781
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324781
Promo price
€94.95
€56.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9241974
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9241974
Promo price
€80.95
€48.57
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 81A035035G
Audi Q2 GA Sat Nav Multimedia Control Unit Module SD SIM MIB2 HIGH 81A035035G
Promo price
€807.95
€484.77
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A2075401650-1
Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
€56.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2055400182
Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A0035420219-3
Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue A0035420219
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8582279-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 Keys FEM
Promo price
€222.95
€133.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6980078
BMW E88 Antenna Amplifier Aerial Diversity Module AMP 6980078
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8517727-3
Mini Cooper D R60 ALL4 112HP 1.6 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
€146.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 03L911021E
Audi A4 B8 Starter Motor Engine Motor Actuator Diesel Bosch 03L911021E
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
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 07
If paid before 14:00
-40%
Part no. A2469002616
Mercedes W176 W246 PDC Parking Distance Sensor Control Unit Module A2469002616
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1439674
BMW X5 E53 Base B Positive Battery Terminal Cable Cover Compartment
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8K0907063N
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063N
Promo price
€51.95
€44.16
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7793200
BMW E90 E91 E92 E93 X5 E70 X6 E71 Engine Starter Motor Alternator Cable 7795640
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7601799
Earth Ground Cable BMW X3 F25 Battery Cable Engine Wiring 7601799
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1729001906
Mercedes X218 CLS350 Communication Bluetooth Control Module A1729001906
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 5M0035186AA
Radio CD Player VW Volkswagen Golf Polo Passat B6 Head Unit RCD310 5M0035186AA
€28.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4G0907637H
Audi A6 C7 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637H
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6957759
BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6957759
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7604347
BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8573257
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2769007300-2
Mercedes R172 AMG SLC 43 276.822 Engine Control Module ECU Kit A2769007300
Promo price
€455.95
€273.57
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A0009009639
Mercedes EQA350 H243 4matic DC Current Charge Connection Module OBL + BR293
Promo price
€1,044.95
€626.97
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8579420
BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625
€56.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2129008707-1
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2048205189
Mercedes-Benz C-Class W204 Aerial Antenna Amplifier Unit A2048205189
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2469009413-1
Mercedes W176 W246 Control Unit Body Control Module ECU A2469009413
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8588448
BMW 1 3 Series F20 F21 F30 LCI Wiring Harness Engine Glow Plug Module 8588448
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9286156
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9286156
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6796503
BMW F07 GT ICM Integrated Module Chassis Management QL ES Control Unit 6796503
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5A323C8
BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8678967
Mini Cooper R56 Petrol Engine Installation Wiring Loom Harness 8678967
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9134483
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A0003427200
Mercedes EQA350 H243 4matic Electric Voltage Converter Module A0003427200
Promo price
€408.95
€245.37
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9281714
BMW F83 Camera Kafas Front Windscreen Camera 9281714
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4F0907283
Audi A6 C6 FL Tire Pressure Control Module 4F0907283
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8383551
Mini R50 R53 Headlight Aim Range Control Unit Module ECU Xenon 8383551
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7796127
BMW X5 E70 X6 E71 Engine Starter Motor Positive Battery Cable 7796126
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6932452
BMW 5 6 Series E60 E61 E63 E64 Power Distribution Electrical Fuse Box 6932452
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7181313
BMW X1 E84 E90 E91 Door Handle LED Light Lighting Left N/S 7181313
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9315152
BMW X3 F25 Fuse Box Grouping Map Diagram Location 9315152
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A1665402709
Mercedes W166 Automatic Gearbox Wiring Loom Harness Cable A1665402709
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2475400700
Mercedes W177 Rear Axle Wheel RPM Speed Left N/S Sensor Wire Harness A2475400700
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8574048
Mini F54 F55 F56 F57 F60 Engine Starter Motor Plug Bracket Holder Mount 8574048
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5Q0971230FP
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A1729060105
Mercedes SLK R172 Rear Fuse Box SAM Relay Control Unit Module A1729060105
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9123605
BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605
Promo price
€33.95
€28.86
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2466200018
Mercedes-Benz A-Class W176 Battery Frame Holder Bracket Mount Plate A2466200018
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 5G0971104L
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104L
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6960259
BMW 1 3 SERIES E81 E82 E87 E90 E91 E92 E93 Flat Cable Wiring Wire CAS Start Stop
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1648209385
Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8631634
BMW X5 F15 Earth Ground Cable Negative Battery Lead Wiring 8631634
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 5QA919283A
Audi A3 S3 8V VW Golf 7 Seat Leon 3 Parking Assist PDC Control Module 5QA919283A
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6974246
BMW MINI Cooper Clubman R55 R55N LCI Retaining Bracket Safety Belt Rear Right
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 411033
iPod Most Interface BMW E60 E65 E81 E87 E90 Module Alpine 0411033
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6918567
BMW 7 Series E65 E66 E67 Seat Control Unit Module Heating 6918567
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9290014
BMW X3 F25 Light Module Control Footwell ECU Unit FRM3 9290014
Promo price
€108.95
€65.37
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8518167-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Manual
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A6519003603-2
Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8J0971237A
Audi TT 8J Starter Motor Negative Battery Wiring Harness Cable 8J0971237A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2059008304
Mercedes W205 SAM Module Rear Body Comfort Control Unit ECU A2059008304
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A2059007815
Mercedes W205 Radio Audio Navi GPS Head Unit A2059007815
€227.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 6939287
BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3415607
BMW X3 E83 LCI Petrol N52N Cable Alternator Starter Base B+ 3415607
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6947817
BMW E65 E66 IDrive Control Unit Front Centre Console Module ECU 6947817
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2219004704
Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704
Promo price
€854.95
€512.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2781506020
Cable Beam Mercedes W166 W212 W221 Engine Wiring Harness Loom A2781506020
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 2706050200
Lexus LS400 1UZFE V8 Petrol Engine Alternator Generator Denso 2706050200
Promo price
€170.95
€145.31
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2098200326
Mercedes C209 Body Control Module Unit Temic 376 800 GZ A2098200326
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118703126
Headlight Module Mercedes C209 W211 CLS C219 Level Control Unit ECU A2118703126
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1393415
BMW 3 5 7 Series E36 E38 E90 E91 F10 F11 Change-Over Contact Relay Grey 1393415
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6900582
BMW 7 Series E65 E66 Fuse Board Power Distribution Box
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2128270228-ING
Mercedes W212 Estate Roof Antenna Cover Shark Indium Grey Metallic A2128270228
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2049060305-1
Mercedes W204 SAM Module Control Unit Rear A2049060305
Promo price
€80.95
€48.57
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8K0907064JE
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064JE
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2129009908
Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009908
Promo price
€127.95
€76.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2049057501
Mercedes W204 W212 Dashboard Light Sun Solar Sensor Unit A2049057501
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9289008
BMW F10 F11 On Board Screen Central Information Display Monitor 10,25" 9289008
Promo price
€237.95
€202.26
Free delivery - Tue, Oct 07
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 .