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. 9306405
BMW F20 F21 F30 F31 F32 F36 Negative Minus Battery Cable Lead Pole IBS 9306405
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A0009003101
Mercedes W204 W212 W221 Fuel Pump Module Control Unit A0009003101
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8474730
BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 190HP ECU DDE 8474730 Automatic
Promo price
€341.95
€290.66
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. A1669007814
Mercedes W166 W176 Navigation Screen Head Unit Sat Nav Display A1669007814
Promo price
€123.95
€105.36
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9811260
BMW Mini Cooper R60 Wiring Passenger Loom Front Door Cables Left N/S 9811260
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6948099
Mini Cooper One R50 R53 Adapter Lead Rear Window Wiper Motor 6948099
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A6519007500-17
Mercedes C207 E220 CDI OM651.911 BE Engine Unit Module ECU A6519007500 Automatic
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-40%
Part no. 8585935
BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A9069005701
Mercedes W639 W906 Air Module SRS Control Unit ECU A9069005701
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8K0959651
Audi A5 8T A4 B8 Crash Impact Sensor Control Unit 8K0959651
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1728100011
Mercedes W176 W204 W212 Navigation Control Unit Module NTG 4.5 A1728100011
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6917544
Mini Cooper R50 R53 Rear PDC Ultrasonic Parking Sensor Pepper White - 850
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6989713
BMW 1 3 Z4 Series E88 E89 E93 Convertible Cabrio DWA-Alarm System Module 6989713
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9253637
BMW 3 5 Series F10 F11 F30 F31 Airbag Control Unit Module 9253637 65779253637
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1668210351
Mercedes-Benz A CLA C117 W176 Airbag Impact Crash Sensor A1668210351
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9240943
Mini Cooper R55 R56 LCI R60 Electrical System Fuse Distribution Box 9240943
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
Promo price
€66.95
€40.17
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9298958
Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2129004203
Mercedes W212 Boot Lid Control Unit Trunk Lid Module A2129004203
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6945072
BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9231091
Bluetooth Control BMW E60 E87 E90 Telematics Unit Module 9231091
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2469009312-1
Mercedes W176 Radio Stereo Head Unit Media Player Navigation A2469009312
Promo price
€104.95
€89.21
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9331597
BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597
Promo price
€51.95
€44.16
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1635400382
Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6864208
BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2049001813-1
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049001813
Promo price
€89.95
€76.46
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2129003408
Mercedes W204 W221 Fuel Pump Module Control Unit A2129003408
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6917548
Mini R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8X0959795C
Audi Q3 8U Door Module Rear Left Door Control Unit 8X0959795C
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3449504
Mini Cooper One R55 R56 Electrical System Fuse Distribution Box 3449504
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6863385
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9322122-1
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9218330
BMW E81 E87 E90 LCI E92 Navigation System Car Computer CIC 9218330
Promo price
€237.95
€202.26
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2129001711
Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129001711
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A0025422619
Mercedes ML W163 Relay 4-Pin Grey Tyco A0025422619
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 8583423
Mini D R60 R61 ALL4 N47N 112HP Engine ECU Control Unit DDE 8583423 Manual
Promo price
€94.95
€56.97
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1729050151
Mercedes-Benz A B Class W176 W246 Roof Towing Alarm Sensor Switch Module
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8355056
BMW 5 X5 Series E53 Fuel Tank Flap Actuator 8355056
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 3453791
BMW X3 E83 LCI Crash System Control Unit Module ECU 3453791
Promo price
€47.95
€40.76
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8352336
BMW X3 X5 E39 E46 E60 E61 E83 E90 E91 Glove Box Torch Charger Sock 8352336
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6913389
BMW X3 X5 Z4 E53 E83 E85 6 Disc CD Changer Multichanger Without Magazine
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 7253188-1
BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2049013502
Mercedes W204 S204 Airbag Module Air Bag SRS Control Unit ECU A2049013502
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 3428336
Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3428336
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2079011700
Airbag Module Mercedes W204 W207 Air Bag SRS Control Unit ECU A2079011700
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9229878-1
BMW E87 LCI ECU Body Control Unit Module Junction Box H2 9229878
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 9151979
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9329703
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9329703
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9288770
BMW F20 F21 F22 Mid Range Sound Speaker Stereo HiFi 9288770
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9284331
Mini Cooper R55 R56 LCI R60 R61 Roof Light Switch Operating Unit 9284331
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9244392
BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9244392
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7520019-5
MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7520019 Manual
Promo price
€47.95
€40.76
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 1742690
BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7457873
BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457873
Promo price
€94.95
€80.71
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6972651
BMW Mini R52 Cabrio Convertible Folding Top Roof Module 6972651
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7557395-16
MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2469004512
Mercedes-Benz A M Class W166 W176 Parking Brake Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9367673
Mini Cooper F55 F56 F57 Visual Boost Surround Central Cover Instrument 9367673
Promo price
€47.95
€40.76
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 9117877
BMW F20 F21 F30 F31 F32 F33 Negative Minus Pole IBS Battery Lead Cable 9117877
€23.95
Free delivery - Tue, Nov 04
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, Nov 04
If paid before 14:00
-15%
Part no. 8572129
BMW 2 3 Series F22 F30 Diesel N47N Wiring Loom Harness Engine Module 8507896
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6923954
BMW E39 E46 X5 E53 X3 E83 Z4 E85 E86 Mini R50 R53 Rain Light Sensor 6923954
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6856314
BMW 1 3 Series F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8517727-3
Mini Cooper D R60 ALL4 112HP 1.6 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
Promo price
€146.95
€124.91
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6906600-1
BMW Mini Cooper R50 R52 R53 JCW Fuse Box Housing 6906600
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9294199
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9294199
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9216468
BMW F10 F11 F20 F30 F31 Front Seat Heating Control Module ECU 9216468
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8Y0035465A
Audi Q2 GA Harman Speaker Amplifier Booster Sound System 8Y0035465A
Promo price
€146.95
€124.91
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2465407832
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407832
Promo price
€170.95
€145.31
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9491419
BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9119444
BMW E81 E87 LCI E90 E91 E92 Front Fuse Box Power Distribution 9119444
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
Promo price
€66.95
€40.17
Free delivery - Tue, Nov 04
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, Nov 04
If paid before 14:00
-15%
Part no. 9264923
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264923
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8378113
BMW Z4 Series E85 E86 Interior Fuse Box 8378113
Promo price
€26.95
€25.60
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1698207326
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6927025-1
Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9807169
Mini Cooper One R56 R55 R58 R60 R61 Air Module Control Unit ECU 9807169
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8X0907063AB
Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9187536
BMW 3 Series E90N E90 LCI ECU Body Control Module H1 61359187536 9187536
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7180426
Fuel Pump Control Unit BMW E60 E81 E87 E90 E92 Module Sensor ECU 7180426
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 9299592
BMW F10 F11 Central Gateway Module ECU Control Unit Lear ZGW-02 4SK 9299592
€42.95
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A1779005104
Mercedes W177 Ambient Lighting Control Module Unit ECU A1779005104
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8512499-12
BMW X1 E84 xDrive 18d N47 143HP Engine Unit ECU DDE 8512499
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9196938
BMW E93 Seat Control Module Unit ECU 9148266
Promo price
€51.95
€44.16
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A2039000100
Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2039000100
Promo price
€113.95
€68.37
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A0045428718-1
Mercedes W203 W211 Parking Distance Sensor PDC Iridium Bright Silver
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 7939175
Mini F54 F55 F56 F57 F60 Rain Light Solar HUD Sensor 9496244
Promo price
€66.95
€40.17
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9112454
BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 9112454
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
Promo price
€56.95
€48.41
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A0009820512
Energy Distributor Mercedes W177 W212 Power Control Unit Module A0009820512
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 .