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. A1779008511
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779008511
Promo price
€47.95
€40.76
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
-5%
Part no. 7625998
BMW F20 F21 F22 F30 F31 F32 F33 Line Cable Power Distribution Module 7625998
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2215450601
Mercedes W221 Dashboard Fuse Box Front Left N/S Control Module A2215450601
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. A1679008405
Mercedes Sprinter W907 W910 Front Door Module Control Unit Left N/S A1679008405
€132.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 1S0919275-PHB
Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU Phantom Black Z9Y
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 7550017
Mini Cooper One Clubman R55 R56 R58 R59 R60 Starter Motor 1.6 Engine 7550017
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 89393773
Audi Q7 4L Headlight Module Ballast Control Unit 89393773
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9118931
BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A1669051702
Mercedes-Benz A C M W166 W176 W205 Aerial Antenna Amplifier Unit A1669051702
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 9247397
Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9247397
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9311849
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 9311849
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 6820386
Mini F54 F55 F56 Operating Unit Audio Radio Control Switch Panel 6820386
Promo price
€617.95
€370.77
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. A1179001802
Mercedes W176 Air Module Belt Locking System Control Unit Module ECU
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
Part no. 6R0937085B
Volkswagen Polo 6R BCM Body Comfort Control Module Unit ECU 6R0937085B
€66.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6778809-1
Mini Cooper One R55 R56 R57 Xenon Headlight Level Sensor 6778809
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
-5%
Part no. 8362064
BMW E39 X5 E53 Z4 E85 Drive For Window Lifter Motor Right O/S 8362064
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 5A923C4
BMW F40 G20 G21 G30 G31 X3 G01 HiFi Audio Sound Amplifier RAM Module 5A923C4
Promo price
€189.95
€113.97
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9253111-1
BMW 1 2 Series F20 F21 F22 Positive Plus Pole Battery Blow Cable Part 9253111
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 3T1T-14301-AC
Ford Transit Connect Negative Battery Terminal Cable Wiring 3T1T-14301-AC
€28.95
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 8576341-6
BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM Manual
Promo price
€284.95
€170.97
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. A2059004021
Mercedes W205 GLC X253 Door Module Control Unit Front Left N/S A2059004021
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6938064
BMW E65 E66 E67 Amplifier Rear Window Antenna Amplifier Module 868MHZ
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 8518268-2
BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual
€94.95
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. A2215402250
Mercedes W221 SAM Relay Fuse Box Module Control Unit ECU A2215402250
Promo price
€170.95
€145.31
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 9234437
BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A0025428919
Relay Mercedes W176 W246 5-Pin Yellow Hella 12V A0025428919
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 9350995-1
BMW F10 F20 F30 Rear View Camera Wiring Loom Cable 9350995
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. A2139058101
Mercedes C118 C253 Rear Bumper Switch Sensor Module A2139058101
Promo price
€56.95
€34.17
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 7565300-8
BMW E87 E90 E91 118i 318i N46 129HP Engine ECU Kit DME 7565300 Manual Key CAS 3
€246.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6968650
BMW 3 Series E93 E93N LCI Aerial Antenna Amplifier FM/AM Right O/S 6968650
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 6835346
Mini F60 Rear Door Harness Loom Cable Wiring Left Right N/O/S 6835346
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 1440315
BMW X5 Series E53 Wiring Loom Harness Engine Gearbox Module Petrol M62 Automatic
€51.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9142092
Bluetooth Antenna BMW X1 X3 Z4 E84 E89 F01 F02 F03 F25 Amplifier AMP 9142092
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
-40%
Part no. 8W0907063CF
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W0907063CF
Promo price
€80.95
€48.57
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 079903805AF
Audi A5 S5 S5 8T 4.2 FSI Alternator Bracket Mount Holder 079903805AF
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6978374
Air Module Unit BMW E60 E61 Sensor Control ECU 6978374
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. A6402002770-1
Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
-5%
Part no. 06L971627A
Audi S1 8X S3 8V VW Golf R Mk7 2.0 TFSI Fuel Injectors Wiring Harness 06L971627A
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 8W0906093G
Audi A4 B9 A5 F5 Petrol Engine Fuel Pump Control Unit Module 8W0906093G
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 6856980
BMW F01 F10 F11 F30 F31 AHK Towing Hitch Tow Bar Control Module Unit ECU 6856980
Promo price
€113.95
€96.86
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. GTC055R
Mercedes W207 W212 Display Screen Android Navigation Infotainment Unit GTC055R
Promo price
€284.95
€170.97
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 9808786
Mini Paceman R61 Front Right O/S Window Lifter Mechanism Motor Regulator 9808786
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2218700092
Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2118705526
Mercedes W219 Motorola Telephone Control Module DC UHI MOST A2118705526
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 4G8959793J
Audi A6 C7 Door Module Control Unit ECU Front Left N/S 4G8959793J
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 8K0971104Q
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104Q
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9374507
BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. A4159007503
Mercedes Citan W415 Body Control Module Unit BCM ECU A4159007503 284B18276R
Promo price
€237.95
€142.77
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 6927312
BMW E60 E61 E65 E66 Front Seat Module Control Unit 6927312
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9175902
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness 9175887
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A1728200815
Mercedes W204 C207 Centre Console Aux Port Socket Plug Terminal A1728200815
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2079001100
Door Module Mercedes C207 W207 Front Left N/S Control Unit ECU A2079001100
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
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 - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9134666
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9134666
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 8T0959795N
Audi A4 B8 Rear Door Control Module Unit Left Right N/O/S 8T0959795N
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 5A04A04
Mini F54 F55 F56 F60 Telematics Module Bluetooth Control Unit ECU 5A04A04
Promo price
€42.95
€36.51
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6862756
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6862756
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9387624
BMW F20 F21 F30 Sensor Rain Light Solar Condensation 9387624
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 8U0971104E
Audi Q3 8U Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8U0971104E
Promo price
€47.95
€28.77
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 8570659
Wiring BMW X3 F25 N47N Engine Automatic Gearbox Module Wiring Harness 8570659
Promo price
€47.95
€40.76
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
-5%
Part no. 95910-1H050
Kia Ceed Hyundai Air Module Safety Control Unit Ver. 3.3 ECU 95910-1H050
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 9350313
BMW F90 M5 G11 G30 Fuse Box Power Distribution Unit Front Right O/S 9350313
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A1729009302
Mercedes W212 W221 Media Interface Control Unit Module A1729009302
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A6396890279
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890279
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 1J0906381B
Audi TT 8N Fuse Box Relay Control Unit Module 1J0906381B
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. A2479008607
SAM Module Mercedes W177 W247 Front SAM Body Comfort Control Unit A2479008607
Promo price
€89.95
€53.97
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 3424581
BMW X3 Series E83 Airbag Control Unit Module ECU 65773424581 3424581
Promo price
€36.95
€31.41
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. A2135400329
Mercedes X253 Electrical Wiring Harness Cable Hybrid A2135400329
Promo price
€89.95
€53.97
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 038907281B
Audi A6 C6 2.0 TDI Glow Plug Relay Unit Control Module 038907281B
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6970889
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A0025428819-1
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819 Set x2
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 2522564
Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2168204726
Mercedes W221 Bluetooth Control Module Mobile Phone Interface A2168204726
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 4G8959795A
Audi A7 4G8 Door Control Module Electrical Unit ECU Rear Right O/S 4G8959795A
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. A2049005003
Mercedes S204 Estate Fuse Box Rear SAM Module Control Unit A2049005003
Promo price
€51.95
€31.17
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 8W0941824AK
Audi A4 B9 A5 F5 Q5 FY Fuse Box Battery Terminal 8W0941824AK
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2056186000
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186000
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 6821970
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 6821970
€237.95
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 9380938
BMW 2 Series F45 Door Wiring Loom Harness Co-Driver's Passenger's Side 9380938
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 240720782R
Renault Trafic III VIvaro B Wiring Connector Additional Horn Cable 240720782R
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. A2661538479-1
Mercedes W169 A150 Petrol M266.920 95HP Engine ECU Kit A2661538479 Automatic
Promo price
€180.95
€108.57
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2198203626
Mercedes CLS W219 Door Module Rear Right O/S Control Unit A2198203626
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A0045423518
Mercedes ML W164 W204 W211 CLS C219 Acceleration Sensor Module Unit A0045423518
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 6923547
BMW E65 E66 6-fold CD Changer Multichanger Without Magazine 6923547
Promo price
€132.95
€79.77
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9338153
Mini F54 F60 Clubman Countryman Antenna Aerial Amplifier AM / FM Unit 9338153
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A0009828223-1
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9284331-3
Roof Light Mini R55 R56 R60 R61 Operating Control Unit Switch 3455632
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. XS7U-11000-C4A
Ford Focus Mondeo Escort 1.8 Petrol Engine Motor Starter XS7U11000C4A
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. A2749000700
Mercedes W204 C180 BlueEFFICIENCY M274.910 156HP Engine Unit ECU A2749000700
Promo price
€284.95
€170.97
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A9065420044
Mercedes W906 Bracket Mount Fuse Distribution Box A9065420044
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
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 .