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
Part no. 8693361-2
BMW F87 LCI M2 370HP N55 Engine Control Module Unit ECU DME 8693361 Automatic
€422.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03L906022DH
Audi TT 8J 2.0 TDI 170HP CBBB Quattro Engine Module Unit ECU 03L906022DH Manual
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8J0035223E
Audi TT 8J Coupe Roadster Ultrasonic Sound Control Module ECU Unit 8J0035223E
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 02M911023P
Audi Volkswagen Seat Skoda 2.0 TDI Diesel Starter Motor Engine Bosch 02M911023P
€28.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8J0951177
Audi TT 8J Interior Roof Alarm Motion Ultrasonic Sensor 8J0951177
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A1698209226
Door Control Module Mercedes W169 W245 Relay Unit Right Rear O/S A1698209226
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A1698200611
Mercedes W245 Bluetooth Module Telephone Control Unit A1698200611
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9328591
BMW X6 F16 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9328591
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
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 21
If paid before 14:00
-40%
Part no. A6401500734
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4H0971104S
Audi A8 D4 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 4H0971104S
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8W6971104A
Audi A5 F5 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8W6971104A
€32.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 03L911021G
Audi A4 B8 A5 8T A6 C7 Starter Motor Actuator Bosch Diesel Engine 03L911021G
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 9496815
Front Impact Sensor BMW F70 G05 G14 G15 G29 Safety Crash Module Unit 9496815
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 7700844682A
Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 7928682
Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 059971627D
Audi A6 C7 High Pressure Pump Fuel Line Electrical Wiring Harness 059971627D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2118704626
Driver Seat ECU Mercedes W203 A209 W211 Memory Control Unit Module A2118704626
Promo price
€132.95
€79.77
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8580165
Mini F54 F55 F56 F57 F60 B47 Wiring Harness Engine Glow Plug Module 8580165
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8K0907064FF
Audi A4 S4 B8 Body Control Comfort Unit Module BCM2 Unit ECU 8K0907064FF
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 1308310404
BMW F46 LED Headlight Control Module Unit 1308310404
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A2535402605
Mercedes GLC X253 Rear Bumper Wiring Loom PDC Harness Parking Sensor A2535402605
€66.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8W6971030BF
Audi A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971030BF
€85.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8W6971029BF
Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971029BF
€85.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4H0907182H
Audi A8 D4 4H Front Seat Backrest Control Module Unit ECU 4H0907182H
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 4H0959107AC
Audi A8 4D Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AC
€42.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4H0881073B
Audi A8L 4H Front Seat Air Pump Control Module Unit 4H0881073B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4H0907401M
Audi A8 4H 3.0 TDI CTBA Quattro 258HP Engine Control ECU 4H0907401M
Promo price
€446.95
€268.17
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A2118700726
Mercedes W211 Seat Memory Control Unit Module Front Right O/S A2118700726
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4H0959760D
Audi A8 4D Front Seat Memory Adjustment Module Unit Right O/S 4H0959760D
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2219005404
Mercedes R231 Seat Memory Control Unit Module Front Right A2219005404
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9146714
BMW X3 E83 Z4 E85 E86 Radio Sat Nav Control Unit CD Player Control Unit 9146714
Promo price
€123.95
€105.36
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8572439-3
Engine Control Unit BMW F30 F31 N57N 330d 258HP ECU DDE 8572439 Automatic
€61.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 03G906018DN-2
Audi A3 8P 2.0 TDI 170HP BMN Engine Control Unit ECU 03G906018DN Automatic
€42.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4H0906093G
Audi A8 D4 Diesel Engine Fuel Pump Control Unit Module 12V 4H0906093G
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9459673-1
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 9250421
Promo price
€94.95
€56.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4H0907412
Audi A8 D4 Ambient Lighting Control Module Unit ECU 4H0907412
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03L903017E-1
Audi A4 B8 Avant 2.0 TDI Quattro Alternator Generator 03L903017
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2048709289
Mercedes W204 Right O/S Antenna Amplifier Filter Module A2048709289
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A2118704785
Mercedes W211 Front Seat Memory Control Unit Module Left Right N/O/S A2118704785
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9303543
BMW F20 F30 F31 Fuse Box Electrical Power Distribution 9303543
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A9078209600
Mercedes W907 L2H2 Electric Radio Player Head Unit A9078209600
Promo price
€218.95
€186.11
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A9079002407
Mercedes W907 Electronic Ignition Module Control Unit A9079002407
Promo price
€161.95
€97.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A9079001403
Mercedes Sprinter W907 Module Control Unit Radar Sensor A9079001403
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 3Q0907530AA
Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 5Q0937084AE
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AE
€32.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 1357210
DAF 85CF 85.430 XF 315M Starter Motor 1357210
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2049060405
Mercedes W204 Front Fuse Board Box Relay Unit Case A2049060405
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 9384100
Mini F54 Clubman F60 Countryman KaFAS Camera Windscreen Unit Front 9384100
€42.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 06L971627K
Audi TT FY 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06L971627K
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 5QA919294C
Audi Seat Skoda Volkswagen PDC Parking Sensor Control Unit Module 5QA919294J
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A6399001001
Mercedes W639 PDC Parking Park Sensor Distance Control Module A9064460046
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 3Q0907338C
Audi VW Seat Skoda Headlight Aim Range Control Unit Module ECU Xenon 3Q0907338C
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A6519009302-4
Mercedes W639 116 CDI 651.940 163HP Engine Module ECU Kit A6519009302 Key Lock
Promo price
€427.95
€256.77
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2479005707
Mercedes W177 Front Seat Left N/S Module Control Unit ECU A2479005707
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
€132.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4F0959760
Audi A6 C6 Front Seat Control Memory Module Front Left N/S 4F0959760
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6915047
BMW E46 E39 E38 E83 E53 E85 E86 Control Unit Voice Input System Module 6915047
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9348358
BMW E60 Body Comfort Control Unit DDE Module ECU 9348358
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 5Q0907530Q
Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9196933
BMW E70 E71 Seat Control Unit Module ECU 9196933
Promo price
€51.95
€44.16
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8606306-6
BMW F30 320i N20 184HP ECU Kit Engine Control Unit DME 8606306 Key FEM Automatic
Promo price
€569.95
€341.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4F0959792R
Audi A6 C6 Front Door Left N/S Module Unit Control ECU 4F0959792R
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4L0035225AJ
Audi Q7 4L Radio Aerial Antenna Amplifier AM/FM 4L0035225AJ
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8P4035223B
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223B
Promo price
€132.95
€79.77
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03L906018KD-1
Audi A4 B8 All Road 2.0 TDI CGLC 177HP Quattro Engine ECU Kit 03L906018KD Manual
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03L906018JM-1
Audi Q5 8R 2.0 TDI CGLC Quattro 177HP Engine Control ECU Kit 03L906018JM Manual
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4F7910401L-1
Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 7543157-6
BMW Z4 E85 2.2i M54 170HP Engine Control Module Unit ECU Set 7543157 Manual
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 06H971627
Audi A5 8T 2.0 TFSI Petrol Fuel Injectors Wiring Cable Harness 06H971627
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2761509875
Mercedes W213 W222 A238 M276 Starter Screening Plate Shield A2761509875
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 5Q0971230HH
Audi S3 8V Starter Alternator Wiring Harness 5Q0971230HH
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 02E911024M
Audi A3 8V 2.0 TFSI DJHA Starter Motor 12V 02E911024M
€23.95
Free delivery - Tue, Oct 21
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 21
If paid before 14:00
-15%
Part no. 8K0959793Q
Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793Q
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A0065424220
Mercedes W164 W251 High Tone Horn Signal Right O/S A0065424220
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A1649005001
Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001
Promo price
€626.95
€376.17
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A1648202715
Electrical Wiring Cable Mercedes W164 W251 Radio Media Interface A1648202715
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 03L906018KP
Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic
€146.95
Free delivery - Tue, Oct 21
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 21
If paid before 14:00
-40%
Part no. A2469009512
Multimedia Switch Mercedes X156 C117 W176 CD Player Radio Head Unit A2469009512
Promo price
€146.95
€88.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03L906022JM-1
Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Kit 03L906022JM
Promo price
€146.95
€88.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2709000900-4
Mercedes W176 A45 4Matic M133.980 381HP Engine Control ECU A2709000900 Automatic
Promo price
€569.95
€341.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8T0862335A
Audi A4 B8 Bluetooth Interface Module Control Unit ECU 8T0862335A
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8P0907063AD
Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AD
Promo price
€142.95
€121.51
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8707750
BMW F20 F21 F22 F23 F87 M2 Body Domain Controller BDC Module FEM 8707750
€279.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8K0959795A
Audi A4 B8 Rear Door Module Control Unit ECU Left N/S 8K0959795A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03L906018KJ
Audi A4 B8 A5 8T 2.0 TDI CGLD Engine Control Unit ECU 03L906018JH Manual
Promo price
€94.95
€56.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2469000005
Mercedes W176 PDC Parking Distance Control Module Unit A2469000005
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 7801711-1
BMW X3 E83 2.0d M47N2 Engine Control Unit Module ECU DDE 7801711 Manual
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A2469000012-2
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
Promo price
€170.95
€145.31
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8512415-12
Mini Cooper SD R60 ALL4 N47N 143HP Engine Control Unit ECU DDE 8512415 Automatic
€66.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4F0051510K
Audi Cable Adapter iPod Connection 4F0051510K
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8R0907468F
Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03L906018LB
Audi A6 C7 2.0 TDI CGLC 177HP Engine Control Unit ECU 03L906018LA Automatic
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4G0907468AB
Audi A6 C7 Gateway Module Control Unit ECU 4G0907468AB
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4H0907064BN
Audi A6 C7 Saloon CCM Comfort Control Module Onboard Unit ECU 4H0907064BN
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 21
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 .