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. 7621178-4
BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
€85.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9264571
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359264571 9264571
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2115452647
Bracket Mount Mercedes W211 W219 Control Unit Module SAM Holder A2115452647
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8619095
BMW i3 I01 Hybrid Electric Earth Ground Cable Negative Battery Lead 8619095
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6794618
EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2135409916
Earth Ground Cable Mercedes W213 S213 Battery Wiring Loom Engine A2135409916
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1693000204-2
Accelerator Sensor Mercedes W169 W245 YAW Rate Control Unit Module A1693000204
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9342080
BMW Mini Cooper F55 F56 F57 F60 Telematics Control Unit Module 2622390
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7810863
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 7810863
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7811232
BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7316186
BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
Promo price
€75.95
€64.56
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6922720
BMW X5 E38 E39 E46 E53 GPS Navigation System Computer Unit 6922720
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9257038
BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374
Promo price
€77.95
€46.77
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6927312-1
Seat Module BMW E60 E61 E65 E66 Front Seat Control Unit Module ECU 6927312
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A0009061505
Mercedes W212 W213 W205 W218 Positive Battery Tray Clamp A0009061505
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0009007604
Adblue Module Mercedes W205 W213 W177 W907 SCR Control Unit EGR ECU A0009007604
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2079004400
Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7286050
BMW F20 Control Unit Module Wing Mirror Power Fold 7286050
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0009003310
Mercedes W205 W213 Fuel Pump Module Control Unit ECU A0009003310
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2135452840
Mercedes W213 ECU Bracket Control Unit Module Holder Mount A2135452840
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2139003208
Mercedes W213 SAM Module Rear Body Comfort Control Unit ECU A2139003208
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 7290727
Battery Cover BMW X1 F48 X2 F39 Mini Countryman F60 Upper Panel 7290727
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2139001909
Mercedes W213 Ambient Lighting Control Unit Module ECU A2139001909
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2135400200
Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6915327-1
BMW E46 E60 E81 E87 E90 E91 F10 F20 F30 2x Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8373700-3
BMW E60 E63 E87 E90 E91 5X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8373700-2
BMW E60 E63 E87 E90 E91 4X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2135406200
Fuse Box Mercedes W213 S213 W238 Rear Electrical Control Unit Module A2135406200
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2139007105
Air Module Mercedes W213 S213 W238 SRS Control Unit ECU A2139007105
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8373700-1
BMW E60 E63 E87 E90 E91 2X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 1388911-3
BMW E36 E38 E85 Mini R52 R57 5x Change-Over Contact Relay Violet Set 1388911
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A0009056001
Battery Cable Mercedes W213 S213 Negative Lead Wiring Harness A0009056001
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 1388911-2
BMW E36 E38 E85 Mini R52 R57 4x Change-Over Contact Relay Violet Set 1388911
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 1388911-1
BMW E36 E38 E85 Mini R52 R57 2x Change-Over Contact Relay Violet Set 1388911
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2059067200
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8661071
BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8661071
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9359799
BMW i3 I01 F10 F20 F30 LCI KaFAS Camera Speed Control ECU Module Unit 9359799
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A2135452040
Mercedes W213 Head Unit Bracket Control Unit Module Holder Mount A2135452040
€23.95
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7464634
BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2048706826
Mercedes W204 ECU Control Unit Sensor Module Airbag A2048706826
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2135451140
ECU Bracket Mercedes W213 Control Unit Module Holder Mount A2135451140
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9381114
BMW F20 F21 F30 F31 F32 Mini F56 F57 Seat Control Unit Module Heating 9381114
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9270035
Antenna Aerial Amplifier Mini F55 F56 F60 Rear AM/FM DAB 9270035
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2045402610
Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2139062202
Mercedes W213 W222 Fuse Box Rear Electrical Fuse Unit Module A2139062202
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2129060105
Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129060105
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. E88 Wiring Loom Set PDC Rear
BMW E88 Cabrio Wiring Loom Set PDC Rear Complete Harness Parking Sensor
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9231320
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 9231320
Promo price
€89.95
€76.46
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A2118275542
Mercedes W169 W211 6 Disc CD Changer Player Glove Box A2118275542
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2048704626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8511958
Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9290621
BMW F33 F83 M4 Convertible Top Phone Antenna Aerial Module CTM Unit 9290621
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2219009903
Mercedes-Benz S-Class W221 Rear Door N/O/S Control Unit Module A2219009903
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. A6079002300-1
Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A1669056001
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
€32.95
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. A2711534591-1
Mercedes W203 C180 Kompressor M271 Engine Module ECU Kit A2711534591 Key Lock
Promo price
€279.95
€167.97
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9382417
BMW 1 2 3 5 F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Module 9382417
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9377150
BMW 1 Series F20 Bluetooth Control Module Unit TCB ECE 9377150
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. A2139005311
Mercedes W213 Head Unit CD Media Player Audio Auto Radio Controller A2139005311
Promo price
€170.95
€102.57
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2465402605
Mercedes-Benz A B W176 W246 Engine Temperature Sensor Wiring Cable Harness
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-15%
Part no. A1569007702
Signal Actuation Module Mercedes W176 W246 SAM Control Unit ECU A1569007702
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A1698202675
Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
€61.95
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-15%
Part no. A1728202100
USB Interface Mercedes W176 W207 W246 Multimedia Adapter Connector A1728202100
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6793163
BMW X5 E70 Suspension Module Self Leveling Air Supply Control Unit 6793163
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2075451740
Mercedes-Benz A207 W207 Cabrio Control Unit Module Bracket Holder A2075451740
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6860936
BMW i3 I01 F45 F46 Control Unit SAS Module ECU 6860936
Promo price
€232.95
€198.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9210860
BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9210863
BMW X3 F25 Fuse Box Power Distribution Module Relay Unit 9210863
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 3456952-1
Mini Cooper R60 Footwell Light Module High EKS PL3 FRM3R Lear 3456952
Promo price
€123.95
€105.36
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. A2139068701
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A2078202910
Seat Control Module Mercedes A207 W207 Cabrio Rear Control Unit ECU A2078202910
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2038207385
Mercedes W203 ECU Control Unit Crash Impact Sensor Module Air Module A2038207385
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 7542310-7
Mini Cooper R50 W10 Petrol Engine Control Unit Module ECU DME 7542310 Manual
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 7561834
BMW 1 3 E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Manual
€189.95
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9281068
Antenna Receiver BMW F33 F83 M4 Convertible Aerial DAB Unit 9281068
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9289587
BMW 2 X1 Series F45 F48 Radio Antenna Amplifier Suppression Filter 9289587
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6835155
BMW 1 2 3 Series F40 F44 G20 Radio Antenna Amplifier Suppression Filter 6835155
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6864206
Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 6935645
BMW Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6935645
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2115405535
Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115405535
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 1421295
Mini EGS Control Unit Module ECU Programmed 5 Pins 1421295
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9861558-1
Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 9861558
Promo price
€42.95
€36.51
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0045468540
Mercedes W221 Distributor Box Block Control Unit Relay A0045468540
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9276096
BMW 5 6 7 Series F01 F10 F13 Antenna Aeral Amplifier Diversity 868 MHZ 9276096
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9231175
Diversity Antenna Amplifier BMW F30 F32 Rear Window DAB Module Unit 9231175
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9231174
BMW 3 4 F30 F32 Touring Amplifier Rear Window Antenna Diversity 9231174
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1668201089
Mercedes W176 Radio Aerial Antenna Amplifier Booster Unit Module A1668201089
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2198203526
Mercedes CLS W219 Door Module Rear Left N/S Control Unit A2198203526
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2198202426
Mercedes CLS W219 Door Module Front Right O/S Control Unit A2198202426
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9367376
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2219000804
Parking Module Mercedes W221 W216 Sensor PDC Distance Control Unit A2219000804
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8512043
BMW 3 E90 E91 LCI 316d 318d N47N Engine Basic DDE 8512043 Control Unit Manual
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6997612
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 6997612
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 .