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. 6951368
BMW X5 E70 Amplifier Holder Audio Catch Bracket Trim Panel 6951368
Promo price
PLN 47.95
PLN 45.55
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 6906626
Mini R50 R52 R53 Fuse Box Housing Electrical Power Distribution Box 6906626
PLN 61.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7542529
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
PLN 170.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7534704
Mini Cooper One R50 R52 Kabel Generator Starter Anlasser BOSCH 7534704
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7539787
BMW Mini Cooper R55 R56 R57 R58 Negative Battery Cable 7539787
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 7569969
BMW X5 X6 E70 E71 Control Unit Module Transfer Box 7569969
PLN 284.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0015424623
Mercedes A207 W204 W212 Front Parking PDC Display Panel A0015424623
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 7123326
BMW E65 E66 E67 Rear Seat Headrest Adjustment Actuator Drive 7123326
Promo price
PLN 132.95
PLN 119.66
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0009003101
Mercedes W204 W212 W221 Fuel Pump Module Control Unit A0009003101
Promo price
PLN 123.95
PLN 117.75
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1775402500
Mercedes W177 W247 Battery Cable Negative Lead Terminal Harness A1775402500
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7160897-1
BMW E53 E60 E65 E81 E87 E90 E91 Bulb Holder Turn Indicator 7160897
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 8092206-6
Air Module Wiring BMW F20 F21 F22 F30 F31 Steering Wheel Harness Cable 8092206
PLN 93.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 1K0907530AA
Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9805524-LW
Mini R60 Rear PDC Ultrasonic Parking Sensor Light White 9805524
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2059007705
Module Mercedes C205 Transmission Drivetrain Control Module Unit A2059007705
Promo price
PLN 56.95
PLN 54.10
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9322900
BMW F20 F21 F22 F30 F31 Negative Minus Pole IBS Battery Lead Cable 9322900
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8583657-1
BMW F20 E90 LCI Mini R56 LCI Glow Plug Wiring Wiring Harness Engine Module
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2465411005
Battery Cover Mercedes C117 W176 W246 Box Trim Lid Panel Housing A2465411005
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2124400314
Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9169521
BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9151979
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
Promo price
PLN 142.95
PLN 128.66
Free delivery - Thu, Dec 18
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
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8647841
BMW F45 X1 F48 Mini F55 F56 F57 Integrated Supply Module Z11 8647841
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
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
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6922211
BMW E81 E87 E90 E60 Mini R55 R56 R57 Interior Aerial Comfort Access 6922211
Promo price
PLN 85.95
PLN 81.65
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6964140
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933264
Promo price
PLN 18.95
PLN 18.00
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 4H0951253A
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8366625
BMW 259 259R 259 R22 Connection Plug Relay Pink Tyco 8366625
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A1179001802
Mercedes W176 Air Module Belt Locking System Control Unit Module ECU
Promo price
PLN 113.95
PLN 102.56
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. P0148459-BRG1
Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6971884
BMW X5 X6 Series E70 E71 Front Central Bass Subwoofer Speaker HiFi 6971884
Promo price
PLN 75.95
PLN 72.15
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8K0959754H
Audi A5 8T Remote Button Smart Key Fob Unit 8K0959754H
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0001594942
Mercedes-Benz C-Class W203 M111 Ignition Coil Cable Connector A0001594942
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7527610-5
Mini Cooper One R50 R52 W10 Engine Control Unit DME Manual 7527610
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A9068204126
Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068204126
Promo price
PLN 42.95
PLN 38.66
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0018209326
Mercedes-Benz E CLS Class W211 W219 Crash Sensor Left Right N/O/S A0018209326
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9321022-1
Mini Cooper F55 F56 F57 B+ Junction Terminal Box 300-400 W 9321022
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 0148459-BRG
Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67 0148459
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. A2129000306
Mercedes W212 Fuel Pump Module Control Unit A2129000306
PLN 56.95
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 1489995
Mini Cooper R50 R52 R53 Starter Motor W10 1.6 Petrol Engine 1489995
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 2755704
Genuine BMW Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 3402862
BMW X3 E83 LCi Earth Cable Flow Electric Battery Negative
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9257152
Telematics Bluetooth BMW F10 F20 F22 F30 Combox GPS Control Unit Module 9257152
Promo price
PLN 241.95
PLN 217.76
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2129009505
Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129009505
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2038270642
Mercedes-Benz CLC-Class CL203 Antenna Amplifier Rear Right O/S A2038270642
Promo price
PLN 85.95
PLN 81.65
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8583657
Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A0061514101
Starter Motor Mercedes W164 OM642 Diesel Engine Starter Actuator A0061514101
Promo price
PLN 142.95
PLN 128.66
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8574102
BMW F20 F21 F30 F31 F32 Starter Motor Engine Actuator N47N Diesel 8574102
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. X3E83REARWIRINGLOOMPDC
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7570254
Plus Cable BMW X1 E81 E87 E90 E91 N45 N46 Alternator Starter Wiring 7570254
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6850375-1
Speed Cluster Sensor BMW E87 LCI 130i E90 M3 E92 Yaw Rotary Rate Sensor 6850375
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2038200189
Mercedes C CLK Class W203 W209 Antenna Amplifier Radio Left N/S A2038200189
Promo price
PLN 84.95
PLN 80.70
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 6956020
BMW MINI Cooper Cabrio Convertible R52 Rear Bumper PDC Cables Wiring Loom Set
Promo price
PLN 66.95
PLN 60.26
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9126106
BMW Mini R55 R56 R57 Cabrio Adapter Lead Outside Temperature Sensor 9126106
Promo price
PLN 28.95
PLN 27.50
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. N000000004325
Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325
Promo price
PLN 56.95
PLN 54.10
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2129009729
Mercedes W176 W207 W212 Keyless Door Lock Module ECU Unit A2129009729
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7522284-1
Mini Cooper One R50 R52 W10 1 Battery Cable Plus Pole 7522284
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A0009006713
PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713
Promo price
PLN 142.95
PLN 128.66
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7640508-2
BMW 1 3 4 Series F20 F21 F30 F31 F32 F33 Cooling Fan Control Unit Radiator
PLN 84.95
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. A2049006301
Mercedes W204 Rear SAM Module Fuse Box Control Unit A2049006301
Promo price
PLN 142.95
PLN 100.07
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7570287
BMW Mini Cooper One R55 R56 R57 Earth Ground Battery Strap Cable 7570287
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A9079053907
Mercedes Sprinter W907 W910 Battery Sensor Cable Negative Terminal A9079053907
Promo price
PLN 75.95
PLN 72.15
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 5J0035411C
Skoda Fabia 5J Front Door Bass Loudspeaker Left Right N/O/S 5J0035411C
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1686103436
Mercedes-Benz A-Class W168 Battery Clamp Holder A1686103436
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0015425918-ALB
Mercedes W202 C208 W208 W220 Parking Distance Sensor PDC Almandine Black
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6946106
BMW 7 E65 E66 Passenger Seat Airbag Sensor Control Unit Module 6946106 6970899
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9326204
BMW X3 F25 B+ Distribution Box Battery Power Front Control Unit Point 9227458
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6967184-1
BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0055461240
Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 7492026-1
Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
PLN 379.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7218339
Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump ECU 7218339
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2048702789
Aerial Antenna Amplifier Mercedes W204 Estate Left N/S Booster Unit A2048702789
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9127088
BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8600358
BMW F20 F30 LCI MINI F55 F56 Integrated Relay Supply Module 8600358
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2465400508
Battery Cable Mercedes C117 W176 W246 Alternator Wiring Harness A2465400508
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2118201526
Mercedes S211 Rear Door Control Module Left N/S A2118201526
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0045423918
Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918
Promo price
PLN 75.95
PLN 72.15
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. A1718200626
Mercedes R171 SLK200 Module Front Door Right O/S Control Module Unit A1718200626
PLN 237.95
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. A9079001705
Mercedes Sprinter B907 Ignition Control Module Keyless A9079001705
Promo price
PLN 427.95
PLN 299.57
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. P0148459-IB1
Mini Cooper One 1 R50 Fuel Filler Cover Fill In Flap Indi Blue Metallic 862
Promo price
PLN 37.95
PLN 36.05
Delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 7641659
Engine Wiring BMW F10 F20 F30 N20 125i 328i 528i N20 Harness Module 7641659
Promo price
PLN 427.95
PLN 299.57
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 4H0959655H
Audi A7 4G8 Air Module Control Unit ECU SRS Module Unit 4H0959655H
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9312294
BMW Mini F54 F55 F56 F57 F60 Battery Clamping Clam Rail 9312294
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8570442
Engine Wiring BMW F25 F26 2.0dX B47 Loom Module Harness Cable Automatic 8570442
Promo price
PLN 94.95
PLN 90.20
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9172019
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module 9172019
Promo price
PLN 18.95
PLN 18.00
Delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 9266350
BMW F01 F02 HiFi System Amplifier Harman Becker Audio Booster 9266350
Promo price
PLN 142.95
PLN 100.07
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0025428819
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819
Promo price
PLN 37.95
PLN 36.05
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9110621
BMW 3 Series E90 E92 LCI Suppression Filter for Antenna 9110621 652 9110621
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 1T0971235A
Volkswagen Golf MK5 6 Audi A3 8P Negative Battery Terminal Cable 1T0971235A
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6G9T-14B192-CA
Ford Fiesta Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-CA
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9270050
PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Sophisto Grey 9270050
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 9252636
BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
PLN 693.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A9079004105
Air Module Mercedes Sprinter W907 W910 Control Module ECU A9079004105
Promo price
PLN 332.95
PLN 299.66
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8612576
BMW X1 F30 F31 LCI Starter Motor Engine 8612576
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0035420819
Mercedes W176 W205 W213 W242 W447 W907 Relay 4-Pin Black Tyco Unit A0035420819
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 8K0959795C
Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A2129003704
Parking Module Mercedes W207 W212 PDC Distance Control Unit Sensor A2129003704
Promo price
PLN 42.95
PLN 38.66
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9351155
Control Panel BMW X3 F25 X4 F26 Radio Player High Audio Unit Module 9208591
Promo price
PLN 237.95
PLN 214.16
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9131643
BMW E87 E90 E92 Seat Wiring Cable Front Right O/S Heating Loom Harness 9131643
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
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 .