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. 6977066
BMW X5 E70 Door Cable Harness Wiring 6977066 6937277
PLN 61.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8605456
Engine Wiring BMW F21 F30 LCI F36 N20 Loom Module Harness Cable 8605456
Promo price
PLN 180.95
PLN 162.86
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. AT1T-15T850-AA
Ford Transit Connect PDC Parking Aid Warning Control Module Unit AT1T-15T850-AA
Promo price
PLN 100.95
PLN 95.90
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. F20 F30 PLUG SOCKET LOOM PDC
PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness
Promo price
PLN 95.95
PLN 91.15
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9166897
Audio Amplifier HiFi BMW E87 E90 Top Sound System Control Unit 9177752
PLN 1,899.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 3D0035110
Volkswagen VW Phaeton 3D GP0 CD Changer 6-Disc Multichanger 3D0035110
PLN 142.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8656997
BMW X5 F15 X6 F16 Ground Cable Negative Battery Lead Wire 8656997
PLN 94.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2579005100
Mercedes Sprinter W907 Telematics Services Communication Module A2579005100
Promo price
PLN 474.95
PLN 332.47
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8621839
BMW F20 F21 F30 LCI G30 B38 B48 Starter Motor Engine Petrol 8621839
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2055463100
Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100
Promo price
PLN 85.95
PLN 81.65
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2129004106
Door Module Mercedes W212 Rear Left N/S Control Unit A2129004106
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1668210351
Mercedes-Benz A CLA C117 W176 Airbag Impact Crash Sensor A1668210351
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1635402333
Mercedes-Benz M ML W163 Centre Console Wiring Harness Cable Loom A1635402333
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 7P6919475
Volkswagen Touareg 7P PDC Parking Distance Control Module 7P6919475
PLN 123.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 4H0915181F
Audi A8L 4H Negative Battery Cable Lead 4H0915181F
Promo price
PLN 351.95
PLN 246.37
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
PLN 474.95
PLN 332.47
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 5A4A1E1
Kafas Camera BMW G20 G30 G28 G80 F40 F44 Front Assist Camera Module 5A4A1E1
Promo price
PLN 712.95
PLN 499.07
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. GV6T14A073DF
Ford Transit Connect Mk2 II Fuse Box Body Control Module GV6T14A073DF
Promo price
PLN 161.95
PLN 145.76
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9283529
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283529
Promo price
PLN 664.95
PLN 598.46
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A0003427200
Mercedes EQA350 H243 4matic Electric Voltage Converter Module A0003427200
Promo price
PLN 1,614.95
PLN 1,130.47
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1765405608
Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6974631
BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor
Promo price
PLN 37.95
PLN 36.05
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 1722094
Battery Cable BMW E36 E46 M43 M57 Starter Alternator Wiring Harness 1722094
Promo price
PLN 94.95
PLN 85.46
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A1698700689-2
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
PLN 100.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9362445
BMW F20 F21 F22 Audio Amplifier Harman Kardon Active Sound Design Unit 9362445
PLN 379.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 7L5971095J
Porsche Cayenne 9PA Front Bumper PDC Park Sensor Wiring Harness 7L5971095J
PLN 237.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9835622
BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
Promo price
PLN 332.95
PLN 299.66
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9319918
Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1728208710
Mercedes W176 W246 Roof Towing Alarm Sensor Switch Module A1728208710
Promo price
PLN 46.95
PLN 44.60
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9282285
BMW X3 F25 Central Gateway Module Control Unit ECU 9282285
Promo price
PLN 94.95
PLN 66.47
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9270490
BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 7619136
BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136
Promo price
PLN 237.95
PLN 166.57
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 4M0907590D
Audi S5 F5 Blind Spot Radar Distance Control Module Left N/S Slave 4M0907590D
PLN 664.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2055408040
Mercedes W205 Front Door Electric Wiring Harness Loom Cable Left N/S A2055408040
PLN 94.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A9078209400
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit A9078209400
Promo price
PLN 427.95
PLN 385.16
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9252812
BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812
Promo price
PLN 66.95
PLN 46.87
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8K0937517B
Audi RS4 B8 Positive Battery Distribution Terminal Junction Relay Box 8K0937517B
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9X2Q9A361CA
Range Rover L320 Sport Rear Fuel Pump Control Unit Bracket Holder 9X2Q9A361CA
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9240077
BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9240077
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9114215
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A1669003602
Mercedes W204 R172 DAB Receiver Digital Audio Control Unit Module A1669003602
Promo price
PLN 379.95
PLN 265.97
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2118700726
Mercedes W211 Seat Memory Control Unit Module Front Right O/S A2118700726
Promo price
PLN 118.95
PLN 107.06
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8513157
Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8573260-1
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8573260 Manual
Promo price
PLN 360.95
PLN 252.67
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 6824117G
Mini F60 Hybrid High Voltage Battery Wiring Loom Harness 6824117G
PLN 123.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2049006009
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049006009
PLN 569.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6958414
BMW E60 E61 Alarm System Unit Ultra Sonic Module 9149673
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9259581
BMW X3 F25 Map Card Fuse Box Grouping Diagram 9259581
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 1508927
Mini Cooper S R52 R53 Positive Battery Cable Lead Wire Cable B 1508927
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0038202826
Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 899543000
Porsche Boxster 986 A/C Air Conditioning Relay Control 12V 10A 899543000
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A0009002308
Mercedes W447 W906 Adblue Module Exhaust Gas Control Unit ECU A0009002308
Promo price
PLN 189.95
PLN 170.96
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9311113
Mini R55 R56 R57 LCI R60 R61 Navigation Head Unit CHAMP 2 Sat Nav DAB 9311113
PLN 712.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A9079001403
Mercedes Sprinter W907 Module Control Unit Radar Sensor A9079001403
Promo price
PLN 949.95
PLN 664.97
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A6519007500-26
Mercedes W204 W212 C220CDI 170HP OM651.911 Engine Control ECU A6519007500 Manual
PLN 237.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9286365
BMW X1 X2 Series F39 F48 Antenne AM Antenna Amplifier Cable 9286365
Promo price
PLN 66.95
PLN 63.60
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 4B0951173
Audi A3 8L A4 B5 A6 C5 Alarm Control Module Unit ECU 4B0951173
PLN 61.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A1775408101
Mercedes W177 W243 W247 Door Wiring Cable Harness Loom Driver Side A1775408101
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2229004220
Mercedes GLC X253 Communication Module LTE Telephone Bluetooth A2229004220
Promo price
PLN 664.95
PLN 465.47
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1725403405
Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 382327
Ultrasonic Module Mini Countryman Paceman R60 R61 Alarm System Sensor 0382327
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 9497858
Mini Countryman F60 Wiring Cable Loom Adapter Excitement THL 9497858
PLN 127.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8K0907064DP
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
Promo price
PLN 66.95
PLN 60.26
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 4F7910401L-1
Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L
Promo price
PLN 1,187.95
PLN 831.57
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9216286
BMW F20 F21 Socket Plug Wiring Loom Cable 9216286
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6949229-1
2 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9350336
BMW F06 F12 F13 F80 Mini F56 Radio CD Player Head Unit 9395949
Promo price
PLN 237.95
PLN 214.16
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2711508033
Mercedes W204 Engine Wiring Harness Cable Loom A2711508033
Promo price
PLN 1,234.95
PLN 864.47
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9370431
BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431
Promo price
PLN 189.95
PLN 132.97
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 6825538
Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
Promo price
PLN 379.95
PLN 265.97
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 4G5907468K
Audi A6 C7 Gateway Interface Electrical Control Unit Module ECU 4G5907468K
PLN 712.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 03E971612AC
VW Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 CGPA Petrol 03F971612
PLN 379.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9210857
BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
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
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9122276
BMW 5 Series E60 E61 LCI Rear Bumper PDC Cables Wiring Loom Set 9122276
Promo price
PLN 75.95
PLN 72.15
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 5J0919506
Seat Ibiza 6J 1.2 TSI CBZB Radiator Fan Relay Module Control Unit ECU 5J0919506
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8W0906093F
A4 B9 35 TFSI Fuel Pump Sender Control Relay Module Unit ECU 8W0906093F
Promo price
PLN 142.95
PLN 100.07
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2469000012-2
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
Promo price
PLN 712.95
PLN 641.66
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A1779005505
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779005505
Promo price
PLN 61.95
PLN 55.76
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8573257-9
BMW F20 F30 F32 120d 320d 420d Diesel N47N 163HP Engine ECU DDE 8573257 Manual
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9252550
BMW F10 F12 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9252550
PLN 379.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 4L0971767
Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1698702210
Mercedes-Benz A B W169 W245 Tow Protection Switch Button Control Unit Module
Promo price
PLN 37.95
PLN 36.05
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8474730
BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 190HP ECU DDE 8474730 Automatic
Promo price
PLN 1,424.95
PLN 1,282.46
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A0038207426
Mercedes W221 Door Module Control Unit Rear Right O/S A0038207426
PLN 61.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 2758980
BMW Mini Cooper R58 R59 Bracket Safety Belt Front Right O/S 2758980
Promo price
PLN 37.95
PLN 36.05
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 5A323C8
BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8
Promo price
PLN 75.95
PLN 72.15
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9264573-1
BMW E81 ECU Body Control Module Unit Junction Box H2 PL2 RR JBBFE 9264573
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2219004003
Steering Wheel Angle Mercedes C216 W221 Sensor Control Unit Module A2219004003
Promo price
PLN 474.95
PLN 427.46
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2218207502
Mercedes W221 Front Centre Dashboard Speaker Logic 7 A2218207502
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 7L5035884E
Porsche Cayenne 9PA MMI Multimedia Navigation Control Head Unit 7L5035884E
PLN 949.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 04L907309R-2
Audi A3 8V 1.6 TDI 110HP DBKA Engine ECU 04L907309R Manual
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 3Q0959354A
Seat Leon Mk3 Door Crash Impact Sensor Front Left Right N/O/S 3Q0959354A
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8067511
BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511
Promo price
PLN 75.95
PLN 72.15
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9240524-1
BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
Promo price
PLN 237.95
PLN 166.57
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9317872
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784
Promo price
PLN 170.95
PLN 153.86
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8513250-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS4 Key Automatic
PLN 854.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1669006507
Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
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 .