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. A2135409616
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A6519000601-5
Mercedes W906 313 CDI OM651 129HP Diesel Engine Control ECU A6519000601 Manual
PLN 569.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8W6971030BF
Audi A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971030BF
Promo price
PLN 284.95
PLN 256.46
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8734748
Telematics Control Unit BMW F20 F31 LCI F32 Module ATM ECE 4G WLAN 8734748
Promo price
PLN 379.95
PLN 265.97
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9314023
MINI Cooper R56 LCI Aerial Antenna Amplifier Diversity Module 9314023
Promo price
PLN 142.95
PLN 135.80
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7928461
BMW G11 G12 G29 G31 G38 Radio Remote Control Receiver Module Unit 7928461
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 4H0907801E
AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9290013
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013
Promo price
PLN 189.95
PLN 170.96
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8K1907115M
Audi A4 B8 A5 8T 1.8 TFSI CDHB 160HP Engine Control ECU 8K1907115M Automatic
PLN 465.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8510281
Engine Wiring BMW F30 F31 F32 F36 330d 430d N57N Loom Harness Cable 8510281
Promo price
PLN 474.95
PLN 427.46
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2078200075
Antenna Mercedes W212 Keyless Go Comfort Access Antenna Module Unit A2078200075
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A1729008500-2
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
Promo price
PLN 427.95
PLN 299.57
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 5A923C4
BMW F40 G20 G21 G30 G31 X3 G01 HiFi Audio Sound Amplifier RAM Module 5A923C4
Promo price
PLN 902.95
PLN 632.07
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2129007124
Mercedes W212 Fuse Box SAM Control Module Unit ECU A2129007124
PLN 142.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9119578
Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578
PLN 47.95
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9128573
BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 1K0906093H
Seat Ibiza 6J 1.2 TSI Petrol Fuel Pump Control Unit Relay 1K0906093H
Promo price
PLN 61.95
PLN 55.76
Free 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
-10%
Part no. 8510221-13
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 Automatic
Promo price
PLN 759.95
PLN 683.96
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9807169
Mini Cooper One R56 R55 R58 R60 R61 Air Module Control Unit ECU 9807169
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2049009614
Mercedes W204 CD Player Radio Navigation Sat Nav Head Unit A2049009614
Promo price
PLN 1,234.95
PLN 864.47
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 7P0907311-1
Volkswagen Touareg 7P 3.0 TDI CASD 204HP Engine Unit ECU Set 7P0907311 Automatic
PLN 2,944.95
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. 7823420
BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420
Promo price
PLN 427.95
PLN 299.57
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A1779008511
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779008511
Promo price
PLN 170.95
PLN 153.86
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9187625
Bluetooth Module BMW E87 LCI E90 Hands Free High MULF2 9187625
PLN 142.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9181455
BMW X1 Series E84 Antenna Aerial Noise Suppression Filter 9181455
Promo price
PLN 46.95
PLN 44.60
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
-5%
Part no. A0005401203
Mercedes GLC 300e X253 Coupe Hybrid Electrical Battery Wire A0005401203
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2048704626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8T0959793F
Door Module Audi A5 8T A4 B8 Control Front Right O/S Unit 8T0959793F
Promo price
PLN 42.95
PLN 40.80
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
-10%
Part no. 5Q0980653G
Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8574091-6
BMW F10 F11 520d N47N 184HP Engine ECU Kit Unit DDE 8574091 CAS4 + Key Manual
Promo price
PLN 712.95
PLN 499.07
Free 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. A2239052400
Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400
PLN 75.95
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. A2389007704
Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
Promo price
PLN 379.95
PLN 341.96
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8506442
BMW E81 E82 E87 LCI E88 123d Petrol N47S 204HP ECU Engine DDE 8506442 Manual
Promo price
PLN 664.95
PLN 465.47
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9335243
Head-Up Display Mini Cooper F54 F55 F56 F57 Hud Project Dash Screen 9335243
Promo price
PLN 949.95
PLN 854.96
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9803844-4
Aerial Roof Antenna Mini Cooper Countryman R58 R60 R61 Base Module 9803844
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9361116
BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9361116
Promo price
PLN 237.95
PLN 166.57
Free 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
-10%
Part no. A0009001705
Mercedes C117 PDC Parking Sensor Control Module Unit ECU A0009001705
Promo price
PLN 265.95
PLN 239.36
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 04L907309R-3
Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual
PLN 569.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 7810980-1
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
PLN 2,279.95
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
-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. 6855558
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6855558
Promo price
PLN 47.95
PLN 45.55
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. 9289590
BMW X5 X6 E70 E71 Antenna Amplifier Module Trap Circuit 9289590
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 7565300-18
BMW Z4 E85 2.0 N46 150HP Engine Module ECU Kit DME 7565300 + EWS + Key Manual
Promo price
PLN 1,234.95
PLN 864.47
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8576333-2
Engine Unit ECU BMW F20 F30 F32 120dX 320dX 420dX N47N 184HP DDE 8576333 Manual
Promo price
PLN 189.95
PLN 132.97
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6968650
BMW 3 Series E93 E93N LCI Aerial Antenna Amplifier FM/AM Right O/S 6968650
Promo price
PLN 47.95
PLN 45.55
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
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
-5%
Part no. 6882780
BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780
Promo price
PLN 61.95
PLN 58.85
Free 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
-30%
Part no. 9890599
BMW F90 M5 G11 G30 Air Module Crash Control Unit 9890599
Promo price
PLN 949.95
PLN 664.97
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 431951253H
Audi TT 8N A4 B5 A6 C5 A8 D2 Relay Control Unit Module 12V 4 Pins 431951253H
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 3455306-1
2 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 8W6907217A
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217A
PLN 142.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 406349
Mini Cooper One R50 R52 R53 iPod Interface Control Unit Module 0406349
Promo price
PLN 75.95
PLN 72.15
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
-5%
Part no. 7604347
BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347
Promo price
PLN 46.95
PLN 44.60
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
-10%
Part no. 7557395-13
Mini Cooper R50 R52 W10 1.6 116HP Petrol Engine Control Unit ECU 7557395 Manual
Promo price
PLN 189.95
PLN 170.96
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9287756
Loudspeaker Centre BMW F25 F15 Central Woofer Audio Speaker 9287756
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8K0959792A
Audi A5 8T Door Control Module Front Left N/S 8K0959792A
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. A4709820700
Mercedes W470 Glow Plug Relay Module Unit A4709820700
PLN 94.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 4H0959107AB
Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AB
Promo price
PLN 284.95
PLN 199.47
Free 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
Part no. 9216286
BMW F20 F21 Socket Plug Wiring Loom Cable 9216286
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 7809196
BMW X3 E83 LCI 2.0d N47 177HP Engine ECU Control Unit Module DDE 7809196 Manual
Promo price
PLN 664.95
PLN 465.47
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 03E906023Q
Skoda Fabia 5J 1.2 CGPA 69HP Engine Control Unit ECU Kit 03E906023Q Manual
Promo price
PLN 379.95
PLN 341.96
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
-5%
Part no. 6960225
BMW E65 E66 E67 Sensor Vehicle Centre Air Control Unit Module 6960225
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 7L5035738
Porsche Cayenne 9PA Rear Door Treble Speaker Audio Unit Right O/S 7E0035411B
PLN 42.95
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
Part no. 99650415100
Porsche Boxster 986 Battery Tray Lower Covering Panel Cap 99650415100
PLN 75.95
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. 7075944-3
BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944
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. 7195197
BMW E88 Convertible Folding Top Roof ECU Module CVM Bracket Holder Mount 7195197
Promo price
PLN 85.95
PLN 81.65
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8T0907468R
Audi A4 B8 Gateway Control Unit Module ECU 8T0907468R
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2649001200
Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200
Promo price
PLN 949.95
PLN 664.97
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9247481
BMW X3 F25 Control Module CAS Unit ECU 20dX Diesel N47N 9247481
Promo price
PLN 427.95
PLN 299.57
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8664661-3
BMW F23 F30 F32 228i 328i 428i N20 184HP Engine Unit ECU DME Kit 8664661 Manual
PLN 1,424.95
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
-10%
Part no. 6842527
BMW G20 Battery Terminal Voltage Distribution Box 400W MID 6842527
Promo price
PLN 132.95
PLN 119.66
Free 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
-30%
Part no. 9199305
KaFAS Camera BMW F10 F11 Rear View Control Unit Module 9199305
Promo price
PLN 189.95
PLN 132.97
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 3D0907539A
VW Volkswagen Phaeton 3D Dashboard Light Sun Solar Sensor Unit 3D0907539A
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 04L906021BQ
Audi A4 B8 Engine Control Unit Module ECU 2.0 TDI CNHC 163HP 04L906021BQ
Promo price
PLN 237.95
PLN 166.57
Free 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
Part no. 197-299-00
BMW F20 F21 DRL Daytime Running Lights Led Module Control Unit PCB 197-299-00
PLN 180.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8582279-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 Keys FEM
Promo price
PLN 949.95
PLN 854.96
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 .