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
-40%
Part no. A9075409482
Fuse Box Mercedes Sprinter W907 Prefuse Box Module Relay Holder A9075409482
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8512499-1
BMW E81 E87 E90 E91 LCI N47 143HP Diesel ECU Kit DDE 8512499 Manual
Promo price
€132.95
€79.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6931507
BMW E60 E61 E63 E87 E90 E91 F10 Diagnosis Interface Most 6931507
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6943585
BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9317872
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784
Promo price
€42.95
€36.51
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6917544
Mini Cooper R50 R53 Rear PDC Ultrasonic Parking Sensor Pepper White - 850
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7533100
Mini Cooper One R50 Petrol W10 Engine Wiring Loom Harness Module 7533100
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6864208
BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A6512012009
Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9145102
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC 9145102
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9811224
Mini Cooper One R55 R56 R57 Airbag ECU Control Unit Module 9811224
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K0959793D
Audi A4 B8 A5 S5 8T Door Module Control Unit Front Left N/S 8K0959793D
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 04E907309AC-1
Audi A1 8X 1.4 TFSI CZCA 125HP Engine ECU Kit BCM Lock + Key 04E907309AC Manual
Promo price
€161.95
€97.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7237647
BMW E90 LCI F01 F10 F11 F20 F21 Control Unit Xenon Light 7237647
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8517874
BMW F20 F21 F30 116d 316d Diesel N47N Engine Control Unit ECU DDE 8517874 Manual
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6864898
BMW F20 F21 F30 F31 Parking Assistant Control Unit Module 6864898
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 5A41CA2
Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2
Promo price
€237.95
€202.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A9065400041
Mercedes Sprinter W906 Battery Cable Negative Lead Wiring Harness A9065400041
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9244144
BMW E82 E88 E92 E93 LCI Accelerating Sensor 9244144
Promo price
€51.95
€44.16
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9117877
BMW F20 F21 F30 F31 F32 F33 Negative Minus Pole IBS Battery Lead Cable 9117877
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0045467740
Mercedes W447 Drive Train Sensor Can Distributor A0045467740
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2139008430
Mercedes W910 Gearbox Control Module A2139008430
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8E0959643B
Audi A4 B7 Crash Impact Airbag Sensor Unit Module 8E0959643B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7823706
Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8570238
BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 8570238
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6982394
BMW E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982394
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7428425
LED Module BMW F20 F21 LCI Headlight Front Lamp Headlamp 7428425
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9162930-WB
BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7850995
Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9809354
Mini R55 R56 R60 R61 Air Module ECU Control Unit Module 9809354
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 2753721
Mini R55 R56 Electric Window Lifter Actuator Motor Door Left N/S 2753721
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8620771
BMW F20 F21 F30 F32 N55 Power Distribution Module Bracket Cover Carrier 8620771
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2118700110
Mercedes W219 Hood Bonnet Light Solar Sensor Module A2118700110
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
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
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8571905
BMW F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8506566-2
BMW E90 E91 LCI 320d ed N47N 163HP ECU DDE 8506566 Manual Transmition
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7520019
Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Automatic
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2469012504
Mercedes W176 W246 Rain Sensor Light Control Unit Front Windscreen A2469012504
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2059004521
Door Module Mercedes W205 GLC C253 Rear Left N/S Control Unit ECU A2059004521
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1715400506
Mercedes SLK R171 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1715400506
Promo price
€42.95
€36.51
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8X0915181
Audi A4 B8 A5 8T TT Mk2 Negative Battery Terminal Cable Lead 8X0915181
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6950093
BMW X5 Series E70 Flat Cable Wiring Wire CAS Start Stop 6950093
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9133177
BMW X3 E83 Z4 E85 DVD Player GPS Navi Head System Computer Unit 9133177
€94.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9248361
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9248361
Promo price
€123.95
€105.36
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. A2129003614
Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129003614
Promo price
€118.95
€71.37
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8793254
Door Wiring BMW X3 G01 F97 X4 G02 F98 Cable Harness Rear Left Right N/O/S
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A9069006503
Door Module Mercedes W906 Front Left Right N/O/S Control Unit ECU A9069006503
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8U0959655B
Audi Q3 8U Air Module Control Unit SRS System ECU 8U0959655B
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9257009
BMW F01 F10 CIC Professional Unit Sat Nav Infotainment DAB Radio Player 9257009
Promo price
€284.95
€242.21
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 411033
iPod Most Interface BMW E60 E65 E81 E87 E90 Module Alpine 0411033
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2218707526
Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7790996
Mini One D R50 W17 Base B+ Battery Terminal Point Engine Compartment 7790996
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9325656
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9325656
Promo price
€75.95
€64.56
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9213373
Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9389068
Fuse Box BMW F20 F21 F30 F31 F34 Power Distribution Front 9389068
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8489325
BMW i3 I01 94Ah Rex Hybrid Basic Control Unit Module ECU 8489325
Promo price
€51.95
€31.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A2035409213
Mercedes W203 Door Wiring Harness Front Left Right N/O/S Wiring Loom A2035409213
Promo price
€27.95
€26.55
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9217912
BMW E82 E90 LCI Trunk Shelf Left Right Speaker Tweeter Harman Kardon 9217912
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8321087
BMW 5 SERIES E60 ELECTRIC SEAT Height Adjust 0390203234 8321087
Promo price
€24.95
€23.70
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6949229
Mini R52 Cabrio Convertible DWA Rear Door Alarm System Module Unit 6949229
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6841692
BMW F20 Head Unit Navigation GPS Sat Nav Infotainment DAB High F10 F30 6841692
€569.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9350336
BMW F06 F12 F13 F80 Mini F56 Radio CD Player Head Unit 9395949
Promo price
€75.95
€64.56
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6958526-1
BMW 5 X5 X6 Series 1 E60 E61 E70 E71 F10 F11 Seat Adjustment Switch Right O/S
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9153418-1
BMW 5 Series F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9357988
Head Unit BMW F30 F31 F32 Radio Professional CD Player Control Module 9357988
€94.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 4H0907145
Audi A6 C7 Air Suspension Level Height Adjustment Module Control Unit 4H0907145
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 4E0910563C
Audi S8 D3 Digital Radio DAB Tuner Receiver Module Kenwood 4E0035583C
Promo price
€42.95
€25.77
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8P0971148
Audi A3 8P Tailgate Heated Rear Window Wiring Harness Loom 8P0971148
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 5P0035225A
Seat Leon 1P Altea Antenna Amplifier Booster 5P0035225A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6C0919603A
VW Volkswagen Polo Mk5 6R Radio Multimedia Display Navigation Unit 6C0919603A
€142.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9878660
BMW F40 F44 Battery Terminal Negative Minus Cable Wiring IBS 9878660
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8P0907063A
Audi A3 8P BCM Body Control Unit Comfort Module 8P0907063A
Promo price
€94.95
€80.71
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4F0959793R
Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793R
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2075403332
Convertible Cable Mercedes A207 C207 Roof Rail Wiring Harness A2075403332
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1765405508
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405508
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A2079057501
Mercedes E-Class W207 Cabrio A207 ITS Camera Control Unit Module ECU
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9116543
PDC Control Unit BMW E46 Z4 E85 Mini R50 R53 Parking Unit Module 9116543
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7608801
Valve Cable BMW F20 F21 F30 F31 Petrol N13 Valve Tronic Wiring Harness 7608801
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A0009822112
Energy Distributor Mercedes W205 W238 Power Control Unit Module A0009822112
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8383551
Mini R50 R53 Headlight Aim Range Control Unit Module ECU Xenon 8383551
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6932644
BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9113355
BMW E87N E90 E91 Mini Cooper R56 DC/DC Torque Converter Wandler 9113355
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 3428336
Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3428336
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6918567
BMW 7 Series E65 E66 E67 Seat Control Unit Module Heating 6918567
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8368210
BMW E46 Antenna Amplifier TV Aerial Control Module Unit 8368210
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. A1635402333
Mercedes-Benz M ML W163 Centre Console Wiring Harness Cable Loom A1635402333
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6950525
BMW 3 6 Series E63 E64 E93 DWA Alarm System Module Unit 65756950525 6950525
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9291964
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9291964
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K0907539
Audi A5 S5 8T Dashboard Sunlight Solar Sun Sensor 8K0907539
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4G8959793G
Audi RS6 C7 Front Door Module Driver's Side Control Unit ECU 4G8959793G
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9360501
Mini F54 F55 F56 F57 F60 Rear Electric Power Distribution Fuse Box 9360501
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. BK2T-19L540-AE
Ford Transit Custom Mk8 Door Wiring Loom Harness Left N/S BK2T-19L540-AE
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. A1729002301
Mercedes SLK R172 Door Control Unit Module Front Left N/S A1729002301
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9153136
BMW F01 F02 F03 LCI Holder Bracket Control Telematics Unit 9153136
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4E0941285G
Audi S8 D3 Front Headlight Level Control Sensor Left N/S 4E0941285G
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 1438941
BMW X5 E53 Ground Cable Alternator Petrol 1438941
€23.95
Free delivery: Feb 16 – 19
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 .