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. A1698207526-1
Mercedes W169 W245 Door Control Unit Left N/S Rear A1698207526
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 7928461
BMW G11 G12 G29 G31 G38 Radio Remote Control Receiver Module Unit 7928461
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1697220180
Mercedes-Benz A-Class W169 Door Plug Cover Trim Insert Blank Seal A1697220180
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 5B48520
Head Unit BMW F40 F44 Radio Player Navigation Control Module Alpine 5A291C5
€379.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2479007708
Rain Sensor Mercedes C118 W177 W247 Front Windscreen Light Unit A2479007708
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8P0907115AP-1
Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key 8P0907115AP Manual
Promo price
€379.95
€227.97
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8D0951253
Audi Q7 4L Relay Unit Module 4 Pins 8D0951253
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A0009001705
Mercedes C117 PDC Parking Sensor Control Module Unit ECU A0009001705
€61.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 5Q0915181H
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9240946
MINI R55 R56 R57 LCI R60 R61 Cover Power Distribution Fuse Box 9240946
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8385157-1
BMW X3 3 Series E46 E83 LCI 1 Start Point Housing Bracket Base B 8385157
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 402110362
BMW E60 E63 E87 E90 Starter Motor Diesel Engine Actuator RTX 402110362
€75.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8589168
Alternator Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589168
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9228914
Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914
Promo price
€284.95
€170.97
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2059003222
Door Module Mercedes W205 W253 Control Unit Module Front Right O/S A2059003222
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. GTC055R
Mercedes W207 W212 Display Screen Android Navigation Infotainment Unit GTC055R
Promo price
€284.95
€170.97
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8P0907357F
Audi S4 B7 Headlight Head Light Lamp Range Control Unit Module ECU 8P0907357F
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6922666
BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A2205404208
Mercedes W220 Rear PDC Parking Sensor Wiring Loom A2205404208
€28.95
Free delivery - Wed, Oct 15
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 - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2115456532
SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A0009061004
Mercedes W213 C238 C257 Parking Brake Actuator Motor A0009061004
€56.95
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 9805075680
Citroen Relay Peugeot Boxer III Engine Glow Plugs Wiring Harness 9805075680
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6926433
BMW 1 3 Series E87 E90 E91 Mini R56 R57 Seat Control Unit Module Heating 6926433
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A1644400937
Mercedes ML W164 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1644400937
€56.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8639595-9
BMW F30 320iX N20 163HP Engine Unit ECU Kit DME 8639595 FEM + Key Automatic
Promo price
€474.95
€284.97
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8576341-10
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual
€132.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2045407435
Earth Ground Cable Mercedes W204 C207 W212 Line Strap Battery Lead A2045407435
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A4479060400
Mercedes W447 Fuse Relay Box Module Control Unit A4479060400
Promo price
€61.95
€37.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6934030
BMW 7 Series E65 E66 Wiring Loom Harness Right O/S Front Door 6934028
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A1779005104
Mercedes W177 Ambient Lighting Control Module Unit ECU A1779005104
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9226880
BMW F20 F21 Radio Aerial Antenna Amplifier AM/FM Control Unit Module 9226880
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8369504
BMW 5 E39 Saloon Radio Signal Antenna Amplifier Coaxial Cable 8369504
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8E0951253
Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9286236
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A0025467940
Receptacle Housing Mercedes W164 W203 W639 Dashboard Wiring Harness A0025467940
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8595865
Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
Promo price
€89.95
€76.46
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A1729060105
Mercedes SLK R172 Rear Fuse Box SAM Relay Control Unit Module A1729060105
Promo price
€89.95
€53.97
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8579480-1
BMW F20 120d F30 320d F10 520d N47N 184HP Engine Control Unit DDE 8579480 Manual
€113.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 059903143K
Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8636068
Engine Wiring BMW F20 120i F30 320i 330i LCI B48 Cable Loom Harness 8636068
Promo price
€51.95
€31.17
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2054404136
Mercedes W205 Battery Lead Wiring Loom Cable Hybrid Cable Harness A2054404136
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2134400200
Mercedes GLC 300e X253 Electric Drive Ground Earth Line Wire A2134400200
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8482365
BMW G20 Installation Cable Wiring Loom 8482365
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A0045423918
Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A1679008405
Mercedes Sprinter W907 W910 Front Door Module Control Unit Left N/S A1679008405
€132.95
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8T0959792Q
Audi A5 8T Front Door Control Module Passenger Side 8T0959792Q
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6751504
Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8618444
BMW F30 LCI 330e B48X Cell Module Connector 8618444 61278618444
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8580059
Mini F56 F60 BMW F40 F39 Diesel B37 Battery Starter Alternator Wiring 8580059
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2129010700
Mercedes W212 ECU Control Unit Sensor Module Airbag A2129010700
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0025428819
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 3404975
BMW X3 Series E83 E83N LCI Solar Sun Light Sensor 3404975
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8578946-3
BMW F20 F30 F32 120d 320d 420d 184HP N47N Engine ECU Kit DDE 8578946 Automatic
€142.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2229007109
SAM Module Mercedes C205 GLC X253 Coupe Rear Control Unit A2229007109
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 4L0959793B
Audi Q7 4L Front Door Module Driver Right O/S Side Control Unit 4L0959793B
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9226901
Body Control Module BMW F01 ECU Junction Box PL6 JBBFE III 3 Lear 9226901
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9229972
Module BMW Z4 E89 Convertible Cabrio ECU Control Unit Controller 9229972
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 5WA962133E
Volkswagen Golf 5G Keyless Entry Module Aerial Antenna 5WA962133E
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1729056500
Mercedes-Benz A B Class W176 W246 Aerial Antenna Cable A1729056500
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 4H0907801H
Parking Brake Module Audi A6 C7 A7 4G A8 4H Handbrake Control Unit 4H0907801H
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9313992
BMW F13 Front Seat Control Module Unit ECU Left Right N/O/S 9313992
Promo price
€51.95
€31.17
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8P0907063AD
Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AD
Promo price
€142.95
€121.51
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 6857208
Parking Distance Assistant BMW 20 F21 F30 F31 F36 Control Unit Module 6857208
Promo price
€42.95
€36.51
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0035421019
Relay Mercedes C117 GLA X156 ML W166 W176 W246 5 Pins Yellow A0035421019
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 6G9210E887EE
Land Rover Freelander 2 Navigation Nav Reader DVD CD Control Unit 6G9210E887EE
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A6398201689
Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689
Promo price
€284.95
€170.97
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0005400664
Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A0005400664
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8632687
BMW i3 I01 Engine Motor Sensors Module Wiring Cable Wire Harness 8632687
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8602123
BMW i3 I01 Hybrid Electric Earth Ground Cable Line Strap Battery Lead 8602123
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8510221-1
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€132.95
€79.77
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6925942
BMW E60 E61 Cable Loom Door Wiring Harness 6925942
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2188200187
Mercedes W221 Multimedia Interface USB Adapter Port Socket A2188200187
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 5QS919298
Audi A3 S3 8Y VW Caddy SB Mk4 Parking Sensor Module Control Unit 5QS919298
Promo price
€161.95
€137.66
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9387145
BMW F30 LCI 330e B48X Negative Earth Cable Battery 9387145
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 7811176
Wiring BMW X3 F25 Automatic Gearbox Module Engine Wiring Harness 7811176
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 06L971627K
Audi TT FY 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06L971627K
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2049057501
Mercedes W204 W212 Dashboard Light Sun Solar Sensor Unit A2049057501
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0009828223
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9140942-BAR
BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 9270392-2
BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2059067200-1
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 6807322
Positive Cable BMW F90 M5 G30 Battery Wire Lead Underfloor Wiring 6807323
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6945387
BMW X3 X5 Series E53 E83 E87 Hands-free Electronics Charging Module MULF 6945387
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 7115655-LMB
BMW X3 E60 E61 E83 Front PDC Parking Distance Sensor Le Mans Blau - 381
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8483814
BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6882780
BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 03L906018DT-1
Audi TT 8J 2.0 TDI 170HP CFGB Engine ECU Unit Kit 03L906018DT Manual
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8K0971228B
Audi A5 8T Battery Starter Alternator Harness Wiring Cable 8K0971228B
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8715685
BMW F40 Mini F55 F56 Mid Range Sound Speaker Front Door Stereo 8715685
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2229000013
Door Module Mercedes W205 X253 Front Door Right O/S Control Unit A2229000013
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2044401705
Mercedes S204 Door Wiring Loom Cable Rear Left Right N/O/S A2044401705
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A2749062100
Starter Motor Mercedes W213 C238 C253 Engine A2749062100
€37.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2139062202
Mercedes W213 W222 Fuse Box Rear Electrical Fuse Unit Module A2139062202
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 918545-102
BMW F11 Wiring Cable Loom 918545-102 767832-113
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A6519007401-2
Mercedes W204 C250CDI Blue Efficiency OM651.911 204HP Engine ECU A6519007401 Key
Promo price
€189.95
€113.97
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A1729058200
Mercedes W204 W207 W212 W221 Humidity Temperature Sensor Unit A1729058200
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A6519007500-17
Mercedes C207 E220 CDI OM651.911 BE Engine Unit Module ECU A6519007500 Automatic
€28.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2115402105
Battery Cable Mercedes W211 Starter Alternator Wiring Harness A2115402105
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
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 .