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. 1S0919275D-MOG
Audi Q3 8U PDC Parking Distance Control Sensor Monsoon Grey Metallic - X7R
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 06N971627B
Audi A3 8Y Engine Injector Module Wiring Harness Cable 2.0 TFSI 06N971627B
€47.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. A0009062103
Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103
€113.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 059903019N
Audi A5 8T Alternator Generator Electrical Unit 150A 14V 3.0 TDI 059903019N
€94.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 06K903023G
Audi TT FV Engine Alternator Generator Electric 14V 150A 2.0 TFSI 06K903023G
€284.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. A6541500800
Mercedes W177 W213 Engine Wiring Harness Loom E220d Diesel A6541500800
€37.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 3Q0959651A
Seat Leon Mk3 5F Deployment Crash Impact Sensor Front Centre 3Q0959651A
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 4H0951253-1
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit Set 4H0951253
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 6792626
BMW Z4 E89 EMF Module Parking Rear Brake Unit Electric Control 6792626
€165.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 8S0971104
Audi TT FY Rear Bumper PDC Cables Set Wiring Loom Harness 8S0971104
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5G0971095A
VW Volkswagen Golf Mk7 Wiring Loom PDC Front Harness Parking Sensor 5G0971095A
€61.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5F4971194A
Seat Leon 5F Rear Bumper Wiring Loom PDC Harness Parking Sensor 5F4971194A
€28.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 2225618
Ford Transit Custom Mk1 Engine Starter Motor 2.0 EcoBlue GK2T-11000-AB
€66.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. A6541592200
Mercedes X253 Engine Wiring Cable Cover Duct Bracket Channel OM654 A6541592200
€42.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5Q0971230AQ
Seat Leon 5F VW Golf Mk7 Alternator Wiring Harness Loom Cable 5Q0971230AQ
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 1K8971104S
Volkswagen Scirocco Mk3 Rear Number Plate Wiring Harness Cable Loom 1K8971104S
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 03E971612AC
VW Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 CGPA Petrol 03F971612
€94.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 06E911021D
Audi S5 8T A6 C7 Engine Starter Motor 3.0 TFSI Petrol CGWC 06E911021D
€42.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. A2189009003
Mercedes CLS C218 Front Headlight Xenon Ballast Control Module Unit A2189009003
€66.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5Q4959593K
Seat Ateca Door Module Control Unit Front Driver's Side Door 5Q4959593K
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 4F1941824
Audi Q7 4L Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 4F1941824B
Audi Q7 4L Fuse Box Control Module Connector Plug 4F1941824B
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5Q0907530AL
Audi A3 8V VW Golf 5G Central Gateway Control Unit Module Relay ECU 5Q0907530AL
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 9231283-AZB
BMW E70 F10 F11 PDC Parking Sensor Ultrasonic Sensor Azurit Black - S34 9231283
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 8571084
BMW F20 F21 F30 LCI Wiring Injector Loom Harness Cable Module B47 Engine 8571084
€151.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 06J971082D
Audi Q3 8U Engine Injector Module Wiring Harness Cable 2.0 TFSI 06J971082E
€28.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5F4035225B
Seat Leon Mk3 Antenna Amplifier Module FM Right O/S Aerial Booster 5F4035225B
€42.95
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 8K0971104C
Audi A4 B8 Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104C
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. A2075406010-1
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
Promo price
€66.95
€56.91
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 02E911023T
Seat Leon 5F Engine Starter Motor 2.0 TDI Diesel 02E911023T
Promo price
€32.95
€28.01
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 7611322
BMW F01 F02 F06 F07 F10 F11 F12 Positive Cable Battery Lead N55 Engine 7611322
Promo price
€32.95
€28.01
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 7605076
BMW F06 F10 F11 F12 F13 Wiring Harness Cable Engine Ignition Module N55 7605076
Promo price
€75.95
€64.56
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 6826985
BMW F22 F23 F30 F34 LCI Control Unit Air Module ECU 6826985
€28.95
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 4H0959795E
Audi A8 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795E
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. A2229002009
Mercedes W205 W222 Door Module Control Unit Rear Left N/S A2229002009
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. A2229001909
Mercedes W205 W222 Door Module Front Right O/S Control Unit ECU A2229001909
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. A2229002109
Mercedes W205 W222 Door Module Control Unit Rear Right O/S A2229002109
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 5Q4959593B
Seat Leon Mk3 5F Door Module Control Unit Front Driver's Side Door 5Q4959593B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. A2229001809
Mercedes W205 W222 Door Module Front Left N/S Control Unit ECU A2229001809
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 7N0959794K
VW Sharan 7N Rear Door Module Control Unit Left N/S Passenger Side 7N0959794K
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 3T1T-14301-AF
Ford Transit Connect Negative Battery Terminal Cable Wiring 3T1T-14301-AF
Promo price
€32.95
€28.01
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 9199389
BMW Z4 E89 Radio CD Player Head Unit BMW Professional 9199389
€75.95
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 8T0971365C
Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365C
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 4H0971365J
Audi A8 D4 Seat Cable Front Left Right N/O/S Seatbelt Warning Wiring 4H0971365J
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 2100493N
Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 2100493N
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 9131643
BMW E87 E90 E92 Seat Wiring Cable Front Right O/S Heating Loom Harness 9131643
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 4G8971365
Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
Promo price
€28.95
€24.61
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
Promo price
€32.95
€28.01
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 7948144
BMW F40 F44 Seat Occupancy Mat Control Unit Sensor 7948144
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 6C1T-14A076-CC
Ford Transit Mk7 Fuse Box Upper Cover Unit Housing Lid Trim Cap 6C1T-14A076-CC
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 8Y0035465
Audi A3 8Y A4 B9 Q5 FY Harman Speaker Amplifier Booster Sound System 8Y0035465
Promo price
€47.95
€40.76
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. A6511504133
Mercedes W204 W212 Engine Wiring Diesel Harness Loom Cable E250 CDI A6511504633
Promo price
€94.95
€80.71
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 9139868-1
BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Black 9139868
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 06L903018H
Audi A4 B9 A5 F5 Alternator Generator Valeo 2.0 TFSI DDWA 06L903018H
Promo price
€142.95
€121.51
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 6977982-3
Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 4X 6977982
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 6977982-2
Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 2X 6977982
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 4H0907247
Audi A6 4G Keyless Entry Aerial Antenna Control Unit Module 4H0907247
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5F4035225
Seat Leon Mk3 Antenna Amplifier Module AM/FM Left N/S Aerial Booster 5F4035225
€42.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 6919113-1
BMW E81 E82 E87 E88 E90 E91 E92 E93 F10 F11 F12 Black Relays 5 Pin Set 6919113
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. A0131545602
Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
Promo price
€94.95
€80.71
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 3B0035711B
Seat Leon Mk3 5F Hands Free Microphone Module Speaker Wiring Loom 3B0035711B
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 4H0959760F
Audi A8 D4 Front Seat Backrest Adjustment Module Left Right N/O/S 4H0959760F
€66.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 3C0937125A-1
VW Volkswagen Tiguan 5N Passat B7 Engine Bay Fuse Relay Box Terminal 3C0937125A
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. A6519007500-26
Mercedes W204 W212 C220CDI 170HP OM651.911 Engine Control ECU A6519007500 Manual
€56.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. B67824524
Mercedes W164 Media Interface Connection Cable MI AUX Wiring B67824524
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 8T0959792K
Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792K
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 03L903017E
Audi A4 B8 A5 8T Q5 8R Quattro Alternator Generator 2.0 TDI 03L903017
Promo price
€56.95
€48.41
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 7115655-LMB
BMW X3 E60 E61 E83 Front PDC Parking Distance Sensor Le Mans Blau - 381
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. GK2T-9K499-ABB
Ford Transit Custom Engine Fuse Box Wiring Loom Harness Cable GK2T9K499ABB
€113.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 2522564
Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 1K0971349BP
Volkswagen Golf Mk6 Alternator Main Cable Wiring Harness Loom 1K0971349BP
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 8K0951253-1
Audi VW Volkswagen Seat Relay 643 Unit Module 4 Pins Set X2 8K0951253
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 1384487080
Citroen Relay 35L III Battery Negative Earth Lead Harness Diesel 1384487080
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 2Q0971537AN
Volkswagen Polo Mk6 AW Battery Negative Cable Wiring Earth Line 2Q0971537AN
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5G0035222A
Volkswagen Golf Mk7 Media In Port Socket Connection Adapter 5G0035222A 5Q0035736
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 04E903021M
Skoda Rapid NH1 1.4 TSI Petrol Alternator Generator Bosch 04E903021M
Promo price
€37.95
€32.26
Free delivery - Fri, Dec 05
If paid before 14:00
-5%
Part no. 8046454
BMW E81 E82 E87 E90 PDC Ultrasonic Sensor Front Rear Melbourne Red - A75 8046453
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 3AF971104L
Volkswagen Passat B7 PDC sensor Wiring Loom Harness Cable Rear Bumper 3AF971104L
Promo price
€42.95
€36.51
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 2G0971104C
Volkswagen Polo Mk6 PDC Sensor Wiring Loom Harness Cable Rear Bumper 2G0971104C
Promo price
€42.95
€36.51
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 9383694
BMW F10 Footwell Light Module Control Unit ECU TEMIC 9383694
€66.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 4L0971767
Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 7L0937503
Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503
Promo price
€56.95
€48.41
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 8W6907217A
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217A
€37.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5G0971104D
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104D
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 7L0937401
Volkswagen Touareg 7L Positive Cable Battery Point Box Jump Unit 7L0937401
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 5Q0955547C
Skoda Octavia Fabia Mk3 VW Polo Mk6 Rain Sensor Control Unit Module 5Q0955547C
€28.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 7P0959651
Porsche Cayenne 92A Front Pressure Crash Impact Sensor 7P0959651
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 2191045
Ford Transit Connect Glow Plug Wiring Loom Cable Wire 1.5 TDCi Diesel 2191045
Promo price
€28.95
€24.61
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 7PP959663E-1
Porsche Cayenne 92A VW Touareg 7P Voltage Stabilizer Control Module 7PP959663E
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 7P5971694D
Porsche Cayenne 92A Rear Door Wiring Harness Loom Cable Right O/S 7P5971694D
€28.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. V23134-J59-X431
Mazda 6 GJ TYCO Relay Black Unit Module 4 Pin 12V V23134-J59-X431
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. A4155401005
Mercedes Citan W415 Renault Kangoo Front Door Wiring Loom Left N/S 8200809160
€37.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. PEO118811
Mazda 6 GJ Relay 4-Pin Electrical Unit Multi-Purpose Relay Black ACVN51212
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. KD45-57KC0
Mazda 6 GJ Impact Crash Sensor Control Unit Module KD45-57KC0
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 3D0941329B
Volkswagen Passat B7 Headlight Cornering Module Control Unit 3D0941329B
€51.95
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 9T16-14B296-AA
Ford Transit Connect Yaw Sensor ESP Rotation Rate Control Unit 9T16-14B296-AA
€51.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. 8W0971687BR
Audi A4 B9 Rear Right O/S Door Wiring Loom Harness 8W0971687BR
Promo price
€56.95
€48.41
Free delivery - Fri, Dec 05
If paid before 14:00
Part no. 9261580-GSB
BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic SET x2 Glacier Silber - A83
€23.95
Free delivery - Fri, Dec 05
If paid before 14:00
-15%
Part no. A2129014606-1
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
Promo price
€80.95
€68.81
Free delivery - Fri, Dec 05
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 .