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. 1K0909606C
Crash Impact Sensor Volkswagen Golf Audi A4 Q7 A6 C6 Air Module Unit 1K0909606C
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Product currently unavailable

-15%
Part no. 4F0035056B
Audi A6 C6 Head Unit Radio CD Player Control Unit Module 4F0035056B
Promo price
€222.95
€189.51
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8V0035874B
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874B
€237.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4F0959651
Audi A6 C6 Front Impact Sensor Safety Crash Detection Module Unit 4F0959651
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 7H0907655A
Audi TT 8J Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655A
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8K0907063N
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063N
Promo price
€51.95
€44.16
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 5Q0971250N
Audi A3 8V Volkswagen VW Golf Mk7 Negative Cable Ground Wire Harness 5Q0971250N
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 4H0907355D
Audi A7 4G A8L 4H Ad Blue Control Module Unit ECU 4H0907355D
Promo price
€32.95
€28.01
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8E0035411B
Audi A4 B7 Door Speaker Tweeter Front Left Right N/O/S 8E0035411B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 5Q0959593B
Audi A3 8V Door Module Control Unit Front Driver Side 5Q0959593B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4M0959651
Front Crash Impact Audi A4 B9 A5 F5 Air Module Sensor Unit 4M0959651
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8P0919475M
Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
€47.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 7H0907652A
Audi Q7 4L Yaw Rate Speed Sensor Module 7H0907652A
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 5Q0959592E
Audi A3 8V Front Door Module Control Unit Module Right O/S ECU 5Q0959592E
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 5Q0907530AJ
Audi RS3 8V Gateway Control Module GCM Unit ECU 5Q0907530AJ
Promo price
€32.95
€28.01
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8K0959655N
Audi A4 B8 A5 8T Air Module Control Unit ECU 8K0959655N
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8X0907063AB
Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
Promo price
€37.95
€32.26
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 7P0907652
Yaw Sensor Audi Q7 4L Rotation Rate Unit Module 7P0907652
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4F0959793T
Audi Q7 4L Door Module Front Driver's Side Control Unit ECU 4F0959793T
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4F0915519
Volkswagen Polo Touareg Audi A4 A6 A7 A8 Battery Overload Protection 4F0915519
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8K0959655G
Audi A4 B8 Air Module ECU Control Unit Crash Sensor 8K0959655G
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8P0035785
Audi A3 8P MMI Multimedia Interface Unit Module Control ECU 8P0035785
Promo price
€42.95
€36.51
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8T0907468AD
Audi A4 B8 Gateway Interface Control Unit Module ECU 8T0907468AD
€28.95
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8K0959655L
Audi A4 B8 Air Module Control Unit ECU Crash Control 8K0959655L
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8K0907064CC
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064CC
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4F0907637A
Audi A6 C6 Yaw ESP Rate Sensor Module Unit Control ECU 4F0907637A
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4H0907658
Audi A3 8V A5 8T A6 A7 Air Quality Sensor Control Unit 4H09076588
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8K0937517A
Audi A4 B8 A5 8T Battery Postive Terminal Distribution Power Board 8K0937517A
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 03L906022FL
Audi A6 C6 3.0 TDI 233HP Diesel Engine Control Unit ECU Kit Module 03L906022FL
€189.95
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8K0971095E
Audi A4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095E
Promo price
€47.95
€40.76
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 5Q0907530AM
Audi A3 8V VW Passat B8 Gateway Control Unit Module 5Q0907530AM
Promo price
€28.95
€24.61
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8K0959792J
Audi A4 B8 Door Module Front Left N/S Control Unit Module ECU 8K0959792J
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 5Q0959651
Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8K0959792H
Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
€23.95
Free delivery - Fri, Dec 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 - Fri, Dec 19
If paid before 14:00

-5%
Part no. 1K0915181H
Audi A3 8P Negative Cable Battery Terminal Wiring Loom 1K0915181H
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 1K0907530AA
Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
Product currently unavailable

-5%
Part no. 059971627D
Audi A6 C7 High Pressure Pump Fuel Line Electrical Wiring Harness 059971627D
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 06H903016L
Audi A5 8T Engine Alternator Generator 14V 140A Bosch 2.0 TFSI 06H903016L
€37.95
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4F0035411E
Audi TT 8J Speaker Loudspeaker Front Door Left Right N/O/S 4F0035411E
Product currently unavailable

-5%
Part no. 3Q0907338E
Audi S3 8V Front Headlight Lamp Range Control Module ECU 3Q0907338E
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8W0959595H
Audi A5 F5 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595H
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8T0919603E-1
Audi A4 B8 Display Screen Sat Nav Navigation Dashboard 8T0919603E
Promo price
€37.95
€32.26
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4F9971085E
Audi A6 C6 Avant Rear Bumper PDC Wiring Loom Parking Sensor 4F9971085E
€32.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4G0971845A
Audi A6 C7 Fuse Relay Box Sam Control Module 4G0971845A
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 141951253B
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 141951253B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8Y0035465A
Audi Q2 GA Harman Speaker Amplifier Booster Sound System 8Y0035465A
Promo price
€146.95
€124.91
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8V0971104
Audi A3 S3 8V Sportback Wiring Harness PDC Parking Sensor Rear Bumper 8V0971104
Promo price
€37.95
€32.26
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8X0959795C
Audi Q3 8U Door Module Rear Left Door Control Unit 8X0959795C
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 5Q0959592B
Audi A3 8V Door Module Control Unit Front Passenger Side 5Q0959592B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8T0959792G
Audi A4 B8 Front Door Lock System Module Right O/S Control Unit ECU 8T0959792B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4L0910441C
Audi Q7 4L Rear Reversing Camera Module View Control Unit ECU 4L0910441C
€94.95
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4G0907697J
Audi A7 4G A6 C7 Daytime Running Lights DRL LED Headlight Module Unit 4G0907697J
€61.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4H0959651A
Audi A1 A6 A7 Impact Crash Control Sensor Module ECU 4H0959651A
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4F0910655Q
Audi A6 C6 4F Control Unit Air Module ECU Bosch 4F0959655G
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

-40%
Part no. 4H0959760D
Audi A8 4D Front Seat Memory Adjustment Module Unit Right O/S 4H0959760D
Promo price
€56.95
€34.17
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 81A035502
Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
Promo price
€28.95
€24.61
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4H0907637K
Audi A8L 4H Yaw Rate Domain Control Module Unit ECU 4H0907637K
€222.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 5Q0959651B
Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8K0907063M
Audi A4 B8 A5 8T Body Control Comfort Unit Module Unit ECU 8K0907063M
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8W0906093G
Audi A4 B9 A5 F5 Petrol Engine Fuel Pump Control Unit Module 8W0906093G
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8V0971228
Audi RS3 8V 2.5 TFSI Quattro Starter Motor Battery Cable Wiring 8V0971228
€32.95
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8W2035043E
Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043E
€474.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4G8959792G
Audi A6 C7 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 3Q0907530AG
Audi Q2 Q3 F3 1.5 TFSI Gateway Control Unit Module ECU 3Q0907530AG
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4H0907658B
Audi A3 8V A5 A6 A7 Air Quality Sensor Unit 4H0907658B
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8K0959663
Audi A4 B8 A5 8T Voltage Stabilizer Converter Control Unit Module 8K0959663
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8E0907637
Audi A4 B7 YAW Sensor ESP Rotation Rate Acceleration Control Unit 8E0907637
Promo price
€32.95
€28.01
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8V0857273P
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P
€56.95
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8W0915181A
Audi A5 F5 HV Battery Negative Cable Terminal 8W0915181A
Promo price
€28.95
€24.61
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 4E0910217C
Audi Q7 4L Front Camera FAS Lane Assistance Control Unit 4E0910217D
Promo price
€56.95
€48.41
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8E0035111D
Audi TT 8J Radio Head Unit Navi CD DVD Player Changer 8E0035111D
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8H0035411D
Audi A3 8P Door Card Speaker Rear Left Right N/O/S Audio Speaker 8H0035411
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8W0915459E
Audi A4 B9 Battery Positive Terminal Cable Plus Pole Wiring Harness 8W0915459E
Promo price
€28.95
€24.61
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 5Q0919294K
Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8T0959792H
Door Module Audi A5 8T A4 B8 Control Front Left N/S Unit 8T0959792H
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4F0959795P
Audi A6 C6 Rear Left N/S Door Lock Control Module Unit ECU 4F0959795P
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4F0959792T
Audi A6 C6 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4H0907801F
Audi A6 C7 Parking Brake Handbrake Module Control Unit 4H0907801F
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8U0907468Q
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468Q
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8T0907468H
Audi A4 B8 Gateway Interface Control Module Unit ECU 8T0907468H
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8K0959792S
Audi A4 B8 Front Door Control Module Unit ECU Passenger Side 8K0959792S
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8P3907357B
Audi S3 8P Xenon Headlight Range Control Module Unit ECU 8P3907357B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 4F0910289N
Comfort Module Audi A6 S6 RS6 C6 4F Convienience Unit ECU 4F0910289N
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8P0862335S
Audi S3 8P Interface Bluetooth Control Module Harman Becker ECU 8P0862335S
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 4H0919275-DGR
Audi TT 8J PDC Parking Distance Sensor Control Daytona Grey Pearl Z7S 4H0919275
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8K0919475H
Audi A4 B8 A5 8T Parking Distance Control Module Unit ECU 8K0919475H
€23.95
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8A0937530
Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530
Promo price
€32.95
€28.01
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 5QS907338B
Audi A3 S3 8Y Headlight Head Light Lamp Range Control Unit Module ECU 5QS907338B
Product currently unavailable

-5%
Part no. 8K9035225
Audi RS4 B8 Radio Aerial Antenna Amplifier AM/FM 8K9035225
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 8K0971693B
Audi A4 B8 Rear Door Card Harness Wiring Cable Loom Left Right N/O/S 8K0971693B
Promo price
€28.95
€24.61
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 038907281B
Audi A6 C6 2.0 TDI Glow Plug Relay Unit Control Module 038907281B
Promo price
€28.95
€24.61
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8K0959795F
Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795F
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 8X0959793F
Audi A1 8X Front Door Module Unit Control Driver's Side Right O/S 8X0959793F
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

Part no. 8E1971035DF
Audi A4 Door Harness Loom Cable Wiring Front Left Right N/O/S 8E1971035DF
€37.95
Free delivery - Fri, Dec 19
If paid before 14:00

-5%
Part no. 5Q0907357
Audi A3 8V Headlight Head Light Lamp Range Control Unit Module ECU 5Q0907357
Promo price
€23.95
€22.75
Free delivery - Fri, Dec 19
If paid before 14:00

-15%
Part no. 4H0907468AF
Audi A8 D4 Central Diagnostic Getaway PKO Control Unit Module ECU 4H0907468AF
Promo price
€66.95
€56.91
Free delivery - Fri, Dec 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 .