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

-15%
Part no. 8W0907159F
Audi A4 S4 B9 A5 S5 Impact Sound Actuator Control Module 8W0907159F
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 4M0959792H
Audi A5 F5 Door Module Control Unit ECU Front Passenger Side 4M0959792H
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 420919275-1
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

Part no. 4M0907401AM
Audi Q7 4M 3.0TDI DPXB Quattro 218HP Engine Control ECU 4M0907401AM Automatic
PLN 3,229.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8K0959792S
Audi A4 B8 Front Door Control Module Unit ECU Passenger Side 8K0959792S
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 4F0919129C
Audi A8 D4 A6 C6 TV Tuner Digital Video Control Module 4F0919129C
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 191906383C
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 191906383C
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

Part no. 4M0971237S
Audi Q7 4M Q8 Mk1 Battery Negative Cable Wiring Earth Line 4M0971237S
PLN 161.95
Free delivery: Mar 03
If paid before 14:00

Part no. 4H0906093D
Fuel Pump Audi A8 D4 Q7 4L Diesel Control Unit Module 4H0906093D
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

Part no. 4KE907468C
Audi A6 C8 Q7 4M Gateway Interface Control Unit Module ECU 4KE907468C
PLN 949.95
Free delivery: Mar 03
If paid before 14:00

Part no. 4H0971160A
Audi A8 D4 Door Card Wiring Harness Loom Front Passenger Side 4H0971160A
PLN 47.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 8H0951178
Audi A4 B7 Cabrio Alarm Signal Body Control Sensor Module Unit 8H0951178
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 5K0959434B
Audi A1 8X Q3 8U Keyless Access Module Control Unit 5K0959434B
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8W6971030BF
Audi A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971030BF
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

Part no. 8W0907217C
Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

Part no. 3D0909133E
Audi A8 D3 KESSY Keyless Entry Module Control Unit Sensor ECU 3D0909133E
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 4G8971029DQ
Audi A7 4G8 Front Door Harness Wiring Loom Cable Driver's Side 4G8971029DQ
PLN 75.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 420919275-BLM
Audi A5 8T Rear Bumper PDC Parking Distance Sensor Black Magic Pearl - C9Z
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 8D0907539
Audi A3 8L A4 B5 Windscreen Sunlight Sun Light Solar Sensor Unit 8D0907539
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 03L906018JG-1
Audi A5 8T 2.0 TDI CGLC 177HP Diesel Engine Control ECU Kit 03L906018JG Manual
PLN 664.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 5QS915181
Audi A3 S3 8Y Battery Negative Terminal Cable Wire 5QS915181
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 4H0907508
Audi RS6 C7 Acceleration Engine Sensor Module Control Unit ECU 4H0907508
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 4M0959793H
Audi A5 F5 A4 B9 Front Door Control Module Unit ECU Driver's Side 4M0959793H
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8K0959793A
Audi A5 8T Coupe Driver's Door Module Control Unit 8K0959793A
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 1S0919275D-TOG
Audi Q3 8U PDC Parking Distance Control Sensor Tornado Grey-X7P 1S0919275D
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. 4L0941824
Audi R8 42 Spyder Fuse Box Control Unit Module Petrol 4L0941824
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8K0907063DH
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

Part no. 03L911024B
Audi A6 C7 2.0 TDI CGLC Diesel Starter Motor 03L911024B
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 5Q0937615C-1
Audi TT FV Fuse Relay Box Module Electrical Control Unit 5Q0937615C
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8W0959595N
Audi A4 B9 Door Module Rear Right Left N/O/S Control Unit 8W0959595N
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

Part no. 8XA971085C
Audi A1 S1 8X Rear Bumper PDC Parking Sensor Wiring Harness Loom 8XA971085C
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8P3907357B
Audi S3 8P Xenon Headlight Range Control Module Unit ECU 8P3907357B
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 06J903023B
Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B
PLN 189.95
Free delivery: Mar 03
If paid before 14:00

Part no. 8E2971235A
Audi A4 B7 Seat Exeo 3R Battery Negative Terminal Cable 8E2971235A
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8W1959595
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

Part no. 1420000131
Audi A5 S5 F5 Headlight Module LED Headlamp Control Unit 000330028P
PLN 379.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 4G0907355G
Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 8X0971693
Audi A1 8X Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8X0971693
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 420919275-IWH
Audi A4 A5 Q7 Rear Bumper PDC Parking Sensor Ibis White - Y9C 420919275
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8W0419065D
Audi A4 B9 A5 F5 Power Steering Column Control Unit Module 8W0419065D
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 3 – 4
If paid before 14:00

Part no. 4F5035225AJ
Audi A6 C6 Aerial Antenna Amplifier Right O/S FM Booster Unit 4F5035225AJ
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 8V0971104
Audi A3 S3 8V Sportback Wiring Harness PDC Parking Sensor Rear Bumper 8V0971104
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

Part no. 3C0915336A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915336A
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 4G8959795G
Audi A6 C7 Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795G
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8Y0035465
Audi A3 8Y A4 B9 Q5 FY Harman Speaker Amplifier Booster Sound System 8Y0035465
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

Part no. 431951253H
Audi TT 8N A4 B5 A6 C5 A8 D2 Relay Control Unit Module 12V 4 Pins 431951253H
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 03L906018RC-1
Audi Q3 8U 2.0 TDI CFGC Quattro Engine ECU Kit 03L906018RC Ignition + Key Manual
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00

Part no. 4K0941828
Audi A6 C8 Fuse Box Relay Control Unit Module 4K0941828
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

Part no. 4M0959592N
Audi Q7 4M Front Door Module Control Unit ECU Passenger Side 4M0959592N
PLN 189.95
Free delivery: Mar 03
If paid before 14:00

Part no. 130831041000
Audi A5 8T Headlight Inner LED Inner Module Unit 6NHM0000 130831041000
PLN 123.95
Free delivery: Mar 03
If paid before 14:00

Part no. 4G0035061Q-1
Audi A5 8T Q5 8R Head Unit Multimedia Radio Control Unit Module 4G0035061Q
PLN 664.95
Free delivery: Mar 03
If paid before 14:00

Part no. 8K5945094AA-1
Audi A4 B8 Saloon Trunk Lid Tail Light Lamp Wiring Rear Right O/S 8K5945094AA
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 4H0881073B
Audi A8L 4H Front Seat Air Pump Control Module Unit 4H0881073B
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 4F0959792R
Audi A6 C6 Front Door Left N/S Module Unit Control ECU 4F0959792R
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 8V5971687Q
Audi A3 8V Door Wiring Harness Loom Rear Left Right N/O/S 8V5971687Q
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 03L906018LB
Audi A6 C7 2.0 TDI CGLC 177HP Engine Control Unit ECU 03L906018LA Automatic
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

Part no. 4K0919390B
Audi A6 C8 Door Panel LED Module Light Unit Front Right O/S 4K0919390B
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 06E971627M
Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627M
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
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
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 8V0907451
Audi A3 8V Sun Light Solar Sensor Control Detector 8V0907451
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 8V5035225
Audi A3 8V Keyless Entry Amplifier Control Box Module Aerial Antenna 8V5035225
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 4H0907145
Audi A6 C7 Air Suspension Level Height Adjustment Module Control Unit 4H0907145
Promo price
PLN 379.95
PLN 322.96
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8U0907468Q
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468Q
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 4H0035225
Audi A8L 4H Aerial Antenna Amplifier AMP Booster Module 4H0035225
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8T0035223AP
Audi A4 S4 B8 Audio Amplifier Sound Booster Control Unit Module 8T0035223AP
Promo price
PLN 664.95
PLN 398.97
Free delivery: Mar 03
If paid before 14:00

Part no. 1K0937124Q
Audi RS3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124Q
PLN 332.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8P0959655P
Audi A3 8P Air Module Control Unit ECU Module 8P0959655P
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8W0906093F
A4 B9 35 TFSI Fuel Pump Sender Control Relay Module Unit ECU 8W0906093F
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00

Part no. 4M0971727S
Audi Q7 4M Fuel Tank Pump Wiring Loom Harness Cable Pump Plug 4M0971727S
PLN 123.95
Free delivery: Mar 03
If paid before 14:00

Part no. 4G5971030DJ
Audi A6 C7 Front Door Wiring Harness Loom Left N/S Passenger's Side 4G5971030DJ
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 1K0906093G
Audi A1 8X VW Seat Skoda Fuel Pump Control Unit Module 1K0906093G
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8J0035456
Audi S5 8T Antenna Amplifier Aerial Control Module Unit ECU 8J0035456
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 3Q0906121C
Volkswagen VW Crafter SY Fuel Pump Module Control Unit ECU 2.0 TDI 3Q0906121C
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

Part no. 1K2971615A
Audi A3 8P Engine Bay Wiring Holder Harness Loom Cable Guide Bracket 1K2971615A
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 3G0962243C
Volkswagen Seat Skoda Audi Tailgate Module Controller 3G0962243C
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8W1907064BL
Audi A4 B9 Body Control Module BCM Comfort Control Unit Power Supply 8W1907064BL
Promo price
PLN 759.95
PLN 455.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 4B0959643E
Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 4B0959643E
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00

Part no. 8U0971035AL
Audi Q3 8U Door Loom Wiring Harness Cable Front Right O/S 8U0971035AL
PLN 56.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 3Q0905861C
Audi A4 B9 A5 F5 Steering Column Lock Mechanism Control Unit 3Q0905861C
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 5QA919294L
Audi Q2 GA Park Parking Assist PDC Distance Control Unit Module 5QA919294L
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 4H0959793R
Audi A8 D4 4H Front Door Control Module Unit ECU Driver's Side 4H0959793R
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. 4F1941824
Audi Q7 4L Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 03G903139D
Audi A4 B7 Engine Alternator Mount Support Bracket 1.9 2.0 TDI 03G903143D
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 8V5971687E
Audi A3 8V Rear Door Wiring Cable Harness Loom Left Right N/O/S 8V5971687E
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 4H0907412
Audi A8 D4 Ambient Lighting Control Module Unit ECU 4H0907412
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 8W0971553
Audi A4 B9 Front Seat Side Air Module Wiring Harness Loom Cable 8W0971553
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 4H0907801E
AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. 4E0035785D-1
Audi A4 B8 A5 8T MMI Multimedia Interface Control Unit Module 4E0035785D
PLN 522.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8J0035456A
Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

Part no. 03L906022NP-2
Audi A5 8T A4 B8 2.0 TDI CAHA 170HP Engine Control ECU Kit 03L906022NP Manual
PLN 617.95
Free delivery: Mar 03
If paid before 14:00

Part no. 6R0959772A
Audi A1 S1 8X Heated Seat Control Unit Relay Module Unit 6R0959772A
PLN 123.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 83F971104F
Audi Q3 F3 Rear Bumper PDC Wiring Loom Cabling Parking Sensor 83F971104F
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

Part no. 8N0959643A
Audi TT 8J Crash Impact Sensor Unit Air Module 8K0955557C
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 5Q0915181E
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181E
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 8S0035021E
Audi TT FV Mk3 Navi SD GPS MMI Multimedia Head Unit Module 8S0035021E
PLN 2,374.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 4F0903291
Audi A6 C6 3.0 TDI Suppression Condenser Noise Filter 4F0903291
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 8X0907159B
Audi A1 8X Fuel Pump Module Control Unit ECU 8X0907159B
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
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 .