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. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8P0959655P
Audi A3 8P Air Module Control Unit ECU Module 8P0959655P
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
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: Jun 17 – 22
If paid before 14:00
Part no. 04L903017A
Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A
€61.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 7L0971225
Audi Q7 4L 4.2 TDI Quattro Positive HV Battery Terminal Cable Harness 7L0971225
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8E0959651A
Audi A4 B7 Front Crash Impact Air Module Sensor Unit Module 8E0959651A
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 03L903023L
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023L
€47.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 1K0915333H
Audi A3 8P Battery Box Tray Housing Holder Bracket Cover Mount 1K0915333H
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 4L0959651
Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
€47.95
Free delivery: Jun 17 – 22
If paid before 14:00
-40%
Part no. 8V0857273N
Audi A3 8V Head Up Navigation Multimedia Screen Display Unit 8V0857273N
Promo price
€42.95
€25.77
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8T0959793G
Audi A4 B8 Door Module Front Left N/S Control Unit ECU 8T0959793G
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8E0959655G
Air Module Audi A4 B6 B7 ECU Control Unit Crash Sensor Air 8E0959655G
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8T1035223A
Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
€85.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 5Q0915181H
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8E0959643B
Audi A4 B7 Crash Impact Airbag Sensor Unit Module 8E0959643B
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 5Q0971228K
Audi A3 8V 1.5 TFSI DPCA Positive Battery Cable Lead Clamp Wire Loom 5Q0971228K
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 8T0907468AD
Audi A4 B8 Gateway Interface Control Unit Module ECU 8T0907468AD
Promo price
€28.95
€24.61
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 4L0035382B
Audi Q7 4L Boot Trunk Subwoofer Rear Bass Speaker 4L0035382B
€37.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8T0907468R
Audi A4 B8 Gateway Control Unit Module ECU 8T0907468R
€23.95
Free delivery: Jun 17 – 22
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: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8K0959795C
Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8X0959792K
Audi Q3 8U Front Door Module Control Unit ECU Passenger Side 8X0959792H
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 5Q0907530AF
Volkswagen Seat Skoda Audi Gateway Control Unit Module ECU 5Q0907530AF
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 4M0959651
Front Crash Impact Audi A4 B9 A5 F5 Air Module Sensor Unit 4M0959651
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8K0959793E
Audi A4 B8 Door Module Front Drive Side Control Unit ECU 8K0959793E
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8T0907468F
Audi A5 8T Gateway Control Module Unit ECU 8T0907468F
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 06L971627A
Audi S1 8X S3 8V VW Golf R Mk7 2.0 TFSI Fuel Injectors Wiring Harness 06L971627A
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 038907281B
Audi A6 C6 2.0 TDI Glow Plug Relay Unit Control Module 038907281B
€28.95
Free delivery: Jun 17 – 22
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: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8T0959795N
Audi A4 B8 Rear Door Control Module Unit Left Right N/O/S 8T0959795N
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8S0963553D
Volkswagen Skoda Seat Audi Seat Pressure Sensor Front Passenger Side 8S0963553D
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 4K0906121C
Fuel Pump Control Audi A4 B9 A5 F5 A6 C8 Pump Unit Module ECU 4K0906121C
Promo price
€28.95
€24.61
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 1K0909606C
Crash Impact Sensor Volkswagen Golf Audi A4 Q7 A6 C6 Air Module Unit 1K0909606C
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 4M0959793H
Audi A5 F5 A4 B9 Front Door Control Module Unit ECU Driver's Side 4M0959793H
€28.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8U0907468AC
Audi A1 8X Q3 8U Central Gateway Control Unit Module Relay ECU 8U0907468AC
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 4M0959792H
Audi A5 F5 Door Module Control Unit ECU Front Passenger Side 4M0959792H
€42.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8X0959793K
Audi A1 8X Door Module Front Right O/S Driver's Side Control Unit ECU 8X0959793K
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 059906627L
Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
Promo price
€32.95
€28.01
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8W6907217A
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217A
€37.95
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 4G0906093F
Audi A6 C7 Fuel Pump Control Unit Module 4G0906093F
Promo price
€28.95
€24.61
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 7M0951253A
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 7M0951253A
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8P0959655S
Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655S
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 5Q0907530P
Audi A3 8V Gateway Control Module Unit ECU 5Q0907530P
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
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: Jun 17 – 22
If paid before 14:00
-15%
Part no. 06H971627
Audi A5 8T 2.0 TFSI Petrol Fuel Injectors Wiring Cable Harness 06H971627
Promo price
€32.95
€28.01
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 7L0864643B
Battery Cover Audi Q7 4L VW Touareg 7P Porsche Cayenne 9PA Top Cap 7L0864643B
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8K0907801N
Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 4F0971235
Audi A6 C6 Negative Battery Terminal Cable Wiring 4F0971235
€23.95
Free delivery: Jun 17 – 22
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: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8K0959792H
Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 06A903143P
Audi TT 8N Alternator Bracket Mount Holder 06A903143P
€28.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8J0915459
Audi A4 B8 A5 8T TT MK2 Positive Battery Terminal Cable Overload Fuse 8J0915459
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
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: Jun 17 – 22
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: Jun 17 – 22
If paid before 14:00
-40%
Part no. 04E907309AC-1
Audi A1 8X 1.4 TFSI CZCA 125HP Engine ECU Kit BCM Lock + Key 04E907309AC Manual
Promo price
€161.95
€97.17
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 8V0035874B
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874B
Promo price
€237.95
€202.26
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
€32.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 5Q0971230FP
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8X0915181
Audi A4 B8 A5 8T TT Mk2 Negative Battery Terminal Cable Lead 8X0915181
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 059903016JX
Audi A5 8T 3.0 TDI CCWA Diesel Alternator 059903016J
€56.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8D0951253A
Audi A6 C6 Multi Use Relay Unit Module 4 Pins 373 8D0951253A
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 1K0907530AA
Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 4H0907145
Audi A6 C7 Air Suspension Level Height Adjustment Module Control Unit 4H0907145
Promo price
€28.95
€24.61
Free delivery: Jun 17 – 22
If paid before 14:00
-40%
Part no. 4E0910563C
Audi S8 D3 Digital Radio DAB Tuner Receiver Module Kenwood 4E0035583C
Promo price
€42.95
€25.77
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8P0971148
Audi A3 8P Tailgate Heated Rear Window Wiring Harness Loom 8P0971148
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-40%
Part no. 8P0907063A
Audi A3 8P BCM Body Control Unit Comfort Module 8P0907063A
Promo price
€94.95
€56.97
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 8T8971688L
Audi A5 S5 8T Door Wiring Loom Harness Cable Rear Right O/S 8T8971688L
Promo price
€28.95
€24.61
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 8W0971228AM
Audi A4 B9 A5 F5 Wiring Set Starter Alternator Earth Lead 2.0 TDI 8W0971228AM
Promo price
€28.95
€24.61
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8K0907539
Audi A5 S5 8T Dashboard Sunlight Solar Sun Sensor 8K0907539
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 4G8959793G
Audi RS6 C7 Front Door Module Driver's Side Control Unit ECU 4G8959793G
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 4E0941285G
Audi S8 D3 Front Headlight Level Control Sensor Left N/S 4E0941285G
Promo price
€32.95
€28.01
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 4G0035736-1
Audi A6 Allroad Avant A7 4G8 RS6 USB Charging Socket Aux Connection 4G0035736
Promo price
€94.95
€80.71
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8K0971104AF
Audi A5 8T 5 Door Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104AF
€23.95
Free delivery: Jun 17 – 22
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
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 03L906018JJ
Audi A4 B8 A5 8T 2.0 TDI 177HP Engine Control Module ECU 03L906018JJ Automatic
Promo price
€51.95
€44.16
Free delivery: Jun 17 – 22
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: Jun 17 – 22
If paid before 14:00
Part no. 4H0909131
Audi A8L 4H Ignition Keyless Entry Reader Coil Module 4H0909131
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8P4971693T
Audi A3 8P Door Wiring Harness Loom Cables Rear Left Right N/O/S 8P4971693T
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8R0971035AM
Audi Q5 8R Door Wiring Loom Harness Electrical Cable Driver's Side 8R0971035AM
€32.95
Free delivery: Jun 17 – 22
If paid before 14:00
-40%
Part no. 5QA919294L
Audi Q2 GA Park Parking Assist PDC Distance Control Unit Module 5QA919294L
Promo price
€47.95
€28.77
Free delivery: Jun 17 – 22
If paid before 14:00
-40%
Part no. 5QS907338B
Audi A3 S3 8Y Headlight Head Light Lamp Range Control Unit Module ECU 5QS907338B
Promo price
€94.95
€56.97
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 5Q0937084AE
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AE
Promo price
€32.95
€28.01
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 4K0971727
Audi A6 C8 Pressure Sensor Wiring Loom Harness Cable 4K0971727
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 4L0907355B-1
Audi Q5 8R Adblue Metering Control Module Unit ECU 4L0907355B
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 8T0907566B
Audi A4 B8 Blind Spot Radar Sensor Control Module Rear Right O/S 8T0907566B
€75.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 3Q0941329
Volkswagen Skoda Seat Audi Diesel Engine Adblue Module Control Unit 3Q0941329
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 8T0971365
Audi A4 B8 Seat Occupancy Belt Alarm Wire Wiring Cable Loom Harness 8T0971365
Promo price
€37.95
€32.26
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 8K0907063AJ
Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063AJ
Promo price
€61.95
€52.66
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 02Z911023R
Audi A3 8P VW Golf 5k Starter Motor 1.4 TFSI CAXC Petrol 02Z911023R 0001142003
€37.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 8W0959592E
Audi A4 B9 Front Door Control Module Unit Passenger Side ECU 8W0959592E
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-40%
Part no. 05L907309
Audi A4 B9 A5 F5 30 TDI DTNB 136HP Engine Control Unit ECU 05L907309 Automatic
Promo price
€284.95
€170.97
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 03L906018KP
Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic
€146.95
Free delivery: Jun 17 – 22
If paid before 14:00
-40%
Part no. 3Q0907338P
Audi Q2 GA Headlight Light Headlamp Lamp Control Module Unit ECU 3Q0907338P
Promo price
€104.95
€62.97
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 7L0915138C
Audi Q7 4L Battery Mounting Bracket Part Holder 7L0915138C
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
Part no. 4H0941824
Audi A6 C8 Fuse Box Relay Plug Socket Fuse Unit Holder Bracket 4H0941824
€23.95
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 059971627D
Audi A6 C7 High Pressure Pump Fuel Line Electrical Wiring Harness 059971627D
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-5%
Part no. 4H0907801M
Audi A6 C7 Parking Brake Module Handbrake Actuator Control Unit 4H0907801M
Promo price
€23.95
€22.75
Free delivery: Jun 17 – 22
If paid before 14:00
-15%
Part no. 4G0919129A
Audi A5 8T A6 C7 A7 4G A8 4H TV Tuner Digital Video Control Module 4G0919129A
Promo price
€70.95
€60.31
Free delivery: Jun 17 – 22
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 .