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. 4M8907777CA
Audi Q7 4M Air Suspension Adjustment Module Control Unit ECU 4M8907777CA
€265.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8P4971693AB
Audi A3 8P Door Wiring Harness Loom Cabling Rear Left Right N/O/S 8P4971693AB
€23.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. 8E0959433CA
Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CA
€75.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 4H0937517
Audi A8L 4H Fuse Relay Battery Junction Box Housing 4H0937517
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
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
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. 8S0959121
Audi TT FV 8S Crash Impact Sensor Pedestrian Protection Module Front 8S0959121
€75.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4E0862150
Audi S8 D3 Fuel Tank Flap Actuator Motor Electric Linkage 4E0862150
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8T0959795J
Audi A5 8T Rear Door Module Control Unit Module ECU Left Right N/O/S 8T0959795J
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 4H0035061J
Audi A8L 4H Head Unit Radio CD Player Navigation GPS 4H0035061J
Promo price
€398.95
€239.37
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8W0906093D
Audi A4 B9 Fuel Pump Control Unit Module ECU 8W0906093D
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 80A035223A
Audi Q5 FY Sound System Audio Amplifier Amp Unit Bang & Olufsen 80A035223A
Promo price
€332.95
€199.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 06E971627Q
Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627Q
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4F9035225AA
Audi A6 C6 Antenna Amplifier Control Unit Module 4F9035225AA
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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
€189.95
€113.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8S0907159B
Audi TT FV Acoustic Controller Control Module Unit ECU 8S0907159B
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8X0971845C
Audi A1 8X Fuse Box Relay Control Unit Module Bracket Holder 8X0971845C
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 4L0910441C
Audi Q7 4L Rear Reversing Camera Module View Control Unit ECU 4L0910441C
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 1K0971228N
Audi A3 VW Golf Caddy Battery Lead Positive Cable Plus Pole Wiring 1K0971228N
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 5Q0959593D
Audi TT FV A3 8V Door Module Control Unit Front Right O/S Side ECU 5Q0959593D
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 06L971627K
Audi TT FY 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06L971627K
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 1J0971235S
Audi TT 8N HV Battery Negative Earth Terminal Harness Wiring Cable 1J0971235S
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 4F0907283
Audi A6 C6 FL Tire Pressure Control Module 4F0907283
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8P4971693P
Audi A3 8P Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8P4971693P
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 03L906018LA-1
Audi A6 C7 2.0 TDI CGLC 177HP Engine Unit ECU Kit 03L906018LA 2 Keys Ignition
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. 8E0909511
Audi A4 B7 A6 C6 Q7 4L Garage Door Opening Module Home Link Controller 8E0909511
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 80A906093
Audi Q5 FY Fuel Pump Control Unit Module ECU Diesel Kuhnke 80A906093
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 5Q0915181D
Audi A3 S3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181D
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 5F4971693
Audi A1 8X Door Window Switch Loom Cable Rear Left Right N/O/S 5F4971693
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8W0971553
Audi A4 B9 Front Seat Side Air Module Wiring Harness Loom Cable 8W0971553
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 3Q0907530BB-1
Audi Q2 GA Central Gateway Control Unit Module Relay ECU 3Q0907530BB
Promo price
€99.95
€59.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4H0951223
Audi A6 C7 Single Horn Alarm Siren High Tone Control Unit Module 4H0951223
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8X0959793D
Audi A1 8X Driver Side Door Module Front Control Unit Module ECU 8X0959793D
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 5K0962132A
Audi Q3 F3 Keyless Entry Amplifier Control Box Module Aerial Antenna 5K0962132A
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8P0862335F
Audi A3 8P A4 B7 Bluetooth Module Interface Control Unit Hands Free 8P0862335F
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8T0971035A
Audi A5 8T Coupe Front Door Wiring Loom Harness Driver's Side 8T0971035A
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8R0907468L
Audi A5 8F Gateway Control Unit Module ECU 8R0907468L
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8K0959793N
Audi Q5 8R Front Door Module Control Unit ECU Driver's Side 8K0959793N
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4G8959793A
AUDI A7 4G8 Door Control Module Front Left N/S Driver Side 4G8959793A
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 5QA919283A
Audi A3 S3 8V VW Golf 7 Seat Leon 3 Parking Assist PDC Control Module 5QA919283A
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4M0971228DH
Audi Q7 4M Q8 Mk1 Starter Motor Wiring Harness Cable Line 4M0971228DH
€113.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8R0907468C
Audi A5 8T 2.0 TDI Gateway Control Module Unit ECU 8R0907468C
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4E0907719
Audi A8 S8 D3 Alarm Module Tow Protection Signal Control Unit Block 4E0907719
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8T0959793K
Audi A4 B8 A5 8T Door Control Unit Module Front Driver's Side 8T0959793K
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8P0907357F
Audi S4 B7 Headlight Head Light Lamp Range Control Unit Module ECU 8P0907357F
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8K0959792A
Audi A5 8T Door Control Module Front Left N/S 8K0959792A
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 059911021C
Audi A4 B8 3.0 TDI CAPA Diesel Starter Motor 059911021C
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 4H0907182G
Audi A8 D4 4H Multicontour Seat Module Control Unit Left Right N/O/S 4H0907182G
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8Y4971104BK
Audi S3 8Y Rear Bumper Wiring Harness Cable Loom 8Y4971104BK
Promo price
€70.95
€60.31
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 06E903024L
Audi A4 S4 B9 A5 A5 F5 3.0 Petrol Alternator Generator 14V 150A 06E903024L
€108.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8K0971035BB
Audi A5 8T Front Driver Side Door Wiring Harness Cable 8K0971035BB
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 1K0907719C
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719C
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4H0937555
Audi A8L 4H Fuse Box Relay Chamber Lower Cover Lid Housing 4H0937555
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8X0035182K
Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
€275.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 04L906021CK
Audi Q5 8R 2.0 TDI CNHA Quattro 190HP Engine Unit ECU Kit 04L906021CK Automatic
€450.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8K0959793H
Audi A4 B8 A5 8T Door Module Control Front Unit ECU 8K0959793H
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 03L906019AG-1
Audi A6 C6 2.0 TDI CAHA 170HP Engine ECU Kit 03L906019AG Ignition + Key Manual
Promo price
€218.95
€131.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8D0951253
Audi Q7 4L Relay Unit Module 4 Pins 8D0951253
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4M0971237S
Audi Q7 4M Q8 Mk1 Battery Negative Cable Wiring Earth Line 4M0971237S
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8E0054635D
Audi A3 8P TT 8J PDC Parking Distance Control Unit Module 8E0054635D
€70.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8E0951253
Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4E0910110E
Audi S6 C6 6-Disc CD Changer Magazine Head Unit MMI 4E0910110E
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8K0971228H
Audi A4 B8 3.0 TDI Starter Alternator Wiring Loom Cable Harness 8K0971228H
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 06H911021
Audi A4 B8 2.0 TFSI Petrol Engine Starter Motor 06H911021
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4L0959655C
Audi Q7 4L Air Module Control Unit ECU Impact Sensor 4L0959655C
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4F1941824A
Audi A5 F5 Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824A
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6R0915181E
Audi A1 8X Battery Cable Loom Harness Wiring Negative Terminal 6R0915181E
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8T8035570-1
Audi A4 B8 Radio Antenna Noise Signal Disturbance Suppressor 8T8035570
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8R0907468N
Audi A5 8T Gateway Control Module Unit ECU 8R0907468N
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4M0971349Q
Audi Q7 4M Electric Alternator Starter Positive Wiring Harness Cable 4M0971349Q
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8W0907777L
Audi RS5 F5 Chassis Module Control Unit 8W0907777L
€313.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 5WA962133F
Audi Volkswagen Seat Keyless Entry Module Aerial Antenna 5WA962133F
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8W0035192K
Audi A4 B9 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8W0035192K
€284.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8W9971104T
Audi A4 B9 Rear Bumper PDC Wiring Parking Sensor Loom Harness 8W9971104T
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4H0951253
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit 4H0951253
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8T0907468D
Audi A4 B8 A5 8T Gateway Diagnostic Interface Control Unit Module ECU 8T0907468R
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8W0959655H
Audi A4 B9 RS5 F5 Air Module Control Unit SRS Sensor ECU 8W0959655H
€313.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8X0907357C
Audi TT 8J Headlight Head Light Lamp Range Control Unit Module ECU 8X0907357C
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8W0959593H
Audi A4 S4 B9 Front Door Control Module Unit Driver's Side 8W0959593H
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8T0919611-1
Audi A4 B8 Head Unit Media Player Controller Knob Switch Panel 8T0919611
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8K0907551
Audi A4 S4 B8 3.0 TFSI 333HP CAKA Quattro Engine Control Unit ECU 8K0907551
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8W0907063CG
Audi Q5 FY 2.0 TFSI DAXB Petrol Supply Body Control Module Unit 8W0907063CG
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8T0862335A
Audi A4 B8 Bluetooth Interface Module Control Unit ECU 8T0862335A
Promo price
€51.95
€31.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8K0907472
Audi A4 B8 Headlight Headlamp LED Module Control Unit 8K0907472
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 2GA035284B
Audi Q2 GA Online Services Control Module ECU Unit 2GA035284B
Promo price
€142.95
€85.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8K0959793J
Audi A4 B8 Door Module Front Right O/S Control Unit Module ECU 8K0959793J
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4F0971547
Audi A6 C6 Cable Wiring Loom Heater Matrix Air Conditioning Cable 4F0971547
€23.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8T0907441D
AUDI A4 B8 Reversing Camera Control Module Rear View Unit ECU 8T0907441D
Promo price
€137.95
€117.26
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8W0959592H
Audi A4 B9 A5 F5 Front Door Module Control Unit ECU Passenger Side 8W0959592H
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 5Q0959393B
Audi A3 8V Front Door Control Module Unit Right O/S 5Q0959393B
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 5QA919283G
Audi A3 8V Park Parking Assist PDC Distance Control Unit Module 5QA919283G
€28.95
Free delivery: Feb 3 – 6
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 .