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. 8R0035223F
Audi A4 B8 A5 8T Stereo Radio Sound System Speaker Amp Amplifier 8R0035223F
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4L0959792B
Audi Q7 4L Door Control Unit Module ECU Passenger Side 4L0959792B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8W0937124A
Audi A4 B9 A5 F5 Q5 FY Fuse Box Control Module Relay Box 8W0937124A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8V4971029M
Audi A3 S3 8V Front Door Wiring Harness Loom Cable Driver Side 8V4971029M
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4G5971693
Audi A6 C7 4G Rear Door Card Harness Loom Cable Wiring Left N/S 4G5971693
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 80A959655N
Audi Q5 FY Air Module Control Unit SRS System ECU 80A959655N
Promo price
€208.95
€125.37
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8V0907159
Audi A3 RS3 8V Impact Sound Actuator Body Control Unit Module ECU 8V0907159
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 03F906070GN-2
Audi A1 8X 1.2 TFSI CBZA 86HP Engine Control ECU Kit 03F906070GN Manual
Promo price
€189.95
€113.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8X0959792D
Audi A1 8X Front Passenger Side Door Module Unit Control ECU 8X0959792D
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4KE959655H
Audi Q7 4M Air Module Control Unit ECU SRS Module Unit 4KE959655H
€156.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8V7035225B
Audi A3 8V Antenna Amplifier Rear Right O/S 8V7035225B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4E0919063
Audi A1 8X A3 8V Door Light Emitting Diode Mount Bracket LED Module 4E0919063
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 5Q0971230ES
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230ES
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
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
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8U0907468BA
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468AQ
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4N0907063ME
Audi Q7 4M Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063ME
€237.95
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-40%
Part no. 8Y0035465A
Audi Q2 GA Harman Speaker Amplifier Booster Sound System 8Y0035465A
Promo price
€146.95
€88.17
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 80A941823A
Audi Q5 FY Positive Battery Terminal Potential Distributor 80A941823A
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8T0971035G
Audi A5 8T Coupe Front Door Wiring Loom Harness Driver's Side Cable 8T0971035G
€23.95
Free delivery: Feb 16 – 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: Feb 16 – 19
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 16 – 19
If paid before 14:00
Part no. 5WA980653C
Audi A3 S3 RS3 8Y Front Camera FAS Lane Assistance Control Unit 5WA980653C
€94.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8K0971765E
Audi A4 B8 AdBlue Tank Wiring Harness Loom Cable 8K0971765E
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8W5035021
Audi A4 B9 Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8W5035021
Promo price
€659.95
€395.97
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4E0910441-1
AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441
€132.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4F0959795N
Door Module Audi A4 B8 A6 C6 Rear Unit Control ECU Left N/S 4F0959795N
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4M8907777CA
Audi Q7 4M Air Suspension Adjustment Module Control Unit ECU 4M8907777CA
€265.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4H0907247
Audi A6 4G Keyless Entry Aerial Antenna Control Unit Module 4H0907247
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K0907801L
Audi S5 8T Parking Electric Brake Handbrake Module Control Unit 8K0907801L
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4G8959792A
AUDI A7 4G8 Door Control Module Front Right O/S Passenger Side 4G8959792A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
Part no. 8D0907539
Audi A3 8L A4 B5 Windscreen Sunlight Sun Light Solar Sensor Unit 8D0907539
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8K0907064HE
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-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: Feb 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
-40%
Part no. 05E907309CB
Audi Q2 GA 35 TFSI 1.5 DXDB Engine ECU Kit Ignition + Key 05E907309CB Manual
Promo price
€332.95
€199.77
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
Part no. 8W6971036G
Audi A4 B9 A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971036D
€42.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8E0035456D
Audi A4 B8 Telephone Aerial Antenna Signal Amplifier Module 8E0035456D
€23.95
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
-5%
Part no. 5QA919294C
Audi Seat Skoda Volkswagen PDC Parking Sensor Control Unit Module 5QA919294J
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8W6971035AN
Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971035R
€56.95
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
Part no. 8K5035570
Audi A4 B8 Aerial Antenna Disturbance Suppressor 8K5035570
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4E0919604A
Audi A8 S8 D3 Display Monitor Screen Sat Nav Multimedia Control Unit 4E0919604A
€165.95
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
Part no. 4G0035056-1
Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
€237.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8X0919603B
Audi S1 8X Stereo Display Media SAT NAV Screen MMI Multifunction 8X0919603B
€113.95
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
Part no. 5WA959651
Audi A3 8Y VW Golf Mk8 Air Module Crash Impact Sensor 5WA959651
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8XA035193
Audi A1 8X Navigation Head Unit Radio Audio MMI CD Player Stereo 8XA035193
€569.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 7L0937401B-1
VW Volkswagen Touareg 7L Power Distribution Box Control Unit Plus 7L0937401B
€37.95
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-5%
Part no. 8P4971693P
Audi A3 8P Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8P4971693P
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4E0035670C
Audi A6 C6 A8 D3 Navigation Radio CD SD SIM Player MMI Head Unit 4E0035670C
€237.95
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
Part no. 8W0907159D
Audi RS4 B9 A5 F5 Impact Sound Module Control Unit 8W0907159D
€42.95
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
Part no. 8W0907217D
Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
€227.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8K0971035BB
Audi A5 8T Front Driver Side Door Wiring Harness Cable 8K0971035BB
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8T0907441B
Audi S5 8T Rear Reversing Camera Module View Camera Control Unit ECU 8T0907441B
€113.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 06E903024L
Audi A4 S4 B9 A5 A5 F5 3.0 Petrol Alternator Generator 14V 150A 06E903024L
Promo price
€108.95
€65.37
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 81A955555B
Rain Sensor Audi Q3 RSQ3 F3 Front Windscreen 81A955555B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8X0035182K
Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
Promo price
€275.95
€234.56
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8W6907217A
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217A
€37.95
Free delivery: Feb 16 – 19
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 16 – 19
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 16 – 19
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 16 – 19
If paid before 14:00
-5%
Part no. 5Q0907530AL
Audi A3 8V VW Golf 5G Central Gateway Control Unit Module Relay ECU 5Q0907530AL
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4F0971845A-2
Audi A6 C6 Comfort Body Module Fuse Relay Box Control Unit 4F0971845A
€23.95
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
-5%
Part no. 8E0951253
Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
Part no. 4D0907131
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 12V 4D09907131
€23.95
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
Part no. 1EA907376B
Audi A3 S3 8Y Rear Suspension Damper Module Control Unit ECU 1EA907376B
€56.95
Free delivery: Feb 16 – 19
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 16 – 19
If paid before 14:00
Part no. 06L907309E
Audi A4 B9 2.0 TFSI DLVA 190HP Engine Control Unit ECU 06L907309E Automatic
€99.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8T0862335D
Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335D
€23.95
Free delivery: Feb 16 – 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 .