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
-40%
Part no. 9313992
BMW F13 Front Seat Control Module Unit ECU Left Right N/O/S 9313992
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4G8959795J
Audi A7 4G8 Rear Door Module Control Module Unit Left Right N/O/S 4G8959795J
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8586569
BMW F20 F21 F30 F31 LCI Gearbox Transmission Harness Wiring Loom Cable 8586569
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4G8959107Q
Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107Q
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 079903021JX
Audi S8 D3 S6 C6 Alternator Water Cooled 190A 14V 5.2 FSI V10 079903021J
Promo price
€108.95
€92.61
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6799576
BMW F10 F11 ICM Control Module Unit 6799576
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-15%
Part no. 04L906021BQ
Audi A4 B8 Engine Control Unit Module ECU 2.0 TDI CNHC 163HP 04L906021BQ
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9294206
BMW F25 CD DVD Navigation Sat Nav Head Unit 9294206
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 7316535-3
BMW F06 F13 Sliding Sunroof Drive Motor Unit Webasto 7316535
€47.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 5Q0971250P
Audi S3 8V Battery Wire Cable Negative Earth Lead 95Q0971250P
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8P0907357F
Audi S4 B7 Headlight Head Light Lamp Range Control Unit Module ECU 8P0907357F
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 83F971104F
Audi Q3 F3 Rear Bumper PDC Wiring Loom Cabling Parking Sensor 83F971104F
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8586568
BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2661538979-1
Mercedes W169 A150 W245 B150 Engine Control ECU Kit A2661538979 + Key Automatic
Promo price
€265.95
€159.57
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A2129006429
Mercedes SLK R172 C207 Front Fuse Box Relay Control Unit SAM Module A2129006429
€227.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A6519064300
Mercedes W205 Diesel OM651 Engine Starter Motor Actuator Bosch A6519064300
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2059001611
Mercedes W205 Door Module Front Right O/S Control Unit ECU A2059001611
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2059002011
Mercedes W205 Rear Door Control Module Unit Right O/S ECU A2059002011
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2059001311
Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 9872066
BMW X2 F39 F40 F44 F45 F46 F52 Air Quality AUC Sensor 9872066
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2059001811
Mercedes W205 Rear Door Control Module Unit Left N/S ECU A2059001811
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A2059007815
Mercedes W205 Radio Audio Navi GPS Head Unit A2059007815
€227.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2059004013
Mercedes W205 Air Conditioning Control Module A/C ECU Unit A2059004013
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8J0971226
Audi TT 8J Negative Battery Cable Lead 8J0971226
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9221825
BMW E70 E71 Car Infotainment Multimedia Computer Head Unit 9221825
Promo price
€341.95
€205.17
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8T0959795Q
Audi A5 B8 8T Door Module Control Unit Left Right N/O/S 8T0959795Q
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8652443
BMW F45 Wiring Harness Motor Sensor System Module 8652443
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-40%
Part no. GTC055R
Mercedes W207 W212 Display Screen Android Navigation Infotainment Unit GTC055R
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8T8035225C
Audi A5 8T Audio Radio Aerial Amplifier Control Unit 8T8035225C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8K0907064DC
Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064DC
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8W9971104A
Audi S4 B9 Wiring Loom Set PDC Rear Complete Harness Parking Sensor 8W9971104A
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8T8971845
Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8H0951178
Audi A4 B7 Cabrio Alarm Signal Body Control Sensor Module Unit 8H0951178
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 5Q0959592K
Audi Q2 GA Door Module Control Unit Front Passenger Side 5Q0959592K
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 5Q0937084DR
Audi Q2 GA Body Control Comfort Unit Module BCM Unit ECU 5Q0937084DR
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 81A035035G
Audi Q2 GA Sat Nav Multimedia Control Unit Module SD SIM MIB2 HIGH 81A035035G
Promo price
€807.95
€484.77
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4G2907311C-1
Audi A7 4G8 3.0 TDI CRTE 218HP Quattro Engine ECU Kit 4G2907311C BCM2 + 2 Keys
Promo price
€664.95
€398.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8W9971104M
Audi A4 B9 Rear Bumper PDC Parking Sensor Harness Wiring Loom Cable 8W9971104M
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8510591-7
BMW X1 E84 2.0d N47 177HP sDrive Engine Control Unit ECU DDE 8510591 Manual
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8W1907064BL
Audi A4 B9 Body Control Module BCM Comfort Control Unit Power Supply 8W1907064BL
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4M0959795N
Audi A4 B9 Door Module Rear Left Right N/O/S Control Unit Module ECU 4M0959795N
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 02Z911024Q
Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4G2971228DQ
Audi A6 A7 4G 3.0 TDI Starter Alternator Wiring Harness 4G2971228DQ
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8715804
BMW GT G32 ECU Body Domain Controller BDC Comfort Unit Module 8715804
€218.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 5Q0937084CJ
Audi A3 8V 1.6 TDI DBKA BCM Body Control Module Unit ECU 5Q0937084CJ
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-5%
Part no. 7L0941824B
Volkswagen Touareg 7L Fuse Box Module Electrical Relay Control Unit 7L0941824B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4F0959795M
Audi A6 C6 Rear Door Left Right N/O/S Module Unit Control ECU 4F0959795M
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
€47.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2078210411-1
Centre Console Connector Mercedes W204 W207 USB Port Socket Trim A2078210411
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4H0907355D
Audi A7 4G A8L 4H Ad Blue Control Module Unit ECU 4H0907355D
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8K0959793E
Audi A4 B8 Door Module Front Drive Side Control Unit ECU 8K0959793E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9394665
BMW F10 Footwell Light Module Control Unit ECU 9394665
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8614302-5
BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + 2 Keys
Promo price
€617.95
€370.77
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8X0959792F
Audi A1 8X Front Door Control Module Unit Passenger Side 8X0959792F
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4G8971085DP
AUDI A6 C7 A7 FY Sensor Harness Installation PDC Radar 4G8971085DP
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2319003706
Mercedes R231 Control Unit Module Passenger Seat A2319003706
Promo price
€127.95
€76.77
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 7446712
BMW F23 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7446712
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4L0971225D
Audi Q7 4L Positive Battery Terminal Cable 4L0971225D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4L0919614B
Audi Q7 4L Navigation Multimedia Control Panel Knob Unit 4L0919614B
Promo price
€550.95
€330.57
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8W0959595M
Audi A4 B9 A5 F5 Door Module Rear Right Left N/O/S Control Unit 8W0959595M
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8K0907440
Audi Q7 4L GPS Tracking Location Control Unit Module Locator 8K0907440
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2129003502
Mercedes W212 Xenon Headlight Ballast Control Unit Module Hella A2129003502
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4F9910402A-1
Audi A6 C6 3.0 TDI 240HP CDYA Quattro Engine ECU Kit 4F9910402A Ignition + Keys
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8S0820047
Audi TT FV 8S A/C Air Condition Climate Control Module Unit ECU 8S0820047
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8S0035072A
Audi TT FV Dashboard Sat Nav Drive Unit MMI Multimedia Infortaiment 8S0035072A
Promo price
€379.95
€322.96
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 5Q0915181C
Audi A3 8V Negative Battery Cable Terminal Clamp Wire 5Q0915181C
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8U0955559
Audi A1 8X A3 8V Windscreen Rain Sensor Control Unit 8U0955559
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 5Q0915181H
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03C906016BG-1
Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU Kit 03C906016BG BCM + Key
Promo price
€161.95
€97.17
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 1K0971235J
Audi A3 Volkswagen Golf Battery Wire Cable Negative Earth Lead 1K0971235J
€23.95
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8V0035399C
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035399C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 05E972627B
Volkswagen Golf SV 1.5 TSI DADA Automatic Engine Wiring Harness 05E972627B
Promo price
€108.95
€65.37
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4H0959655H
Audi A7 4G8 Air Module Control Unit ECU SRS Module Unit 4H0959655H
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 06K907425B-2
Audi TT FV 8S 2.0 TFSI CHHC 230HP Quattro Engine ECU Kit 06K907425B BCM Key
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6902265
BMW E65 E66 E67 Compact Base Support System Rear Black 6902265
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2129006709
Head Unit Mercedes C207 W212 High Line Radio Sat Nav DVD Bluetooth A2129006709
Promo price
€108.95
€65.37
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2049005503
Mercedes C207 Complete Damper Adjustment Control Module ECU A2049005503
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 06J903023D
Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A1664403436
Mercedes GLE W166 Wiring Harness Automatic Gearbox Cable Loom A1664403436
Promo price
€104.95
€62.97
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 7610009-5
Mini Cooper S R55 R56 N14 1.6 174HP Engine Control ECU Kit DME 7610009 Manual
€450.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A2769007300
Mercedes SL400 R231 276.825 333HP Engine Control Unit ECU A2769007300 Automatic
€142.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4H0907063BA
Audi A6 C7 Onboard Supply BCM Body Control Module Unit ECU 4H0907063BA
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4G0907468F
Audi A6 C7 Central Getaway Control Unit Module ECU 4G0907468B
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 4M0959651
Front Crash Impact Audi A4 B9 A5 F5 Air Module Sensor Unit 4M0959651
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 6871062
BMW F01 F07 F10 F12 VDC Module Rear Suspension Level Control Unit 6871062
€47.95
Free delivery - Tue, Oct 21
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 .