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. 4H0035061J
Audi A8L 4H Head Unit Radio CD Player Navigation GPS 4H0035061J
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4H0971104J
Audi A8L 4H Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 4H0971104J
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9132254
BMW Z4 E85 E86 CID Control Unit CD Player Radio Audio System 9132254
Promo price
€199.95
€169.96
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4H0907401-1
Audi A8 4H 3.0 TDI CDTA 250HP Quattro Engine ECU Kit 4H0907401 BCM + Key + Lock
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8K0971228B
Audi A5 8T Battery Starter Alternator Harness Wiring Cable 8K0971228B
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2135401217
Mercedes W213 OM642 Diesel Engine Alternator Wiring Loom Harness A2135401217
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 9266328
ICM Module BMW F07 GT F01 F02 F03 F04 Air Module Control Unit ECU 9266328
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 80A907247A
Audi Q5 FY Keyless Entry Amplifier Control Box Module Aerial Antenna 80A907247A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-5%
Part no. 06H911021
Audi A4 B8 2.0 TFSI Petrol Engine Starter Motor 06H911021
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A2215457832
Mercedes W221 Steering Column Wheel Angle Sensor Control Unit A2215457832
€80.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A9075402087
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401305
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8W0941824AK
Audi A4 B9 A5 F5 Q5 FY Fuse Box Battery Terminal 8W0941824AK
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A2215402250
Mercedes W221 SAM Relay Fuse Box Module Control Unit ECU A2215402250
€170.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A1665400141
Mercedes W166 Petrol Engine HV Battery Earth Ground Line Cable Wire A1665400141
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A6429005601
Mercedes C207 Glow Plug Relay Unit Control Module A6429005601
€56.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 06N907309A-1
Audi A4 B9 8W 35 TFSI DMSB 150 HP Engine ECU Kit Body + Key 06N907309A Automatic
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8W1959593
Audi Q5 FY Front Door Control Module Unit Right O/S Side 8W1959593
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8W0906093F
A4 B9 35 TFSI Fuel Pump Sender Control Relay Module Unit ECU 8W0906093F
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4E0910217C
Audi Q7 4L Front Camera FAS Lane Assistance Control Unit 4E0910217D
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8W2035043E
Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043E
Promo price
€474.95
€284.97
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8W0907468J
Audi A4 B9 Gateway Control Unit Module ECU 8W0907468J
Promo price
€341.95
€290.66
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8J0971237A
Audi TT 8J Starter Motor Negative Battery Wiring Harness Cable 8J0971237A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8W0971235A
Audi A4 B9 Negative Battery Terminal Cable Harness Wiring Loom 8W0971235A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4L0035670
Audi Q7 4L Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 4L0035670
Promo price
€199.95
€169.96
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4M0035454B
Audi A4 B9 Dashboard Loudspeakers Tweeter Speaker Front 4M0035454B
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A1775409357
Mercedes W177 M282 Starter Alternator Electrical Wiring Harness A1775409357
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8J0907159B
Audi TT 8J Alarm Signal Body Sound Impact Control Module Unit 8J0907159B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8W0959655P
Audi A4 B9 Air Module System Control Sensor ECU Unit 8W0959655P
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8W1907063CC
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063CC
Promo price
€180.95
€108.57
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8W0959593N
Audi A4 B9 Front Door Module Control Unit ECU Driver's Side 8W0959593N
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2829006700
Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 3457434-3
Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
Promo price
€332.95
€199.77
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8W0959595N
Audi A4 B9 Door Module Rear Right Left N/O/S Control Unit 8W0959595N
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A0009055504-TNG
Mercedes W205 W212 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8J0035456A-1
Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A
€23.95
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-40%
Part no. LHD-HC-8613-R56
LHD-HC-8613-R56
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 5QS915181
Audi A3 S3 8Y Battery Negative Terminal Cable Wire 5QS915181
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-15%
Part no. 5WA962133E
Volkswagen Golf 5G Keyless Entry Module Aerial Antenna 5WA962133E
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8Y0035042C
Audi S3 8Y Body Control Comfort Module ECU Unit Bluetooth 8Y0035042C
Promo price
€1,139.95
€683.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 5QS959655A
Audi A3 S3 8Y Air Module Crash Impact Sensor Unit Control ECU 5QS959655A
Promo price
€303.95
€182.37
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2129003922-1
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 6R0971349BK
Audi A1 8X 1.4 TFSI CAXA Alternator Wiring Harness Cable Loom 6R0971349BK
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 5Q0959435A
Volkswagen Golf CD1 Keyless Go Module ECU Entry Control Unit 5Q0959435A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8K0971095E
Audi A4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095E
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4G0907397R
Audi S1 8X Front Lamp Headlight DRL Ballast Control Module Unit 4G0907397R
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 4G0035083
Stereo DAB Radio Audi A4 B8 Q5 8R CD Player Radio Receiver Head Unit 4G0035083
€161.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8K0907637A
Audi A5 8T Acceleration Yaw Rate Sensor Module Control Unit ECU 8K0907637A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8T2035110B
Audi A5 8T Radio Head Unit Navi CD DVD Player Changer 8T2035110B
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4F0919805
Audi A4 B8 Smart Card Reader Smart Card System TV 4F0919805
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4F0919887M
Audi A5 8T Navigation System Car Sat Nav Computer Head Unit 4F0919887M
Promo price
€104.95
€62.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8T0907441D
AUDI A4 B8 Reversing Camera Control Module Rear View Unit ECU 8T0907441D
Promo price
€137.95
€82.77
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8K0907357A
Audi A5 8T Headlight Range Headlamp Control Unit Module ECU 8K0907357A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 4F0919813E
Audi A4 B8 Chip Card Reader for Road Toll ETC Japan Module Unit 4F0919813E
€37.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 6C0907359
Audi A4 B8 Air Suspension Module Regulation Control Unit 6C0907359
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 4F0035503E
Audi A4 B8 Transmitting Receiving Unit Road Toll System 4F0035503E
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8K0959793R
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8K0959793R
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8P0907115AP-1
Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key 8P0907115AP Manual
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8P3907357B
Audi S3 8P Xenon Headlight Range Control Module Unit ECU 8P3907357B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A6519003603-2
Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8E0035411B
Audi A4 B7 Door Speaker Tweeter Front Left Right N/O/S 8E0035411B
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 5E5035577B
Skoda Octavia 5E Antenna Amplifier Aerial Control Module Unit 5E5035577B
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A9075407160
Mercedes W907 W910 Battery Electrical Wiring Harness Ground Line A9075407160
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8574091
BMW F10 F11 520d N47N 184HP Engine Control Unit ECU DDE 8574091 Automatic
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 03L906018PH
Audi Q3 8U 2.0 TDI CFGC 177HP Quattro Engine Control Unit ECU 03L906018PH
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 04L907309AB-1
Audi Q3 8U 2.0 TDI DFTA 150HP Quattro Engine ECU Kit Ignition + Key 04L907309AB
Promo price
€161.95
€97.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 04L907309B-3
Skoda Octavia Mk3 5E 1.6 TDI CLHA 105HP Engine ECU Kit Ignition + Key 04L907309B
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
Part no. 1K0907530Q
Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 3Q0959655AC
Skoda Octavia 5E Air Module Control Unit ECU Module Sensor 3Q0959655AC
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8P0907279P
Audi A3 8P Gateway Interface Onboard Supply Control Module Unit ECU 8P0907279P
Promo price
€237.95
€202.26
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8S0915181C
Audi Q5 FY A5 Negative Battery Terminal Cable Wiring 8S0915181C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8W8959107B
Audi Q5 FY Rear Boot Trunk Lid Tailgate Control Unit Module ECU 8W8959107B
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 5Q0906121D
Audi Q3 8U 2.0 TDI CFGC Fuel Sender Pump Control Module Unit ECU 5Q0906121D
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-5%
Part no. 80C919616
Audi Q5 FY Multimedia Volume Control Button Switch Knob Head Unit 80C919616
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8K0959792D
AUDI S5 8T Door Control Module ECU Front Left N/S 8K0959792D
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
Part no. 8K0959792H
Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 7199998
Mini R52 Cabrio Convertible Folding Top Roof CVM Module Control Unit 7199998
€32.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4G0907401F-1
Audi A7 4G 3.0 TDI CDUC Quattro Engine ECU Kit BCM + Ignition + Key 04L907445F
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 059911021G
Motor Starter Audi A7 4G Q5 8R 3.0TDI Diesel Engine Starter Unit 059911021G
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8J0035456
Audi S5 8T Antenna Amplifier Aerial Control Module Unit ECU 8J0035456
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4G8959795A
Audi A7 4G8 Door Control Module Electrical Unit ECU Rear Right O/S 4G8959795A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4H0907801E
AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4H0907357A
Audi A7 4G8 Headlight Head Light Lamp Range Control Unit Module ECU 4H0907357A
Promo price
€23.95
€22.75
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 .