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. 7809955-4
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
Promo price
€617.95
€370.77
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 6807322
Positive Cable BMW F90 M5 G30 Battery Wire Lead Underfloor Wiring 6807323
Promo price
€89.95
€53.97
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8512498-5
BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
Promo price
€232.95
€139.77
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9200944
BMW 3 X1 E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9200944
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9374510
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9374510
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2055457540
Mercedes W205 C238 X253 W213 Inner Firewall Contact Support A2055457540
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 4M0959592N
Audi Q7 4M Front Door Module Control Unit ECU Passenger Side 4M0959592N
€56.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9207075
BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075
Promo price
€80.95
€48.57
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 8516122
Battery Cable BMW X5 F15 X6 F16 Alternator Starter Wiring Loom Harness 8516122
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 4F0971765
Audi A6 C6 Wing Mirror Adjustment Switch Wiring Loom Cable 4F0971765
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2213201058
Mercedes R231 Valve Block Air Suspension Control Unit A2123200358
Promo price
€203.95
€122.37
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 8677247
Mini Countryman F60 Cable Alternator Starter Wire 12428677247 8677247
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 3B0035711B
Seat Leon Mk3 5F Hands Free Microphone Module Speaker Wiring Loom 3B0035711B
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 4H0971365J
Audi A8 D4 Seat Cable Front Left Right N/O/S Seatbelt Warning Wiring 4H0971365J
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 9366339
BMW G32 GT Door Wiring Harness Loom Cable Rear Left Right N/O/S 9366339
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 4H0907658C
Audi S3 8Y A5 F5 Q5 FY A8L 4H Air Quality Sensor Unit 4H0907658C
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8H1971035CN
Audi A4 B7 Convertible Front Driver Side Door Wiring Harness 8H1971035CN
€32.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. BM5T-18B955-BE
Ford Focus Mk3 Multifunction Screen Dashboard Multimedia Display BM5T-18B955-BE
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9324781
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324781
Promo price
€94.95
€56.97
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2048207485
Mercedes W204 Front Door Control Unit Module Right O/S A2048207485
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A1729058300
Mercedes SLK R172 Pedestrian Protection Impact Crash Sensor Module A1729058300
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 8590041
BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2518701889
Antenna Amplifier Mercedes W164 W251 Aerial Control Unit Module A2518701889
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 7798034
BMW E60 E65 E87 E90 Starter Motor Engine 7798034
Promo price
€56.95
€48.41
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A0009006713
PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713
Promo price
€47.95
€28.77
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2469009112
Control Unit Mercedes W176 W246 Body Control Module BCM ECU A2469009112
Promo price
€44.95
€26.97
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8733503
BMW F30 Fuse Box Front Body Control Module ECU BCM Unit 8733503
Promo price
€189.95
€113.97
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 9337210
BMW 4 F33 F83 M4 Cabrio Front Door Driver's Side Wiring Loom Cables 9337212
€28.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9243667
BMW X3 F25 X4 F26 Rear Door Left Right N/O/S Wiring Loom Cables Harness 9243667
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7550017
Mini Cooper One Clubman R55 R56 R58 R59 R60 Starter Motor 1.6 Engine 7550017
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 3D0919473
Volkswagen Touareg 7L PDC Parking Aid System Display Panel Unit 3D0919473
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9290014
BMW X3 F25 Light Module Control Footwell ECU Unit FRM3 9290014
Promo price
€108.95
€65.37
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
Promo price
€56.95
€48.41
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9231179
Antenna Amplifier BMW F30 F80 M3 F82 M4 Rear Aerial Booster AM/FM DAB 9231179
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A0025428819
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 3Q0959655AQ
Skoda Octavia 5E Air Module Control Unit ECU Module Sensor 3Q0959655AQ
€80.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 99661822100
Porsche Boxter 986 Crash Impact Sensor Module 99661822100
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8519005-2
BMW X1 E84 18dX Diesel N47N 143HP Engine Unit ECU DDE 8519005 Automatic
€94.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8H1971029AL
Audi A4 B7 Convertible Front Driver Side Door Wiring Harness Cable 8H1971029AL
€85.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9252651
BMW 1 2 3 Series F20 F21 F22 F30 Radio Remote Control Receiver 868 MHZ 9252651
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 3D0909601D
Porsche Cayenne 955 9PA Air Module Control Unit ECU SRS 3D0909601D
€37.95
Free delivery: Feb 18 – 23
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: Feb 18 – 23
If paid before 14:00
-15%
Part no. 9298945
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9298945
Promo price
€113.95
€96.86
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9383681
Mini F55 Fuse Box Front Body Control Module ECU BCM Unit 13275881
Promo price
€123.95
€74.37
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A2039000000-1
Mercedes CL203 Head Unit CD Player Radio Audio Controller Unit A2039000000
Promo price
€85.95
€73.06
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2125455640
Mercedes W212 Battery Holder Mount Bracket Support E-Class A2125455640
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2129060205
SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
Promo price
€99.95
€59.97
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9284331
Mini Cooper R55 R56 LCI R60 R61 Roof Light Switch Operating Unit 9284331
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9286365
BMW X1 X2 Series F39 F48 Antenne AM Antenna Amplifier Cable 9286365
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A9076830400
Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9113064
BMW 5 Series E60 E61 LCI Centre Console Switch Cluster Control Unit ECU 9113064
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 03L906022RD
Skoda Octavia II VRS 2.0 TDI CEGA Engine Control Module ECU 03L906022RD Manual
€256.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9396830
BMW F06 F12 F13 E63 Antenna Module Multi band Antenna GPS TEL Left N/S 9396830
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 9218380
Steering Wheel Module BMW F10 F11 F20 F21 F30 F31 Heating Control Unit 9218380
€42.95
Free delivery: Feb 18 – 23
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: Feb 18 – 23
If paid before 14:00
Part no. 8V5T-14A584-AHH
Ford Fiesta Mk7 Front Door Wiring Harness Cable Right O/S 8V5T-14A584-AHH
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 7587548-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS 3 + Key Manual
Promo price
€474.95
€284.97
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9286941
BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A0025421319-1
Mercedes W204 Genuine Universal Car Relay 4-Pin Hella Black A0025421319
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A1765404609
Mercedes W176 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
Promo price
€61.95
€52.66
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8632687
BMW i3 I01 Engine Motor Sensors Module Wiring Cable Wire Harness 8632687
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A6401500100
Mercedes W169 A160 CDI OM640.942 82HP Engine Control ECU A6401500100 Automatic
€113.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6934030
BMW 7 Series E65 E66 Wiring Loom Harness Right O/S Front Door 6934028
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A2649060400
Mercedes W205 W257 Starter Engine Motor A2649060400
Promo price
€113.95
€68.37
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. HC345H297AA
Ford Transit Mk8 2.0 EcoBlue AdBlue Module Control Unit HC34-5H297-AA
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 6917552-BRG
Mini R50 R52 R53 Rear PDC Ultrasonic Parking Sensor British Racing Green
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 3456365
Roof Security Alarm Mini R55 R56 One Ultra Sonic Module 3456365
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6838610
BMW 1 Series F40 Aerial probe AM/FM Antenna 6838610
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A4478260000
Mercedes Vito W447 Headlight Turn Indicator Light Socket Plug A4478260000
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A0131545602
Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
Promo price
€94.95
€80.71
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 04E0919064
Audi A8 D3 Door Lightning Module Control Unit Front Rear 04E0919064
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. A2069055100
Mercedes C118 W167 W177 W206 W247 Stereo Amplifier Harman Kardon A2069055100
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2129004402
Door Module Mercedes W212 E-Class Front Left N/S Control Unit A2129004402
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 83A962239
Audi A3 8Y Q3 F3 Rear Hatch Boot Lid Tailgate Opening Cable Wiring 83A962239
€70.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. BK2T14A094BA
Ford Transit Mk8 Battery Fuse Box BK2T14A094BA
€51.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 7L0907553E
Porsche Cayenne 9PA Suspension Control Unit Module 7L0907553E
€151.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 4H0035670R
Audi A8L 4H Multimedia Radio Sat Nav CD Player SD SIM Head Unit 4H0035670R
Promo price
€455.95
€273.57
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2048205015
Mercedes W204 W207 Wiring Loom Cable Harness AUX Jack A2048205015
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. A1698705894
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698705894
Promo price
€75.95
€64.56
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8267408
BMW E46 E64 Front Seat Backrest Adjustment Drive Right O/S 8267408
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 06D911023A
Audi A4 B8 2.0 TFSi Petrol Engine Starter Motor Actuator Unit 06D911023A
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 9210857
BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 4H0907412
Audi A8 D4 Ambient Lighting Control Module Unit ECU 4H0907412
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8J0035223E
Audi TT 8J Coupe Roadster Ultrasonic Sound Control Module ECU Unit 8J0035223E
Promo price
€42.95
€25.77
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 8K0907551-1
Audi S4 B8 3.0 TFSI 333HP CAKA Quattro Engine ECU Kit 8K0907551 Automatic
Promo price
€246.95
€148.17
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 9824601180-1
Citroen Relay III 2.2 DW12RUD Engine Module ECU Kit Ignition + Key 9824601180
Promo price
€503.95
€302.37
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 6839769
KaFAS Module BMW F10 F20 F30 Mini F55 F56 Assist Camera Control Unit 6839769
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. GK2T14B144GA
Ford Transit Mk8 VI Fuse Box Module Positive Battery Terminal GK2T-14B144-GA
€28.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. A6461502734-1
Mercedes W204 C220 CDI 170HP 646.811 Engine Unit ECU A6461502734 Automatic
Promo price
€165.95
€99.57
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2465405733
Wiring Harness Mercedes X156 W176 Petrol Battery To Starter Cable A2465405733
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 6956020
BMW MINI Cooper Cabrio Convertible R52 Rear Bumper PDC Cables Wiring Loom Set
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A2118703285
Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703285
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 1486455080
Peugeot Expert Citroen Jumpy Negative Battery Terminal Cable Wiring 1486455080
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 6861026
BMW I01 F45 F46 Mini F55 F56 Parking Assistant PDC Control Unit Module 6861026
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8Y0963554B
Volkswagen Golf 8 Rear Seat Couch Occupancy Sensor Unit 8Y0963554B
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 3C1T14A120AA
Ford Transit Mk6 Starter Motor Battery Cable Loom Wiring Harness 3C1T-14A120-AA
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A0009828223
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. A0015424623
Mercedes A207 W204 W212 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 130002613-1
BMW 5 X5 7 Series E60 E61 E65 E70 Longitudinal Seat Adjusment Drive Motor
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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 .