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. 6953424-2
BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4H0907508
Audi RS6 C7 Acceleration Engine Sensor Module Control Unit ECU 4H0907508
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K9035225
Audi RS4 B8 Radio Aerial Antenna Amplifier AM/FM 8K9035225
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1635400382
Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2048701826
Mercedes S204 Door Module Front Left N/S Control Unit ECU A2048701826
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7798875
BMW X5 Series E70 LCI Ventilation Grommet Unit Box Cover 7798875
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2055457200
Mercedes W205 Radio Stereo Head Unit Mount Bracket Holder Support A2055457200
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0025421219
Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219
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€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. FV6T-14A280
Ford Transit Connect Cable Alternator Starter Motor Battery Wiring FV6T-14A280
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9327318
BMW 1 2 3 4 5 F10 F20 F22 F30 F32 Navigation Sat Nav DAB Head Unit High 9327318
Promo price
€237.95
€202.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A6395400150
Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400150
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9812297
Mini R55 R56 R57 Air Module ECU Control Unit Module 9812297
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8691838-1
Mini F54 F55 F57 B48 136HP Petrol Engine Control ECU Kit DME 8674258 Manual
€284.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A9066800214
Mercedes Sprinter W906 Radio Fan Adapter Cooling Control Unit Module A9066800214
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. JK2T15K868AB
Ford Transit Custom Rear Bumper PDC Cables Wiring Loom Harness JK2T-15K868-AB
€47.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7634061
BMW F10 Engine Transmission Module Cable Loom Wiring Harness 7634061
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A9108805600
Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9269896
BMW X3 F25 Business CD Radio Player Head Unit Control 9269896
Promo price
€165.95
€141.06
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 5A0FAD6
BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6953424-3
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6842986
BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 6842986
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A1779002510
Mercedes W177 W247 Safety Module Air Module SRS Control Unit ECU A1779002510
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A0061514401
Starter Motor Mercedes W204 W211 W212 OM642 Diesel Engine A0061514401
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9165623
BMW X5 X6 Series E70 E71 Airbag Control ECU Unit Module 9165623
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 36100-2A550
Kia Sportage 3 1.7 Diesel Engine Starter Motor Denso 36100-2A550
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7579136
BMW Mini Cooper S R56 Automatic Gearbox ECU Control Unit EGS Module 7579136
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K9035225A
Antenna Amplifier Audi A4 S4 B8 Radio Aerial AM/FM 8K9035225A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1729002301
Mercedes SLK R172 Door Control Unit Module Front Left N/S A1729002301
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 03L906018DT-1
Audi TT 8J 2.0 TDI 170HP CFGB Engine ECU Unit Kit 03L906018DT Manual
Promo price
€113.95
€96.86
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2059007521
Module Mercedes W205 Air Conditioning A/C System Control Module A2059007521
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 07
If paid before 14:00
-5%
Part no. 7835123
BMW E60 E61 LCI M5 E63 M6 Wiring Harness Air Conditioning Compressor
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9166897
Audio Amplifier HiFi BMW E87 E90 Top Sound System Control Unit 9177752
Promo price
€522.95
€313.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8590045
BMW G20 G21 G01 G02 B47B B47D Engine Injector Module Wiring Harness 8590045
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7641652
Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2139008822
Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2054400534
Mercedes C205 Bumper PDC Wiring Loom Rear Parking Sensor A2054400534
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8380407-1
BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2215400850
Mercedes W221 Fuse Box Relay Control Unit Module A2215400850
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6819653
BMW X5 F15 Fuse Box Front Body Control Module ECU BCM Unit 6819653
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7793200
BMW E90 E91 E92 E93 X5 E70 X6 E71 Engine Starter Motor Alternator Cable 7795640
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8576333-5
BMW F20 F30 120d 320d N47N 163HP Engine Control Unit ECU DDE 8576333 Manual
€56.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 5A70A69
BMW F40 Parking Module Comfort Control Unit ECU 5A70A69
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2048701226
Mercedes S204 Door Module Rear Right O/S Control Unit ECU A2048701226
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1729006008
Mercedes W204 W212 W176 Media Interface Control Unit Module A1729006008
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A0005456616
Mercedes W212 Automatic Gearbox EGS Control Module Unit ECU A0005456616
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7549284
BMW E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9281517
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 03E971612AE
Volkswagen Polo 6R Mk5 Engine Wiring Loom Harness Cable 03E971612AE
€123.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6949450
BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7182396
BMW X5 E70 E90 E91 LCI Control Unit Xenon Adaptive Headlight 7189311
Promo price
€51.95
€44.16
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9259581
BMW X3 F25 Map Card Fuse Box Grouping Diagram 9259581
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9110621
BMW 3 Series E90 E92 LCI Suppression Filter for Antenna 9110621 652 9110621
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9280185
Air Module BMW F10 F11 F01 F02 F03 LCI Control Unit ECU 9280185
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118205885
Mercedes E-Class S-Class W211 W220 Nokia Phone Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8581751
BMW F40 MINI F56 F57 F60 Engine Control Unit ECU Box Top Cover Shield 8581751
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8K0907063DH
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1679006613
Mercedes W177 Sliding Roof Module Sunroof Panoramic Control Unit A1679006613
Promo price
€99.95
€84.96
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9344087
Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 5Q0959595M
Audi Q2 GA Front Door Module Control Unit Controller Passenger Side 5Q0959595M
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9253209
BMW E81 E87 LCI E90 E91 N43 DC/DC Wandler Torque Converter Module ECU 9253209
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8W1907063AG
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AG
€284.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7570299
BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7570299
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. H1BT18B955EF
Ford Transit Custom Mk1 Dashboard Radio Head Unit Display H1BT-18B955-EF
€94.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9287535
CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7075946
BMW 5 7 Series E60 E61 E65 Front Seat Backrest Adjustment Drive Memory 7075946
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7316147
BMW F30 F31 F34 Headlight Module Xenon Headlamp Control Unit Lear TMS 7316147
Promo price
€70.95
€60.31
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118703185
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9273584
Seat Belt Module BMW E92 F32 E61 Control Unit LCPA ECU 9273584
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9159806
BMW E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9159806
Promo price
€80.95
€48.57
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2048701126
Mercedes S204 Door Module Rear Left N/S Control Unit ECU A2048701126
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2056186000
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186000
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 07
If paid before 14:00
-5%
Part no. 6887358
BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 07
If paid before 14:00
-15%
Part no. A2135402870
Ground Cable Mercedes C238 Fuse Box Wire Prefuse Box Wiring A2135402870
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7848467
Engine Wiring BMW F80 M3 F82 F83 M4 S55 Loom Module Harness Cable 7848467
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9459681
Seat Module BMW F20 F30 F32 F33 X1 F48 X5 F15 Front Control Unit ECU 9459681
Promo price
€151.95
€91.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2465406809
Mercedes W176 W246 Wiring Loom Cable Door Rear Left Right N/O/S A2465406809
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. H1BT18K811LF
Ford Transit Custom Mk1 Radio Head Unit Control Panel H1BT18K811LF
€37.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6927312
BMW E60 E61 E65 E66 Front Seat Module Control Unit 6927312
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6949382
BMW E65 E66 Rear Door Wiring Harness Loom Cable 6949382
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7537612-1
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 06A903143P
Audi TT 8N Alternator Bracket Mount Holder 06A903143P
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 191937503
VAG VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 191937503
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9191408
BMW X1 Series E84 Wiring Cable Loom Set Rear Door Left Right N/O/S 9191408
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2038000178
Mercedes-Benz C CLK Class W203 C209 Vacuum Solenoid Valve A2038000178
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7648785
BMW i3 i01 Battery Cell Module Supervision Circuit Control Unit 7648785
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9140179
BMW F10 Radio Antenna Amplifier Suppression Filter 9140179
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
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 07
If paid before 14:00
-5%
Part no. 7636757
BMW F20 F21 F30 F31 N13 Protection Cap Engine Wiring Harness 7636756
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9228491
BMW 5 Series F10 ECU Body Control Module V2 Junction Box 61359228491 9228491
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9289582
BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
€165.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 3453247
BMW X3 E83 E90 Engine Automatic Gearbox Module Wiring Cable Loom Harness 3453247
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2215406562
Mercedes W204 Petrol Fuel Pump Control Unit Module A2215406562
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9326204
BMW X3 F25 B+ Distribution Box Battery Power Front Control Unit Point 9227458
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 .