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. A9075409482
Fuse Box Mercedes Sprinter W907 Prefuse Box Module Relay Holder A9075409482
Promo price
€47.95
€28.77
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2124407038
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124407038
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A2535402128
Mercedes X253 Starter Motor Wiring Harness Cable A2535402128
€66.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 7621860
Mini Cooper One R55 R56 R57 Control Unit Module Bracket Holder EGS 7621860
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A1665402102
Battery Cable Mercedes W166 C292 Starter Alternator Wiring Harness A1665402102
Promo price
€47.95
€28.77
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 1472984-2
Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9177985
BMW E88 ECU Body Control Module H3 Junction Box 9177985
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
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Part no. 8S0963553D
Volkswagen Skoda Seat Audi Seat Pressure Sensor Front Passenger Side 8S0963553D
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 8513249
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513249 Automatic
€85.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A2649000700-2
Mercedes W205 C 200 264915 264.915 184HP Engine ECU Module A2649000700 Automatic
Promo price
€246.95
€209.91
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. A0025421419
Mercedes A C E M W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. A6421509478-3
Mercedes W164 ML320 OM642.940 224 HP 4Matic Engine ECU Kit A6421509478 Automatic
Promo price
€279.95
€167.97
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. 6911003
BMW 1 3 X1 X3 X5 X6 SERIES E81 E82 E84 E87 E88 E90 Accelerating Sensor 6911003
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. A2129004518
Door Control Unit Mercedes W204 W207 W212 Front Left N/S Module ECU A2129004518
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. 6788716
BMW 7 Series E65 E66 E67 Steering Column Control Unit CIM Module
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
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Part no. 06J903023BX
Audi A1 8X Seat Leon Mk3 Cupra 5F Alternator Generator Petrol Engine 06J903023BX
Promo price
€94.95
€80.71
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. 9247468
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9247468
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. A0025428919
Relay Mercedes W176 W246 5-Pin Yellow Hella 12V A0025428919
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. 3401995
BMW X3 Series E83 M57N2 3.0d Diesel Cable Alternator-Starter-Base B 3401995
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
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Part no. A2055406304
Mercedes W205 Hybrid Battery Cable Starter Wiring Loom Harness A2055406304
Promo price
€32.95
€28.01
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 5A25FC9
BMW G30 Fuel Pump Module Control Unit ECU 5A25FC9
Promo price
€89.95
€53.97
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A0009063903
Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903
€113.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 6982388
BMW 1 3 Series E81 E82 E87 E90 E91 E92 Parking Control Module Unit PDC 6982388
Promo price
€94.95
€80.71
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 94520-4H0004X
Hyundai H-1 Dashboard Panel Digital Clock Watch Unit 94520-4H0004X
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2059007123
Mercedes W176 W212 W246 Telematics Communication Control Unit Module A2059007123
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A2661501233
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
Promo price
€56.95
€48.41
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2058200704
Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 4F0903291
Audi A6 C6 3.0 TDI Suppression Condenser Noise Filter 4F0903291
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 7374942
BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 7582309-1
Mini R55 R56 R60 R61 Engine Starter Motor Mitsubishi 7645594
€28.95
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A9079000304
Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304
Promo price
€66.95
€40.17
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A9065410400
Battery Bracket Mercedes Sprinter W906 W910 Mount Trim Holder A9065410400
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 8Y0963554B
Volkswagen Golf 8 Rear Seat Couch Occupancy Sensor Unit 8Y0963554B
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 7579155
Engine Starter Motor BMW X5 E70 LCI F07 X6 E71 N55 Petrol Denso 7579155
Promo price
€37.95
€32.26
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A2215408445
Mercedes W221 Radar Distronic Adaptive Cruise Control Sensor A2215408445
€379.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 8647255
BMW 1 2 Series F20 LCI F21 F22 Integrated Supply Module 8647255
Promo price
€27.95
€23.76
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 8638198
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8625241 Manual
€408.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 80A907159
Audi SQ5 FY Control Unit Module Active Sound Design 80A907159
Promo price
€85.95
€73.06
Free delivery - Fri, Oct 24
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 - Fri, Oct 24
If paid before 14:00
-40%
Part no. 8574372
BMW F30 F32 330d 430d Diesel N57N Engine Control Unit ECU DDE 8574372 Automatic
Promo price
€189.95
€113.97
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2229001814
Door Module Mercedes W205 X253 Rear Left N/S Control Unit A1698209126
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6863277
BMW F10 F11 LCI Electric Parking Brake Control Unit EMF Module 6863277
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 3413934-2
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness 1452049
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 8593105
BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105
€32.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A2079011800
Mercedes W204 W207 Control Unit ECU Sensor Module Air SRS Bag A2079011800
Promo price
€56.95
€48.41
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A0015452616
Mercedes W212 Transmission Control Unit Module VDO EGS 722.646 A0015452616
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6964140
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933264
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9274428
Mini Cooper F54 F55 F56 F57 F60 PDC Parking Sensor Ultrasonic Black 9274428
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. PEO118811
Mazda 6 GJ Relay 4-Pin Electrical Unit Multi-Purpose Relay Black ACVN51212
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 8510829-3
BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual
Promo price
€47.95
€28.77
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9231280-TS
BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354
Promo price
€37.95
€32.26
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 1472984-3
Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A2129008816
Mercedes X218 Radio Comand Navigation Seat Control Unit Module A2129008816
Promo price
€256.95
€154.17
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 4G0971845A
Audi A6 C7 Fuse Relay Box Sam Control Module 4G0971845A
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9322122-2
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9389560
Aerial Trap Circuit BMW G30 X3 G01 Antenna Amplifier Module Control Unit 9389560
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
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 - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9324779
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR-01 9324779
Promo price
€113.95
€96.86
Free delivery - Fri, Oct 24
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 - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6957762
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 7787581
BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9136725
BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136725
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 8648856
BMW F39 F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648856
Promo price
€47.95
€28.77
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6928975
Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 9857620
Door Wiring Mini F60 Cable Loom Rear Left Right N/O/S Harness 9857620
Promo price
€66.95
€40.17
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9304728
PDC Wiring BMW X3 F25 Front Bumper Loom Cable Harness Parking Sensors 9304728
Promo price
€89.95
€76.46
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A0005427700
Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 9355462
BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462
Promo price
€113.95
€68.37
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9217004
Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 1393415-1
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 7939175
Mini F54 F55 F56 F57 F60 Rain Light Solar HUD Sensor 9496244
Promo price
€66.95
€40.17
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 9120813
BMW E60 E61 Rear Right Left N/O/S Door Wiring Loom 9163173
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A0205457832
Mercedes W140 Parking Control Unit Module Sensor A0205457832
Promo price
€161.95
€97.17
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 5Q0959655L
Audi A3 8V Air Module Control Sensor ECU Unit 5Q0959655L
Promo price
€89.95
€76.46
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 02M911024J
Volkswagen Golf 7 Audi A1 A3 Seat Ibiza Petrol Engine Starter Motor 02M911024J
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A2641591400
Ignition Coil Mercedes W177 M260 Petrol Ignition Cable Connector A2641591400
Promo price
€37.95
€32.26
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. 9339192
BMW F45 F46 Battery Cable Positive Wire Lead Terminal 9339192
Promo price
€32.95
€28.01
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 6925642
BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 8486560
BMW F40 Steptronic Double Clutch Gearbox Transmission Control Module 8486560
Promo price
€227.95
€136.77
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 9241974
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9241974
Promo price
€80.95
€48.57
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A0141540402
Alternator Mercedes W164 OM272 Engine Alternator 180A 14V Valeo A0141540402
Promo price
€75.95
€64.56
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 6758750
BMW E60 E61 E63 E64 DSC Hydro Braking Pump Unit Speed Sensor
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 8510591-3
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8510591 CAS3 + Key Automatic
Promo price
€237.95
€142.77
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 6832062
BMW F10 F13 X3 F25 Wireless Charger Centre Console Phone Charging Module 6832062
Promo price
€75.95
€45.57
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 6850375-1
Speed Cluster Sensor BMW E87 LCI 130i E90 M3 E92 Yaw Rotary Rate Sensor 6850375
€23.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2761508800
Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. DE8T19H463DC
Ford Transit Connect Mk2 II Rain Sensor Control Unit Module FoMoCo DE8T19H463DC
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. 9290990
Head Unit BMW F20 F21 F30 Radio Professional CD Player Controller Module 9290990
€322.95
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2025402373-1
Mercedes A C E Class 1 W169 W203 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 1405523
Mini One D R50 R53 Cooper S Fuse Box 1405523
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A1638200089
Mercedes-Benz M-Class ML W163 Radio Aerial Antenna Amplifier A1638200089
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A2215408245
Mercedes W221 Air Suspension Control Unit Module ECU A2215408245
Promo price
€28.95
€24.61
Free delivery - Fri, Oct 24
If paid before 14:00
-15%
Part no. A2098209810
Mercedes CLK A209 Cabrio Alarm Anti Theft System Control Module Unit A2098209810
Promo price
€32.95
€28.01
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 7M0951253A
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 7M0951253A
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. 02Z911024H
Volkswagen Passat B7 Starter Motor Actuator TDI Diesel Engine 02Z911024H
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. A9079003303
Mercedes W907 Front Radar Distance Control Unit Module A9079003303
Promo price
€132.95
€79.77
Free delivery - Fri, Oct 24
If paid before 14:00
-5%
Part no. A2701590042
Ignition Coil Mercedes W176 M270 Petrol Ignition Cable Connector A2701590042
Promo price
€23.95
€22.75
Free delivery - Fri, Oct 24
If paid before 14:00
-40%
Part no. 4F0959760
Audi A6 C6 Front Seat Control Memory Module Front Left N/S 4F0959760
Promo price
€142.95
€85.77
Free delivery - Fri, Oct 24
If paid before 14:00
Part no. A2049012704
Mercedes W204 ECU Control Unit Crash Impact Sensor Air Module A2049012704
€23.95
Free delivery - Fri, Oct 24
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 .