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.
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Part no. 7523897
Mini Cooper One R50 R52 Alternator Generator 100A Petrol 7523897
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BMW 3 Series E90 Footwell Light Control Module ECU NSW PL2 FRM II Lear 9153782
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Mercedes ML W166 GLE C292 SAM Module Control Unit ECU A1669006120
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Audi A1 8X 1.2 TFSI CBZA Petrol Engine Alternator Generator 04C903023L
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BMW X5 E70 Power Distribution Fuse Box Front Control Unit Module 6976384
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224
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BMW F45 X1 F48 i3 I01 Airbag Module Control Unit ECU Air Bag 9495910
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BMW E81 E87 E90 E91 E92 E93 6-disc CD Changer With Magazine 9133083
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BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R 9241008
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Mercedes R172 AMG SLC 43 276.822 Engine Control Module ECU Kit A2769007300
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Mercedes GLC X253 Central Display Dashboard Infotainment Screen A2539006905
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VW Volkswagen New Beetle 1.9 TDI BSW Diesel Alternator Generator 038903024F
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Land Rover Freelander TD4 Starter Motor Engine Actuator Diesel NAD101500
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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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Audi A4 S4 B9 A5 A5 F5 3.0 Petrol Alternator Generator 14V 150A 06E903024L
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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5"
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BMW Z4 E89 Central Information Display Dash Screen Navigation Monitor 9282022
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Peugeot 307 Citroen Berlingo C4 Glow Plug Wiring Loom Cable Wire 9657700780
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Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209
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Porsche Macan 95B Body Gateway Module ECU Control Unit 95B907530L
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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BMW 5 7 Series E60 E61 E65 E66 Front Driver Seat Angle Adjustment Drive 7075948
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BMW E39 Cruise Control Unit Module 8375497
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BMW F20 F21 M135i F30 F31 335i N55 Engine Control Unit ECU 8606776 Automatic
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Part no. 7557395-9
MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
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Mini Cooper One R50 R52 R53 Radio Boost CD Player Unit Head Control 6927904
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Volkswagen Polo MK5 6R 1.2 TDI CFWA Engine Unit Module ECU 03P906021A
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Citroen Relay III Air Module Sensor Control Unit ECU 12V 46859297
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Peugeot Partner Battery Starter Alternator Wiring Harness Cable 9803511080
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Footwell Module BMW E93 Light Control LCM PL2 FRM II 9166708
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451001
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Mini R55 R56 R57 LCI R58 R59 R60 MINI CD Radio Audio Player Head Unit 3456805
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BMW X3 X5 E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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Mercedes-Benz M ML W163 Rear Bumper Parktronic Wiring Loom Harness A1635402209
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465408032
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Part no. 7520019-4
BMW MINI Cooper R50 W10 116HP Engine ECU Kit DME + EWS + 2 Keys 7520019 Manual
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Seat Ateca Mk3 Headlight Module Headlamp Ballast Left Right N/O/S 7P5941591AH
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Audi A3 8V Door Wiring Harness Loom Rear Left N/S 8V5971687K
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Part no. 9476858
Airbag Module BMW G20 G21 SRS Control Unit Module ECU 9476858
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Part no. A2215401601
Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
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Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman 8E5035223
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Mini Cooper R55 R56 Wiring Cable Seat Heating Seat Occupancy Set 2754325
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BMW G30 G31 530dX 540dX Diesel B57 Engine Wiring Harness Supply Line 8590021
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Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
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Mini Cooper R55 R56 Petrol N12 120HP Engine Control Unit ECU DME 7589971 Manual
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Mini R60 Cooper SD N47N 2.0 143HP Engine ECU Kit DDE 8583423 CAS3 Key Manual
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Audi A4 B8 2.0 TDI Alternator Generator 03G903016G
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Part no. 8200527320-1
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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Volkswagen Golf 5 1K 2.0 TDI BMN 170HP Engine ECU Kit 03G906018FC 2 Key Ignition
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Audi A5 8T Starter Motor 3.0 TDI CCWA Diesel 059911021D
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Mercedes V251 SAM Body Control Module Rear Unit A1649007000
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Mercedes-Benz M ML W163 OM612 Engine Wiring Harness Loom Cable A1635402810
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BMW E60 E90 Dashboard Dash Onboard Display Monitor Screen Display 8.8" CCC
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Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 237103984R Manual
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Battery Clamp BMW F30 F31 F32 F80 Safety Positive Plus Pole Red 9208241
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Sound Amplifier BMW F80 M3 F82 M4 Hifi Audio Unit Active Sound Design 9398997
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Mercedes W205 C 220d BlueEFFICIENCY 651.921 170HP Engine ECU Unit A6519005203
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Mercedes C207 W212 Head Unit High Line Radio Sat Nav DVD Bluetooth A2129006709
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BMW 1 Series E87 Footwell Light Control Module Lear FRM3R PL2 9249080
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Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270646
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BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
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Part no. 7790548
BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
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Part no. 7567362-4
BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Manual
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Part no. CC1T-11000-AB
Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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Part no. A2045420523
PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523
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Part no. A2215402250
Mercedes W221 SAM Relay Fuse Box Module Control Unit ECU A2215402250
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Part no. 4E0919603K
Audi S8 D3 Multimedia Display MMI Mechanism Carbon Fiber Look 4E0919603K
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Part no. 3412238
BMW X3 Series E83 2.5i 3.0i M54 Automatic Gearbox Wiring Loom Harness 3412238
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9138430
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Part no. 9197161
BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
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Part no. 6933666
BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933666
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Part no. a2469004716
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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BMW 1 3 E87 E90 E91 E92 M47N2 M57N2 Alternator Bosch Diesel 150A 0 986 080 580
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Part no. A2215403862
Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862
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Part no. 06K903023G
Audi TT FV Engine Alternator Generator Electric 14V 150A 2.0 TFSI 06K903023G
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Part no. 3457168
Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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Part no. 8589145-8
BMW F46 220dX B47 190HP Engine Control Unit Module ECU DDE 8589145 Automatic
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Part no. 9230451
BMW 1 Series E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C
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Mercedes Sprinter W907 W910 Front Door Module Control Unit Left N/S A1679008405
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VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330
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BMW E90 LCI Footwell Light Control Module Lear FRM3R PL2 LED 9240532
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Mercedes W251 W211 Air Suspension Control Module Unit ECU A2515450316
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Mercedes C219 Gearbox Electronic Control Unit Module A2115406445
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Mini Cooper One R55 R56 1 Radio Boost CD Player Head Control Unit 3448827
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Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P
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BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222
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Starter Motor Mini Cooper One F54 F55 F56 F57 F60 B37 B47 Engine 8570845
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Part no. 1KO937125D
VW Volkswagen Caddy Maxi Fuse Box Control Unit Power Distribution 1KO937125D
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VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L
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VW Volkswagen Touareg 7L Mk1 ESP Relay Unit Grey 481 7L0927841
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Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Part no. 7561834-1
BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME 7561834 CAS2 Key Manual
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Part no. 9247474
BMW 1 Series E88 ECU Body Control Module H3 Junction Box PL2RR 9247474
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Part no. A2129000829
Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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Part no. 7605060-1
Engine Alternator BMW F20 F21 F30 LCI Generator Lucas 170A N13 Petrol 7605060
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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 .