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. 8803370
Display Screen Mini F55 F56 F60 Multimedia Navigation Sat Nav Unit 6,5" 8803370
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Mercedes W176 Front Crash Impact Airbag Sensor Pressure Sensor Unit A1769051000
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715450101
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 6822625
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Stereo DAB Radio Audi A4 B8 Q5 8R CD Player Radio Receiver Head Unit 4G0035083
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
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Audi S3 8V Module BCM Body Control Unit Module ECU 5Q0937084CP
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BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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Mercedes R171 Front Module Door Left N/S Control Unit A1718200726
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Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
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SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Land Rover Freelander 2 Fuse Box Body Control Module ECU BCM Unit 6G9T14D572LA
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BMW E60 E61 E63 E64 CAS2 ECU Control Unit Module 6943797 61356943797
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BMW X3 E60 E61 E83 PDC Parking Ultrasonic Sensor Rear Montegoblau Blue A51
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Radio Business CD BMW E81 E82 X1 E84 E87 E89 E90 E91 E92 Radio 9177209
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Mini Cooper R55 R56 R57 Harman Kardon HiFi Stereo Audio Speaker Set
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BMW 5 Series E60 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 6907395
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BMW E93 Convertible Rear Bumper PDC Cables Wiring Loom Set 9133625
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585
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BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
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Mercedes Sprinter W907 4-Pin Relay V23074-H1605-X123 A0019820823
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Hyundai H-1 2.5 CRDI Alternator Generator 373004A310
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BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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BMW E60 E61 CCC CD Professional Navigation System Controller 6949171
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Vauxhall Opel Insignia A 2.0 CDTI Alternator Engine Genarator 13579668
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BMW E60 E63 E64 On-Board Navigation Monitor Display Screen 6,5" 9145103
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Part no. A2049000600
Mercedes W204 Fuse Box Relay Control Unit SAM Module A2049000600
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Part no. 8R0919604A
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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Distance Radar Module Mercedes GLE W166 C292 Control Unit A0009059906
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Part no. 1 301 328 884
BMW 3 Series E92 LCI Headlight Inner LED Module Unit 1301328884 1307329329
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Part no. 6946989-2
Mini R50 R52 R53 6-Disc CD Changer Multichanger with Magazine 6946989
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Part no. 8K0959795B
Audi Q7 4L Door Control Module Unit ECU Rear Left Right N/O/S 8K0959795B
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Part no. 9226238-1
BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802F
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BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170
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Part no. 02M911024S
VW Golf MK7 5G Audi A3 8V Engine Starter Motor Valeo 2.0 TDI Diesel 02M911024S
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Mercedes W169 W639 COMAND Navigation Head Unit Radio Sat Nav Screen A1699007900
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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Audi A4 B7 2.7 TDI BPP Diesel Engine Alternator Generator 059903023BX
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BMW 1 3 Series E81 E87 E90 Business Navigation M-ASK System Controller
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BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
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BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
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Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
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Mercedes CL C216 W221 S500 Air Pneumatic Suspension Control Module A2215407962
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Part no. 9326010
Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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Part no. 9226347
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9226347
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Part no. 9310455
Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9310455
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Part no. 8581788
BMW F45 X1 F48 Mini Cooper F55 F56 F60 Diesel Engine Starter Motor 8581788
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Part no. 9369635
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
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BMW 1 3 Series E87 E90 120i 320i N46 ECU Kit DME CAS2 2 Keys 7545042 Manual
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BMW G01 G05 G20 G22 G30 G32 B57P Diesel Engine Starter Motor 8490093
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BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
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BMW F30 335i F32 F33 435i N55 306HP Engine Control ECU Kit 8639582 Automatic
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Part no. 231001822R
Renault Master III Opel Movano B 2.3 DCI CDTI Alternator Generator 231001822R
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Part no. A2129000206
Front Fuse Box Mercedes W204 C207 Relay Control Unit SAM Module A2129000206
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BMW E90 E91 LCI F10 Wiring Harness Engine Glow Module N57 7808257
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945146
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Part no. 8T0919603F
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603F
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Part no. 9247472-2
BMW E84 ECU Body Control Module Junction Box H2 9247472
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Part no. 03L903024M
Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M
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BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Part no. 8K0907063B
Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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Part no. 6792659
BMW X5 E70 X6 E71 Control Unit Dynamic Drive Front Axle Suspension 6792659
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Part no. 06K907425B-2
Audi TT FV 8S 2.0 TFSI CHHC 230HP Quattro Engine ECU Kit 06K907425B BCM Key
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Part no. 7540993
Alternator BMW X5 E53 Engine N62 Alternator Generator 14V 100/180A Valeo 7540993
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Part no. 8P0959801F
Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
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Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
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Part no. A0035464240
Mercedes W906 Distributor Box Battery Cable Unit A0035464240
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Door Module Mercedes C219 Front Door Right O/S Control Unit A2198202026
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BMW F31 F34 328i N20 245HP Engine Control Unit Module ECU DME 8610635 Automatic
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Part no. 9664055780
Peugeot 307 Fuse Box BSM Control Unit Module 9664055780
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Part no. 9278074
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Part no. 9388956
Mini Cooper One R56 R57 LCI Amplifier Hifi Harman Kardon 9217877
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Part no. A9105409455
Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
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Part no. 3457429
Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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Part no. 9224599
BMW 1 Series E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9224599
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BMW 3 E92 E92N LCI Amplifier Hifi Speaker System 9143162
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Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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VW Volkswagen Polo Gti 6R Golf Mk7 Alternator Generator 14V 140A 6J903023G
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465
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BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437
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BMW F10 F11 F12 ECU ICM Control Unit Module 6856874
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Mercedes X253 Front Bumper Parking Sensor Wiring Loom Cable Harness A2535402400
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Part no. 077911023-1
Volkswagen Touareg 7L Engine Starter Motor 077911023
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Part no. 7422700
Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
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Part no. 1436340
BMW E36 E46 Engine Bay Battery Cable Guide 1436340
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Part no. 9496817
Front Impact Sensor BMW F70 G05 G14 G15 U06 Safety Crash Module Unit 9496817
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Part no. 06L903027
Audi Q5 FY Alternator Generator Valeo 2.0 TFSI 06L903027
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Part no. 3455701
Mini R56 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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Part no. 9240527-1
BMW E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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Part no. 7640005-10
Mini R55 R56 N12 1.4 Petrol Engine Control Unit ECU Kit DME 7640005+CAS3+Keys
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Part no. A4479052505
Mercedes Vito W447 Rain Light Sensor Windscreen Control Unit A4479052505
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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 .