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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BMW X5 E70 Front Bumper PDC Wiring Loom Cable Harness 6970675
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BMW E60 E61 Rear PDC Parking Sensor Mysticblau Mystic Blau Blue 7115654
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BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328
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BMW 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108
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BMW 3 E92 E92N LCI Amplifier Hifi Speaker System 9143162
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Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
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Diversity Antenna Amplifier Mini F57 Convertible DAB Module Unit 9309991
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Mercedes Vito W639 651.940 116 CDI 163HP Engine ECU Kit A6511501879 Lock + Key
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Battery Cable BMW E90 E91 E92 E93 Positive Lead Battery Wiring Harness 6938504
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Audi A4 B7 A6 C6 Alternator Generator 1.9 TDI Diesel 06F903023HX
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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BMW Mini 1 R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
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BMW F30 F32 LCI 335dX 435dX N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Renault Trafic 3 BSI BSM Body EMM-T4 L3 Control Unit Module 231A08052R
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BMW F30 Front Light Lamp Adaptive Xenon Control Unit Module LEAR 7316142
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BMW F20 F21 F30 F31 LCI Professional Navigation Sat Nav Unit Head Unit 8794119
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BMW X3 F25 X4 F26 Head Unit Basis Media Navigation System Controller DAB 9399454
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Ford Transit Mk7 2.2 TDCi Engine Wiring Harness Cable Loom 6C1T-9K499-AHC
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Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
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Skoda Fabia 5J Dance CD Player Audio Stereo Radio Head Unit 5J0035161A
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Audi Q3 8U A1 8X SD Card Map Pilot Navigation Europe 2013 8X0919884E
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BMW 1 Series E87 LCI Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P
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BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
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Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B
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Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
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Part no. 8XA035192C
Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C
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Audi A5 F5 45 TFSI QUATTRO Starter Motor Engine Denso 06H911024C
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BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Part no. 4G0907355G
Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
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BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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Part no. A2661539679-1
Mercedes W169 W245 B170 M266.940 116HP Engine Control Unit Set A2661539679
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Part no. 9464652
Mini Cooper One F57 Convertible Folding Top Control Unit Module CVM 7457434
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Mercedes ML W166 Radio Stereo CD Player Audio Sat Nav Head Unit A1669000213
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Ford Transit Battery Relay Module Control Unit 12V 8C1T-10B728-AC
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Head Unit Mercedes GLA X156 Radio Media Player Navigation Switch A2469000816
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Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224
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Audi A4 B7 2.0 TDI Starter Motor Engine Diesel 03G911023A
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MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
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Mercedes R171 Convertible Roof Top Control Unit Module ECU A1718204226
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801A
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Audi A6 C6 6-Disc CD Changer Magazine Head Unit MMI 6946989
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Volkswagen Golf CD1 Antenna Amplifier Transmitter Receiver Module ECU 5WA035741B
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Ford Transit MK8 2.2 TDCI Diesel Engine Control Unit Module ECU BK31-12A650-BB
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BMW E60 LCI 530d X5 E70 3.0d M57N2 Engine Control Unit ECU DDE 8509035
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Land Rover Freelander 2 Module ECU Door Lock Control Unit Module 6G9T-14B534-BL
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Mercedes-Benz W245 Front Bumper Parking Distance Sensor Parktronic Kosmos Black
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Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302
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Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181C
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Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601
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Part no. 6866330
VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330
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Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual
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Audi A6 4F C6 3.0 TDI Diesel Starter Motor Bosch 0001109319 059911024D
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Audi A4 B8 Starter Alternator Wiring Loom Cable Harness 8K0971228F
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Part no. 9240524
BMW E88 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
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Part no. 9346806
BMW F01 F02 F03 LCI F06 F10 F13 Antenna Amplifier Diversity 868 MHZ 9346806
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Part no. 6919270-2
Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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Part no. A6519007401-8
Mercedes C204 C250CDI OM651.911 204HP BlueEFFICIENCY Engine ECU Unit A6519007401
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Part no. 8P0919475F
Audi TT 8J Parking Distance Sensor Control Unit Module Rear 8P0919475F
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Part no. A2045450169
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
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Part no. 6907123
BMW 3 Series E46 Coupe Saloon Aerial Antenna Amplifier Diversity 433MHZ 6907123
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Part no. 6910597
BMW E46 Positive Battery Cable Plus Pole Lead 6910597
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Part no. 9259730
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
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Part no. 9144776
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9144776
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Part no. 04L907309B
Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
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Part no. 9246502
BMW E87 E90 LCI Car Radio Professional CD Radio Head Unit Bluetooth 9246502
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Part no. 7797521
BMW E60 E61 E63 E65 E83 Alternator Generator VALEO 170A 7797521
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Part no. 6954276
Mini Cooper R50 One R53 S Drive Window Lifter Motor Front Right O/S 6954276
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Part no. 6920461
BMW E60 E61 E63 E65 Amplifier Stereo HiFi Harman/Becker 6920461
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Part no. 8516262
BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
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Part no. 6841702
BMW X3 G01 Power Battery Distribution Junction Box Control Unit Rear 6841701
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Part no. A2118707226
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
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Part no. A6461500977-1
Mercedes Vito W639 646.980 Engine Unit ECU Kit A6461500977 Key Lock Automatic
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Part no. 6983843
BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
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Part no. 9308365
BMW X1 E84 Footwell Light Control Unit Module ECU Lear FRM3R PL2 9308365
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Part no. A2035454901-1
Mercedes CL203 Fuse Box Control Unit Module SAM A2035454901
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Mercedes W639 109CDI 646.980 Engine ECU Kit Ignition + Key + Lock A6461507272
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Audi TT 8J Radio CD Player Professional Audio Concern Head Unit 9199439
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BMW F20 F21 F30 F31 118d 318d B47 150HP Engine Control ECU DDE 8473185 Manual
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BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617
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Mercedes W177 W247 Battery Bracket Battery Mount Holder Trim A2475451000
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Mercedes W176 Front Crash Impact Air Module Sensor Unit A1769051000
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Mini Cabrio R57 Roof Operating Unit Light Switch Panel 3450545
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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
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Part no. A2123200558
Mercedes W212 Valve Block AMG Air Suspension Control Unit Module A2123200558
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Part no. 2241239-SGM
BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Part no. 8E0971687L
Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L
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Part no. 7573701
Mini Cooper R56 N12 1.6 120HP Petrol Engine ECU Kit DME 7573701 CAS3 + Keys
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Part no. A6421506691-1
Mercedes W164 ML280 CDI OM642.940 Engine Control Unit ECU Kit A6421506691 Key
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Part no. A2095452001
Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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Part no. 240113809R
Engine Wiring Renault Trafic II Loom Harness Module 240113809R
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Part no. 6968832
BMW E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 6968832
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Part no. 7542529-3
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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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 .