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. A2075452540
Mercedes-Benz E W207 Cabrio A207 Auxilliary Battery Bracket A2075452540
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Mercedes W204 W207 Wiring Loom Cable Harness AUX Jack A2048205015
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Volkswagen Touran 1T Central Gateway Module Control Unit Lear 1K0907530F
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit ECU DME 8600124 Manual
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BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
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BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox
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Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018
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BMW X3 E83 Light Lamp Switch Wiring Wire Cable Plug 3405795
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Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079012200
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI 9640825280
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Mini Cooper R55 R56 N12 DME Petrol Engine Control Unit ECU 7600020 Automatic
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Mini Cooper R56 LCI High SPEG PL3 H4 Fuse Distribution Box 3455439
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BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3450192
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BMW 5 6 Series E60 E61 E63 E64 Control Unit CAS 2 Module 6943851
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BMW E87 Footwell Light Module Control Unit NSW PL2 FRM II Lear 9166707
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Door Module Mercedes C219 Front Left Door N/S Control Unit Module A2198200626
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Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
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Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
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Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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Gateway Module Mercedes W211 Control Unit ECU A2115408545
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 6907395
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Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456987
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VW Volkswagen New Beetle 1.9 TDI BSW Diesel Alternator Generator 038903024F
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BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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Mercedes W202 C208 W208 Alarm Sensor Module Unit A2088206010
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BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7811701 CAS3 + Key Manual
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Mercedes R171 Central Gateway Module ECU Control Unit A1715404945
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Part no. 7515030-1
Mini Cooper S R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Volkswagen Touareg 7L Onboard Supply Comfort Unit Module Unit ECU 7L6937049M
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Part no. A9065450401
Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401
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Mini Cooper R57 PL3 SPEG H4 Fuse Distribution Box 3456911
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BMW Z4 Series E89 Front Bumper PDC Loom Cables Wiring Set 9225771
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Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
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Audi A3 8P 2.0 TDI CBAB 140HP Engine ECU Kit Ignition + Key 03L906022BQ Manual
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Battery Cable BMW E90 E91 E92 E93 Wiring Negative Minus Pole IBS 7616200
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Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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BMW X5 E53 6-disc CD Changer Control Unit Module With Magazine 6977766
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Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283529
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BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265
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MINI One R50 R52 W10 90HP Engine Control Unit ECU Module DME 7557395 EWS Manual
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Mini Cooper One R50 Petrol W10 Engine Wiring Loom Harness Module 7533100
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BMW E60 E63 E64 On-board Navigation Monitor Display Screen 6,5"
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Part no. 7515029-1
Mini Cooper One R50 R52 Petrol W10 Compact Alternator RTX 7515029
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Mini Cooper R50 R52 Power Steering Pump Power Cables 7530354
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Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121533279 Key Automatic
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BMW Z4 E85 2.2i 2.5i 3.0i M54 Wiring Loom Harness Engine Module 7532036
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BMW E46 Control Unit Module Mirror Memory 6916054 61356916054
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Renault Master III Vauxhall Movano B 2.3 DCi Diesel Starter Motor 233003407R
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Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
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BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key
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Switch Cluster BMW E82 E88 E90 LCi Cruise Control Stalk Unit 9110882
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BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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Mini Cooper S R55 R56 Ignition Wiring Harness Injection Valve N14 7585950
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BMW E90 E91 E92 Longitudinal Dynamic Module Cruise Control 6775949
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Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
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Telematics Bluetooth BMW F10 F20 F22 F30 Combox GPS Control Unit Module 9257152
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Mercedes W203 Gearbox Transmission Control A0325451232
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Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
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Mini Cooper D R60 ALL4 N47N Diesel Engine Control Unit ECU DDE 8506666 Manual
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Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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Part no. 9230451-1
BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Part no. A0051513901
Kompressor Mercedes W203 W211 M271 Petrol Engine Starter Motor A0051513901
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Part no. A6519003403-3
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Part no. A9065453001
Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
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Part no. 3452678
Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3452678
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BMW X1 F40 F48 Mini F54 F60 USB Bush Dual Double Socket Plug 8711938
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Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9255065
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Part no. 3455539-2
Mini Cooper R55 R56 R57 2 Radio Boost CD Audio Player Head Unit 3455539
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Audi Q3 8U Display Screen Multimedia Navigation Sat 8U0857273B
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Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
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Mercedes S212 E250CDI BE OM651.924 204HP Engine Unit Module ECU Kit A6519005301
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Radio Player BMW F20 F21 F22 F30 F31 CD Bluetooth Head Unit Control 9310461
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Part no. 6942505
Mini R50 Battery Cable Positive Plus Pole Wiring W17 Diesel 6942505
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BMW X3 E53 E60 E61 E64 E65 X5 E83 Power Steering Speed Sensor 6774040
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual
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Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump ECU 7218339
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833
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Starter Motor Vauxhall Astra Vectra Insignia 2.0 CDTI Diesel Engine 55353857
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Mini R60 ALL4 N18 184HP Control Unit ECU DME Kit 7613226 + Key + CAS3, Manual
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
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Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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BMW E90 Light Control Module ECU LCM NSW Footwell PL2FRMFA 9166711
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Mini Cooper R56 LCI Footwell Light Module High EKS ECU FRM3R PL3 3457389
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Part no. AC1T10300BB
Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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Part no. 6978271
BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622
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Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
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Part no. 9133281
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Part no. A1718600105
Mercedes R171 Seat Air Module Control Unit Front Left N/S A1718600105
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Part no. 6990098
BMW X3 E83 LCi AMPLIFIER HIFI SYSTEM LEAR PL2 6990098 65126990098
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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 .