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

-5%
Part no. 5Q0971250AB
Audi A3 S3 8V Negative Battery Terminal Earth Cable Lead Wiring 5Q0971250AB
Product currently unavailable

-5%
Part no. 4G8959793E
Audi A6 C7 Front Door Control Module Unit ECU Driver's Side 4G8959793E
Product currently unavailable

-5%
Part no. 6941445
BMW E63 E64 Bluetooth Cable Hands Free Telephone Microphone Unit 6941445
Product currently unavailable

Part no. 6947416
BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6947416
Product currently unavailable

Part no. 6971958
BMW 3 Series E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 6971958
Product currently unavailable

Part no. A6519007103-2
Mercedes Sprinter W907 311 CDI 651.958 114HP Engine Control Unit ECU A6519007103
Product currently unavailable

Part no. A1715451301-1
Mercedes SLK R171 Roadster Fuse Box Control Unit SAM Module Relay A1715451301
Product currently unavailable

Part no. A2059004236
Mercedes W205 Harman Radio Stereo CD Player Audio Sat Head Unit A2059004236
Product currently unavailable

Part no. 7115654
BMW E60 E61 Rear PDC Parking Sensor Mysticblau Mystic Blau Blue 7115654
Product currently unavailable

Part no. 96665877ZD
Peugeot 3008 Head-Up Display Hud Project Dash Screen Control Unit 96665877ZD
Product currently unavailable

-15%
Part no. A6394408637
Mercedes W639 Rear Bumper PDC Wiring Parking Sensor Loom Harness A6394408637
Product currently unavailable

Part no. A6421501230
Mercedes C219 CLS350 CDI OM642.920 Engine Module ECU A6421501230 Automatic
Product currently unavailable

Part no. 9195756-2
BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
Product currently unavailable

Part no. 6942101
BMW E64 E89 B-pillar Sensor Left N/S 6942101 6945157
Product currently unavailable

Part no. 3457031-1
Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457031
Product currently unavailable

Part no. A2389000501
Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501
Product currently unavailable

Part no. 8K0907801L
Audi S5 8T Parking Electric Brake Handbrake Module Control Unit 8K0907801L
Product currently unavailable

Part no. 8W0035454A
Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454A
Product currently unavailable

Part no. 8K0959795B
Audi Q7 4L Door Control Module Unit ECU Rear Left Right N/O/S 8K0959795B
Product currently unavailable

Part no. 9292707
BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707
Product currently unavailable

Part no. 7809955-4
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
Product currently unavailable

Part no. 6801102
Mini Cooper One R50 R52 R53 Front Loudspeaker Speaker 6801102
Product currently unavailable

-15%
Part no. 6974021
BMW X1 E81 E87 E88 E90 E91 Parking Control Module Unit PDC 6974021
Product currently unavailable

Part no. 9187108
BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional Autoradio CD 9187108
Product currently unavailable

-5%
Part no. 02E911024A
Audi A3 8V 2.0 TDI Engine Starter Motor Bosch 02E911024A
Product currently unavailable

Part no. A0035452405
Relay Mercedes W124 E280 Petrol Fuel Pump Cut Off Relay A0035452405
Product currently unavailable

Part no. 4461712-1
Ford Transit MK6 2.4 Diesel Engine Alternator Generator 4461712
Product currently unavailable

Part no. 9187539-1
BMW 1 Series E87 ECU Body Control Module H2 Junction Box PL2 JBBFE II 9187539
Product currently unavailable

-5%
Part no. 9284331-3
Roof Light Mini R55 R56 R60 R61 Operating Control Unit Switch 3455632
Product currently unavailable

Part no. 9210510
BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510
Product currently unavailable

-15%
Part no. 9253111-3
Battery Cable BMW F20 F21 F22 Red Positive Plus Pole Blow Off 9253111
Product currently unavailable

Part no. A0185454132
Mercedes W202 Ignition Engine Control Unit Module C180 M111 Petrol A0185454132
Product currently unavailable

Part no. A2124401251
Door Cable Mercedes W212 Wiring Loom Front Right O/S Driver Side A2124401251
Product currently unavailable

Part no. 8645326
BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Generator Unit 14V 190A 8645326
Product currently unavailable

-5%
Part no. A2119820402
Mercedes CLS W219 Battery Fuse Box Control Unit Module A2119820402
Product currently unavailable

Part no. 9367702
BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702
Product currently unavailable

Part no. 9216275
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275
Product currently unavailable

Part no. A1769051000
Mercedes W176 Front Crash Impact Air Module Sensor Unit A1769051000
Product currently unavailable

Part no. 8E9035223D
Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
Product currently unavailable

Part no. A0034466040-2
Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys
Product currently unavailable

Part no. 1K0953549AF
VW TOURAN 1T Steering Angle Steering Wheel Column Control Module ECU 1K0953549AF
Product currently unavailable

Part no. A1645450847
Mercedes-Benz M-Class ML W164 Parktronic Unit Module Bracket Mount A1645450847
Product currently unavailable

Part no. 7545789-6
Mini One R50 W10 90HP Engine Control Unit ECU DME 7545789 Manual Transmission
Product currently unavailable

Part no. 6933021
BMW 7 Series E65 E66 Safety Information Module Airbag 6933021
Product currently unavailable

Part no. A2469002718-1
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718
Product currently unavailable

Part no. 9240643
BMW E70 E90 E91 E92 DVB-T TV Tuner Module Control Unit Video FUBA 9240643
Product currently unavailable

Part no. 2S7T11000DC
Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
Product currently unavailable

Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
Product currently unavailable

Part no. 9396830
BMW F06 F12 F13 E63 Antenna Module Multi band Antenna GPS TEL Left N/S 9396830
Product currently unavailable

Part no. 3404171
BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171
Product currently unavailable

Part no. 3452226
BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226
Product currently unavailable

Part no. 7809001-1
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key
Product currently unavailable

-40%
Part no. 7812502-1
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
Product currently unavailable

Part no. 1508931
Mini Cooper S R53 Positive Battery Cable Plus Pole Wire 1508931
Product currently unavailable

Part no. 6938211
BMW 3 Series E90 E91 M3 Wiring Loom Front Door Right Driver's Side 6938211
Product currently unavailable

Part no. 6987998-1
BMW E90 Light Module ECU LCM Footwell Module PL2FRMFA 6987998
Product currently unavailable

Part no. 9289582
BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
Product currently unavailable

Part no. 7619335-1
Mini One R56 LCI R60 N16 Engine Control Unit ECU DME 7619335 CAS3 + Key Manual
Product currently unavailable

Part no. A2124401651
Door Cable Mercedes W212 Wiring Loom Front Left N/S Passenger Side A2124401651
Product currently unavailable

-40%
Part no. A2049006009
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049006009
Product currently unavailable

Part no. 3455895-1
Mini Cooper One R57 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
Product currently unavailable

-5%
Part no. A1635401630
Mercedes-Benz M ML W163 Battery Positive Plus Terminal Lead Cable A1635401630
Product currently unavailable

Part no. rhd-A2135407144
Mercedes W213 Front Left N/S Door Electrical Wiring Harness A2135407144
Product currently unavailable

Part no. A1699000100
Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
Product currently unavailable

Part no. A2218208089
Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
Product currently unavailable

Part no. 9249081
BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
Product currently unavailable

Part no. 6983307
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
Product currently unavailable

Part no. A2731532979-1
Mercedes W221 S500 M273.961 388HP Engine Control Unit ECU Kit A2731532979 Key
Product currently unavailable

Part no. A9065454301
Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301
Product currently unavailable

Part no. 8K0955559D
Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 8K0955559D
Product currently unavailable

-5%
Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
Product currently unavailable

Part no. YC1U-11000-AF-2
Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AC
Product currently unavailable

Part no. A6399005400-2
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
Product currently unavailable

Part no. 8510221-15
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
Product currently unavailable

Part no. 9193747
BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
Product currently unavailable

Part no. 6C1T-14B056-AD
Ford Transit Mk7 Airbag Module ECU Control Unit Air Bag 6C1T-14B056-AD
Product currently unavailable

Part no. A6291500450
Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450
Product currently unavailable

-5%
Part no. 6G9T14B534BL
Land Rover Freelander 2 Module ECU Door Lock Control Unit Module 6G9T-14B534-BL
Product currently unavailable

Part no. 03P906021A
Volkswagen Polo MK5 6R 1.2 TDI CFWA Engine Unit Module ECU 03P906021A
Product currently unavailable

Part no. 9228272
Telematics Module BMW F01 F07 F10 F12 Bluetooth Control Unit ECU 9228272
Product currently unavailable

Part no. 2754325
Mini Cooper R55 R56 Wiring Cable Seat Heating Seat Occupancy Set 2754325
Product currently unavailable

Part no. 9138440
BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
Product currently unavailable

Part no. 6965046-1
CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046
Product currently unavailable

Part no. A0051516601-1
Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
Product currently unavailable

Part no. 9289118
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional DAB Unit 9289118
Product currently unavailable

Part no. 059911024J-1
Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
Product currently unavailable

Part no. 9352865
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9352865 Manual
Product currently unavailable

Part no. 9119847
BMW 1 3 Series E81 E87 E90 Business Navigation M-ASK System Controller
Product currently unavailable

Part no. A2028200926
Mercedes W124 E280 Comfort Control Module Unit ECU A2028200926
Product currently unavailable

Part no. 9151341
Battery Cable BMW F12 F13 Underfloor Positive Plus Lead Wiring Harness 9151341
Product currently unavailable

Part no. 8519667-1
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE CAS3 + Key 8512047 Automatic
Product currently unavailable

Part no. 8H0035225S
Audi A4 B7 Aerial Antenna Amplifier Module Left N/S 8H0035225S
Product currently unavailable

Part no. 2C1A12A650EA
Ford Transit MK6 2.4 TDDI Diesel Engine Control Unit ECU 2C1A12A650EA Manual
Product currently unavailable

Part no. 7588620
BMW E60 E90 325i 525i N53 218HP ECU Engine Control Module DME 7588620 Automatic
Product currently unavailable

Part no. A2039000100-1
Head Unit Mercedes CL203 CLC CD Player Radio Audio Telephone Unit A2039000100
Product currently unavailable

Part no. A1669006311
Mercedes W166 Tailgate Control Module Unit A1669006311
Product currently unavailable

Part no. 8378107
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8378107
Product currently unavailable

Part no. A9069006701
Mercedes Sprinter W906 SAM Module Fuse Box Relay Control Unit A9069006701
Product currently unavailable

Part no. 2225309
BMW Mini R60 R61 Wiring Loom Harness Instrument Panel Dashboard Cable 9810870
Product currently unavailable
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 .