Automotive electrical systems

At 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.

More information

Make

Category

Subcategory

Condition

In Stock

Price

Products in promotion

Part no. 4G0035061S

Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061S

Product currently unavailable

Part no. 4H0907441A

Audi A8L 4H Rear View Backup Camera Control Unit Module 4H0907441A

Product currently unavailable

Part no. 8H0035225S

Audi A4 B7 Aerial Antenna Amplifier Module Left N/S 8H0035225S

Product currently unavailable

Part no. 5Q0959595L

Audi A3 8Y Rear Door Control Module Unit ECU Driver's Side Right O/S 5Q0959595L

Product currently unavailable

Part no. 4F0959651

Audi A6 C6 Front Impact Sensor Safety Crash Detection Module Unit 4F0959651

Product currently unavailable

Part no. 8T0035223AN

Audi S5 8T Amplifier Speaker Bang & Olufsen Control Module Unit 8T0035223AN

Product currently unavailable

Part no. 5Q0937084AJ

Audi A3 8V Body Control Comfort Unit Module BCM Unit ECU 5Q0937084AJ

Product currently unavailable

Part no. 8T0907441D

AUDI A4 B8 Reversing Camera Control Module Rear View Unit ECU 8T0907441D

Product currently unavailable

Part no. 03L911021G

Audi A4 B8 A5 8T A6 C7 Starter Motor Actuator Bosch Diesel Engine 03L911021G

Product currently unavailable

Part no. 03L903023

Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023

Product currently unavailable

Part no. 8E0959651

Audi A4 S4 B6 A7 4B Crash Impact Sensor 8E0959651

Product currently unavailable

Part no. 8P0959433C

Audi S3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433C

Product currently unavailable

Part no. 4H0959655C

Audi A6 C7 2.0 TDI SRS Air Module Control Unit Sensor ECU 4H0959655C

Product currently unavailable

Part no. 8X0959655A

Audi A1 8X Air Module Sensor Control Unit Module 8X0959655A

Product currently unavailable

Part no. 06A905409P

Audi A3 8P 1.6 MPI Ignition Wiring Loom Harness Set 06A905409P

Product currently unavailable

Part no. 04L911024A

Audi A4 B9 2.0 TDI DETA Engine Starter Motor Actuator Starter 04L911024A

Product currently unavailable

Part no. 03G903016N

Audi A6 C6 2.0 TDI Alternator Generator 180A 14V Diesel Engine Unit 03G903016N

Product currently unavailable

Part no. 03L903017B

Audi Q5 8R 2.0 TDI Quattro Alternator Generator 03L903017B

Product currently unavailable

Part no. 4F0915459

Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459

Product currently unavailable

Part no. 8X0919475N

Audi Q3 8U PDC Assistance Parking Distance Control Module Unit ECU 8X0919475N

Product currently unavailable

Part no. 04E903023K

Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator Valeo 04E903023K

Product currently unavailable

Part no. 4L0910110B

Audi Q7 4L CD Player Changer Multimedia Module Control Unit 4L0910110B

Product currently unavailable

Part no. 5WA035282

Audi Q2 GA Online Services Control Module ECU Control Unit 5WA035282

Product currently unavailable

Part no. 8K0907289C

Audi A5 8T BCM Body Comfort Convenience Module Unit ECU 8K0907289C

Product currently unavailable

Part no. 1S0919275D-BLK

Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D

Product currently unavailable

Part no. 4F0971845A

Audi A6 C6 Comfort Body Module Fuse Relay Box Control Unit 4F0907289J

Product currently unavailable

Part no. 4L0907289C

Audi Q7 4L Quattro S Line Comfort Module Convinience Control Unit 4L0907289C

Product currently unavailable

Part no. 4G0907397Q

Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q

Product currently unavailable

Part no. 4F0035110A

Audi A6 C6 CD Player Changer Multimedia Module Control Unit 4F0035110A

Product currently unavailable

Part no. 4G0907637

Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637H

Product currently unavailable

Part no. 6C0915181B

Audi A1 8X Negative Battery Terminal Earth Cable Lead 6C0915181B

Product currently unavailable

Part no. 8V7959255

Audi A3 8V Cabrio Folding Top Roof ECU Module Control Unit 8V7959255

Product currently unavailable

Part no. 4G0919129C

Audi A8L 4H TV Tuner Digital Video Control Module 4G0919129C

Product currently unavailable

Part no. 4E0035652A

Audi A6 C6 MMI Multimedia Sat Nav Navigation Control Head Unit 4E0035652A

Product currently unavailable

Part no. 059911024H

Audi Q7 4L 3.0 TDI Quattro Engine Starter Motor Actuator Starter 059911024H

Product currently unavailable

Part no. 5Q0962131

Antenna Control Module Audi Q3 RSQ3 F3 Line Keyless Entry 5Q0962131

Product currently unavailable

Part no. 04L907309R-2

Audi A3 8V 1.6 TDI 110HP DBKA Engine ECU 04L907309R Manual

Product currently unavailable

Part no. 4G0035061N

Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N

Product currently unavailable

Part no. 4G0907468AC

Audi A6 C7 Central Gateway Control Unit Module Relay ECU 4G0907468AC

Product currently unavailable

Part no. 8K0919475B

Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B

Product currently unavailable

Part no. 8S0907159

Audi TT FV Impact Body Sound Accoustic Control Module ECU 8S0907159

Product currently unavailable

Part no. 03G903016G

Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G

Product currently unavailable

Part no. 5Q0959651B

Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651B

Product currently unavailable

Part no. 5Q0959593B

Audi A3 8V Door Module Control Unit Front Driver Side 5Q0959593B

Product currently unavailable

Part no. 1K0907530Q

Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q

Product currently unavailable

Part no. 8E0959433CR

Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ

Product currently unavailable

Part no. 4F0907289N

Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G

Product currently unavailable

Part no. 06J903023B

Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B

Product currently unavailable

Part no. 8XA959655A

Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A

Product currently unavailable

Part no. 4M0907355B

Audi A4 B9 TDI Diesel Adblue Dosing Module Control Unit 4M0907355B

Product currently unavailable

Part no. 4M0907355E

Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E

Product currently unavailable

Part no. 8P0862335H

Audi A4 B7 Bluetooth Interface Phone Conectivity Control Module 8P0862335H

Product currently unavailable

Part no. 4F0919603

Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603

Product currently unavailable

Part no. 4F0919603B-1

Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B

Product currently unavailable

Part no. 06M907309D

Audi A4 S4 B9 3.0 TFSI 355HP CWGD Quattro Engine Control Unit ECU 06M907309D

Product currently unavailable

Part no. 02A911023

Audi A3 8P Starter Motor Engine Diesel Actuator Unit 02A911023 LRS00791

Product currently unavailable

Part no. 079911021D

Audi Q7 4L Engine Starter Motor Actuator Starter 079911021D

Product currently unavailable

Part no. 4G0035061Q

Audi Q5 8R Multimedia Radio Control Module Head Unit 4G0035061Q

Product currently unavailable

Part no. 4F0907468N

Audi Q7 4L Diagnostic Interface Gateway Control Module Unit ECU 4F0907468N

Product currently unavailable

Part no. 5Q0971250N

Audi A3 8V Volkswagen VW Golf Mk7 Negative Cable Ground Wire Harness 5Q0971250N

Product currently unavailable

Part no. 04L903017A

Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A

Product currently unavailable

Part no. 8K0959795C

Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C

Product currently unavailable

Part no. 4L0035223J

Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J

Product currently unavailable

Part no. 355013 ampassy 5631b6

Audi A4 B7 Audio Sound System Amplifier Bose 355013 5631B6

Product currently unavailable

Part no. 4L0035223D

Audi Q7 4L Quattro Audio Sound BOSE Amplifier Stereo System Module 4L0035223D

Product currently unavailable

Part no. 8T2035666D

Audi A5 8T CD Player Radio Multimedia MMI Head Unit ECU 8T2035666D

Product currently unavailable

Part no. 4L1937503

Audi Q7 4L Fuse Relay Box Module Electrical Control Unit 4L1937503

Product currently unavailable

Part no. 02E911024H

Volkswagen Seat Skoda Audi 2.0 TDI Diesel Engine Starter Motor Valeo 02E911024H

Product currently unavailable

Part no. 8K0907063DD

Audi A5 8T Onboard Comfort Supply BCM Control Module Unit ECU 8K0907063DD

Product currently unavailable

Part no. 5Q0959655N

Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655N

Product currently unavailable

Part no. 4L0919283E

Audi Q7 4L PDC Parking Distance Sensor Control Module Unit ECU 4L0919283E

Product currently unavailable

Part no. 05L903141

Audi A3 8Y A4 B9 A6 C8 Alternator Bracket Mount Holder 2.0 TDI 05L903143

Product currently unavailable

Part no. 8K2907115P-1

Audi A5 8T A4 B8 8K 2.0 TFSI CDNC 211HP Engine ECU Kit 8K2907115P Key + Ignition

Product currently unavailable

Part no. 4N0959651D

Audi Q5 FY Crash Impact Sensor Unit Module Left Right N/O/S 4N0959651D

Product currently unavailable

Part no. 02T911023M

Audi A3 8P 1.6 MPI Petrol Starter Motor Engine 02T911023M

Product currently unavailable

Part no. 8V0907357A

Audi A3 8V Headlight Range Cornering Adjustment Control Module 8V0907357A

Product currently unavailable

Part no. 4E0035541S

Audi Q7 4L Radio Multimedia Receiver Control Module Unit 4E0035541S

Product currently unavailable

Part no. 4L0915181

Audi Q7 4L Power Supply Battery Control Module Unit 4L0915181

Product currently unavailable

Part no. 07C911023H

Starter Motor Audi S8 D3 4E VW Touareg Starter Motor Bosch 1.7KW 07C911023H

Product currently unavailable

Part no. 4F0910289N-1

Audi A6 S6 RS6 C6 4F Convienience Comfort Module Unit ECU 4F0910289N

Product currently unavailable

Part no. 5Q0919275B-AGR

Audi Q2 GA Front Parking Sensor Assist Control Module Arrow Grey Z7W 5Q0919275B

Product currently unavailable

Part no. 03L906023M-1

Audi A3 8P 1.6 TDI 105HP CAYC Diesel Engine ECU Kit 03L906023M 2 Keys Manual

Product currently unavailable

Part no. 4L0907553E

Audi Q7 4L Air Suspension Adjustment Module Control Unit 4L0907553E

Product currently unavailable

Part no. 8W0907064EB

Audi A4 B9 2.0 TFSI DEMA BCM Body Control Module Unit ECU 8W0907064EB

Product currently unavailable

Part no. 4F0051510Q

Audi A5 8T A6 C7 USB Adapter Port Socket Connector Cable Wiring 4F0051510Q

Product currently unavailable

Part no. 4L0907568A

Audi Q7 4L Blind Spot Monitoring Radar Unit 4L0907568A

Product currently unavailable

Part no. 4F0910655Q

Audi A6 C6 4F Control Unit Air Module ECU Bosch 4F0959655G

Product currently unavailable

Part no. 8J0971349CF

Audi TT 8N Alternator Main Cable Wiring Harness Loom 8J0971349CF

Product currently unavailable

Part no. 8K0907064CP

Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064CP

Product currently unavailable

Part no. 8X0035223D

Audi Q3 8U Amplifier BOSE Premium Audio Sound System Module 8X0035223D

Product currently unavailable

Part no. 02E911022H

Audi S3 8Y 2.0 TFSI Starter Motor Engine Petrol 02E911022H

Product currently unavailable

Part no. 4L0907566A

AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A

Product currently unavailable

Part no. 4F0051510K

Audi Cable Adapter iPod Connection 4F0051510K

Product currently unavailable

Part no. 8K0907801C

Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C

Product currently unavailable

Part no. 8T0959792J

Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792J

Product currently unavailable

Part no. 4E0907383J

Audi A4 B9 Tow Bar Trailer Towing Control Module Unit 4E0907383J

Product currently unavailable

Part no. 03L903016A

Audi Q5 8R 2.0 TDI Alternator Generator 14V 180A Valeo 03L903016A

Product currently unavailable

Part no. 8E0880201DH

Audi A5 8T Steering Wheel Air Module Driver's Side 8E0880201DH

Product currently unavailable

Part no. 02E911024C

Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C

Product currently unavailable

...

Showing 1090-1188 of 1340 products

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 .

used parts volkswagen car parts mercedes used car parts cheap car parts audi auto parts spare parts genuine used audi parts bmw starters, alternators, ecus & wiring mercedes starters, alternators, ecus & wiring mini starters, alternators, ecus & wiring audi starters, alternators, ecus & wiring volkswagen starters, alternators, ecus & wiring