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. 8P0919475F

Audi TT 8J Parking Distance Sensor Control Unit Module Rear 8P0919475F

Product currently unavailable

Part no. 8J7959255B

Audi TT 8J Coupe Roadster Convertible Roof Control Module ECU 8J7959255B

Product currently unavailable

Part no. 02M911023P

Audi Volkswagen Seat Skoda 2.0 TDI Diesel Starter Motor Engine Bosch 02M911023P

Product currently unavailable

Part no. 4H0971224

Audi A8 D4 Battery Starter Alternator Harness Wiring Cable 4H0971224

Product currently unavailable

Part no. 04L911024A

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

Product currently unavailable

Part no. 059903018R

Audi A6 C7 3.0 TDI CLAA Alternator Generator Engine Unit Hitachi 059903018R

Product currently unavailable

Part no. 8K5907551B-1

Audi S4 B8 3.0 TFSI CGWC 333HP Quattro Engine Control Module ECU Kit 8K5907551B

Product currently unavailable

Part no. 4L0907553

Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553

Product currently unavailable

Part no. 8R0919604A-1

Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A

Product currently unavailable

Part no. 8V5971687K

Audi A3 8V Door Wiring Harness Loom Rear Left N/S 8V5971687K

Product currently unavailable

Part no. 8P0959655C

Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C

Product currently unavailable

Part no. 8P0035192H

Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192H

Product currently unavailable

Part no. 4H0907063DB

Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB

Product currently unavailable

Part no. 8P4963553A

Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553A

Product currently unavailable

Part no. 4G0907553G

Audi A8 D4 Dynamic Air Suspension Control Unit Module ECU WABCO 4G0907553G

Product currently unavailable

Part no. 4H4907357B

Audi A8 D4 Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357B

Product currently unavailable

Part no. 4H0907064FB

Audi A8 D4 BCM Module Body Control Unit Convenience ECU 4H0907064FB

Product currently unavailable

Part no. 4H0907468AF

Audi A8 D4 Central Diagnostic Getaway PKO Control Unit Module ECU 4H0907468AF

Product currently unavailable

Part no. 8W1959595D

Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595D

Product currently unavailable

Part no. 5Q0937084AE

Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AE

Product currently unavailable

Part no. 06A905409P

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

Product currently unavailable

Part no. 8J0971349CF

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

Product currently unavailable

Part no. 06F971082F

Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F

Product currently unavailable

Part no. 5Q0907530Q

Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q

Product currently unavailable

Part no. 8P0959655L

Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L

Product currently unavailable

Part no. 8P0959802K

Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802K

Product currently unavailable

Part no. 4F0907289N

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

Product currently unavailable

Part no. 8E0959651

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

Product currently unavailable

Part no. 4F0907801B

Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B

Product currently unavailable

Part no. 4F0910553D

Audi A6 C6 Adaptive Suspension Software Module Control Unit ECU 4F0910553D

Product currently unavailable

Part no. 8R0907441A

Audi Q5 8R Reversing Camera ECU Control Unit Module 8R0907441A

Product currently unavailable

Part no. 8K0907064KG

Audi Q5 8R Body Control Module ECU Control Unit 8K0907064KG

Product currently unavailable

Part no. 8R0971095D

Audi Q5 8R Front Bumper PDC Parking Sensor Wiring Harness Loom 8R0971095D

Product currently unavailable

Part no. 8R0971104CC

Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104CC

Product currently unavailable

Part no. 02E911024M

Audi A3 8V 2.0 TFSI DJHA Starter Motor 12V 02E911024M

Product currently unavailable

Part no. 8K0907064EC

Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907064EC

Product currently unavailable

Part no. 8R0035223G

Speaker Amplifier Audi A4 B8 A5 8T Stereo Radio Sound System Amp 8R0035223G

Product currently unavailable

Part no. 8K0907063AD

Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907063AD

Product currently unavailable

Part no. 079903021E

Audi A4 B7 4.2 BBK Petrol Engine Alternator Generator 079903021E

Product currently unavailable

Part no. 4F0907247

Audi A6 C6 Keyless KESSY Entry Amplifier Box Module Aerial Antenna 4F0907247

Product currently unavailable

Part no. 4F0051510Q

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

Product currently unavailable

Part no. 4G0035061H

Audi A5 8T Head Unit Radio Player Navigation Control Module 4G0035061H

Product currently unavailable

Part no. 8T0919604A

Audi A5 8T Display Screen Dashboard Multifunction Monitor Unit 8T0919604A

Product currently unavailable

Part no. 8P0057186SX

Audi A3 8P Multimedia Stereo Sat Nav CD Player Radio Head Unit 8P0057186SX

Product currently unavailable

Part no. 1K0907530AA

Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA

Product currently unavailable

Part no. 8P0959801F

Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F

Product currently unavailable

Part no. 8P0959802F

Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802F

Product currently unavailable

Part no. 4H0907063BN

Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN

Product currently unavailable

Part no. 4G0959754K

Audi A6 C7 Ignition Smart Key Fob Lock Remote Alarm Button Control 4G0959754K

Product currently unavailable

Part no. 4H0919475Q

Audi A6 C7 PDC Parking Distance Sensor Module Control Unit ECU 4H0919475Q

Product currently unavailable

Part no. 04L907309R-2

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

Product currently unavailable

Part no. 06L911021A

Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021A

Product currently unavailable

Part no. 5Q0971250N

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

Product currently unavailable

Part no. 8K0907064CP

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

Product currently unavailable

Part no. 8K5907357B

Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B

Product currently unavailable

Part no. 079911023D

Audi A5 8T 2.0 TFSI Starter Motor Engine 079911023D

Product currently unavailable

Part no. 059903018TX

Audi A7 4G 3.0 TDI Alternator Generator 059903018TX

Product currently unavailable

Part no. 4G0035193C

Audi A6 C7 CD Player Radio Stereo Head Unit MMI NAVI 4G0035193C

Product currently unavailable

Part no. 05L903026B

Audi Q2 GA 3.0 TDI DTTC Diesel Engine Alternator Generator 05L903026B

Product currently unavailable

Part no. 8K0959760D

Audi A5 8T Front Driver Site Module Control Unit Seat Adjustment Seat 8K0959760D

Product currently unavailable

Part no. 8K0907063L

Audi A4 B8 A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063L

Product currently unavailable

Part no. 8K0919475H

Audi A4 B8 A5 8T Parking Distance Control Module Unit ECU 8K0919475H

Product currently unavailable

Part no. 8E0907307F

Audi A4 B8 Seat Exeo Servotronic Relay Control Unit 9 Pin 8E0907307F

Product currently unavailable

Part no. 5WA035282

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

Product currently unavailable

Part no. 8H0959255A

Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A

Product currently unavailable

Part no. 8H0959655G

Audi A4 B7 Air Module Control Unit ECU Impact Sensor 8H0959655G

Product currently unavailable

Part no. 81A971104E

Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom 81A971104E

Product currently unavailable

Part no. 81A919605B

Audi Q2 GA NAV Multimedia Navigation Display Screen MMI 8,25" 81A919605B

Product currently unavailable

Part no. 5Q0959107AB

Audi Q2 GA Q3 F3 Rear Boot Trunk Lid Tailgate Control Unit Module 5Q0959107AB

Product currently unavailable

Part no. 3Q0907530AG

Audi Q2 Q3 F3 1.5 TFSI Gateway Control Unit Module ECU 3Q0907530AG

Product currently unavailable

Part no. 05L907309B-1

Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key

Product currently unavailable

Part no. 4M0907355E

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

Product currently unavailable

Part no. 8W1907063AC

Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AC

Product currently unavailable

Part no. 8W0907468C

Audi A4 B9 Body Gateway Module ECU Control Unit 8W0907468C

Product currently unavailable

Part no. 02Z911024Q

Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q

Product currently unavailable

Part no. 4F0959793R

Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793R

Product currently unavailable

Part no. 5DS011105

Audi A7 4G8 Westfalia Towing Hitch Module Control Unit 506737

Product currently unavailable

Part no. 4G0906093H

Audi A7 4G 3.0 TDI Fuel Pump Sender Control Relay Module Unit ECU 4G0906093H

Product currently unavailable

Part no. 4G1035192A

Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A

Product currently unavailable

Part no. 4H0907217F

Audi A7 4G Front Camera Assistance Line Unit 4H0907217F

Product currently unavailable

Part no. 4G0907355F

Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F

Product currently unavailable

Part no. 4H0907063DH

Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH

Product currently unavailable

Part no. 8V0035874C

Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874C

Product currently unavailable

Part no. 5Q0919283F

Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283F

Product currently unavailable

Part no. 04L907309A

Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual

Product currently unavailable

Part no. 8W0907217C

Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C

Product currently unavailable

Part no. 4M0906093N

Audi A4 S4 B9 Petrol Fuel Pump Control Unit Module ECU 4M0906093N

Product currently unavailable

Part no. 4G8959760

Audi A6 C7 Front Seat Control Module Unit Right O/S 4G8959760

Product currently unavailable

Part no. 8K0971228P

Audi A4 B8 Starter Alternator Wiring Loom Cable Harness 8K0971228F

Product currently unavailable

Part no. 4L0907282A

Audi A7 4G Q7 4L 3.0 TDI Glow Plug Pre Heat 651 Relay Unit 9 Pins 4L0907282A

Product currently unavailable

Part no. 05L911021

Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006

Product currently unavailable

Part no. 07K907309F

Audi RSQ3 F3 2.5 TFSI Quattro 400HP DNWA Engine Unit ECU 07K907309F Automatic

Product currently unavailable

Part no. 0C8927750AL

Audi Q7 4L 3.0 TDI Dielsel Automatic Gearbox Module Control Unit ECU 0C8927750AL

Product currently unavailable

Part no. 5Q0937084CP

Audi S3 8V Module BCM Body Control Unit Module ECU 5Q0937084CP

Product currently unavailable

Part no. 4L0907553E

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

Product currently unavailable

Part no. 5Q0962131

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

Product currently unavailable

Part no. 81A955555B

Rain Sensor Audi Q3 RSQ3 F3 Front Windscreen 81A955555B

Product currently unavailable

Part no. 04L903017D

Audi A4 B8 A5 8F 2.0 TDI Diesel Engine Alternator Generator 04L903017D

Product currently unavailable

Part no. 059911024D

Audi A6 4F C6 3.0 TDI Diesel Starter Motor Bosch 0001109319 059911024D

Product currently unavailable

...

Showing 694-792 of 1272 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