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
Part no. 9381088
Audio Amplifier BMW F20 F21 F22 Harman Kardon Active Sound Design Unit 9381088
Product currently unavailable
Part no. AC1112A650BC
Ford Transit MK7 2.4 TDCI T24DD0P Diesel Engine Control Unit ECU AC1112A650BC
Product currently unavailable
Part no. rhd-7572358
BMW 3 Series E90 E91 320i N46 Wiring Loom Harness Engine Gearbox Module 7572358
Product currently unavailable
Part no. 9134479-1
BMW E93 Body Control Module Junction Box ECU PL2 JBBFE H1 9134479
Product currently unavailable
Part no. 7803369-8
BMW E60 E90 330d 530d M57N2 231HP ECU Engine Control Unit DDE 7803369 Manual
Product currently unavailable
Part no. 6806755
BMW AGM Car Battery 12V 92Ah 850A 6806755
Product currently unavailable
Part no. A2469006018
Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
Product currently unavailable
Part no. 7809000-4
BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 Control Unit CAS3 + Key
Product currently unavailable
Part no. 6C0941824D
Audi A1 S1 8X Fuse Relay Box Module Unit 6C0941824D
Product currently unavailable
Part no. 4L0910553H
Audi Q7 4L Air Suspension Module Regulation Control Unit 4L0910553H
Product currently unavailable
Part no. 1387590
BMW 3 Series E36 Electrical Fuse Empty Relay Box Compartment 1387590
Product currently unavailable
Part no. 8579748-1
BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key + CAS4 Automatic
Product currently unavailable
Part no. 8W0907064GC
Audi A5 F5 Central Body Control Module BCM Unit ECU 8W0907064GC
Product currently unavailable
Part no. 7639049-1
Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME 7639049 CAS 3 Key
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. 8T0959795J
Audi A5 8T Rear Door Module Control Unit Module ECU Left Right N/O/S 8T0959795J
Product currently unavailable
Part no. 6946111
BMW 7 SERIES E65 E66 E67 Sensor, B-pillar left airbag N/S 65776946111 6946111
Product currently unavailable
Part no. 8586544
BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
Product currently unavailable
Part no. 8W0959121A
Audi A4 B9 A5 F5 Air Module Pedestrian Protection Sensor Crash 8W0959121A
Product currently unavailable
Part no. 3457428-1
Mini Cooper R58 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
Product currently unavailable
Part no. 9251426
BMW i3 I01 KaFAS Camera Speed Limit Control ECU Module Unit Front 9251426
Product currently unavailable
Part no. 3450979
Mini R56 Footwell Light Module High ECU Lear PL3 FRM II 3450979
Product currently unavailable
Part no. A6395400431
Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431
Product currently unavailable
Part no. 9185524-1
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9185524
Product currently unavailable
Part no. 9267205
BMW E91 Touring LCI ECU Body Control Module Junction Box H2 9267205
Product currently unavailable
Part no. 8H0959433K
Audi A4 B7 Cabrio Body Comfort Central Control Unit Module BCM ECU 8H0959433K
Product currently unavailable
Part no. 80A971104A
Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 80A971104A
Product currently unavailable
Part no. 1422768
Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
Product currently unavailable
Part no. YUASA-54AH
YUASA 5000 Silver High Performance Battery 12V 54Ah 500A HSB012
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. A6461502734
Mercedes W204 C220 CDI 170HP M646.811 Engine Unit ECU Kit A6461502734 Key Lock
Product currently unavailable
Part no. BOSCH-74AH
Bosch S4 008 Accumulator Battery 74Ah 680A 12V
Product currently unavailable
Part no. A6071500233
Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500233
Product currently unavailable
Part no. 7928646
BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
Product currently unavailable
Part no. A2038207385
Mercedes W203 ECU Control Unit Crash Impact Sensor Module Air Module A2038207385
Product currently unavailable
Part no. 95920-4H000
Hyundai H1 Genesis Front Impact Sensor Safety Crash Detection 95920-4H000
Product currently unavailable
Part no. Bosch S4 008 74Ah Accumulator-1
Bosch S4 008 Accumulator Battery 74Ah 680A 12V
Product currently unavailable
Part no. 8387568-1
BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568
Product currently unavailable
Part no. 04E903015A
Volkswagen Polo 6R Audi A1 8X Alternator Generator 14V 110A 04E903015A
Product currently unavailable
Part no. 9170453-1
BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
Product currently unavailable
Part no. 9118729-2
BMW 5 Series E60 Body Gateway Module KGM HIGH LEAR 9118729
Product currently unavailable
Part no. A2123200558
Mercedes W212 Valve Block AMG Air Suspension Control Unit Module A2123200558
Product currently unavailable
Part no. 8589145-10
BMW F20 LCI 116d B37 Engine Control Unit Module ECU DDE 8589145 Manual
Product currently unavailable
Part no. A2115409108
Mercedes E-Class S211 Parking Sensor Wiring Loom Cable Rear PDC A2115409108
Product currently unavailable
Part no. A2035451701
SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035451701
Product currently unavailable
Part no. 9230445
BMW 3 Series E90 Footwell Light Control Module Lear FRM3R PL2 9230445
Product currently unavailable
Part no. A2129008707
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
Product currently unavailable
Part no. A0025421519
Mercedes-Benz M-Class ML W163 Relay 4-Pin Black Hella A0025421519
Product currently unavailable
Part no. 7527072-3
BMW Z4 E85 2.5i Engine M54 192HP ECU Kit DME 7527072 + EWS3 + Key Automatic
Product currently unavailable
Part no. DTB2207010149917Z
Mercedes R171 Display Screen Navigation Android Unit Set DTB DTB2207010149917Z
Product currently unavailable
Part no. 8U0959651
Audi Q3 8U Air Module Crash Impact Sensor Control Unit 8U0959651
Product currently unavailable
Part no. A2078203226
Airbag Module Mercedes W207 C207 Coupe Air Bag SRS Control Unit ECU A2078203226
Product currently unavailable
Part no. 8662411-4
BMW F20 LCI 118i B38 136HP Engine ECU DME Kit FEM + 2 Keys 8662411 Manual
Product currently unavailable
Part no. A2045407335
Mercedes W204 C207 W212 Earth Ground Cable Transmission To Body A2045407335
Product currently unavailable
Part no. 9350003-1
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Product currently unavailable
Part no. 1387613
BMW 3 Series E36 Electrical Fuse Relay Box Cover Panel Trim 1387613
Product currently unavailable
Part no. 83A919605C
Audi RSQ3 F3 Onboard MMI Multimedia Sat Nav Display Touch Screen 83A919605C
Product currently unavailable
Part no. 8632594
BMW F45 Mini F60 High Voltage Battery Wiring Cable Wire Harness Pos Neg 8632594
Product currently unavailable
Part no. 7580279-2
BMW E87 LCI E90 E92 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 + Key Manual
Product currently unavailable
Part no. 4F1910552C-1
Audi S6 C6 5.2 FSI Quattro BXA 435 HP Control Unit ECU Kit 4F1910552C Automatic
Product currently unavailable
Part no. 9224593-1
BMW 3 Series E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM3R 9224593
Product currently unavailable
Part no. 9226906
BMW F07 GT Body Control Module Electronic Junction Box JBBFE 3 PL6 V12 9226906
Product currently unavailable
Part no. 8639595-10
BMW F20 F23 220i Petrol N20 ECU DME Engine Control Unit Module 8617551 Manual
Product currently unavailable
Part no. 6942100
BMW E60 Air Module Control Unit Gateway Sensor B Pillar Right O/S 6942100
Product currently unavailable
Part no. 9166708-5
BMW Z4 E89 Cabrio Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
Product currently unavailable
Part no. 9194064-2
On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 9194064
Product currently unavailable
Part no. 8781423
BMW F30 Fuse Box Front Body Control Module ECU BCM Unit 8781423
Product currently unavailable
Part no. A1669003501
Mercedes W166 Switch Rotary Selector Controller Navigation Radio A1669003501
Product currently unavailable
Part no. 9393186
Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186
Product currently unavailable
Part no. 9123087
BMW E60 E61 CCC CD Professional Navigation System Controller 6949171
Product currently unavailable
Part no. 6968650
BMW 3 Series E93 E93N LCI Aerial Antenna Amplifier FM/AM Right O/S 6968650
Product currently unavailable
Part no. 7806976-3
BMW E70 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key Automatic
Product currently unavailable
Part no. 8K0971104AE
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104AE
Product currently unavailable
Part no. BK2T14301AC
Ford Transit Custom Mk1 Negative Battery Terminal Cable Wiring BK2T14301AC
Product currently unavailable
Part no. A2469003519
Mercedes W176 W246 Radio COMAND Nav CD Player Control Head Unit A2469003519
Product currently unavailable
Part no. 7791335
Mini R50 One D W17 1.4 Diesel Engine Starter Motor 7791335
Product currently unavailable
Part no. 240720782R
Renault Trafic III VIvaro B Wiring Connector Additional Horn Cable 240720782R
Product currently unavailable
Part no. Exide Excell 80Ah
Exide Battery Excell EB802 80Ah 700A Accumulator
Product currently unavailable
Part no. 7948144
BMW F40 F44 Seat Occupancy Mat Control Unit Sensor 7948144
Product currently unavailable
Part no. A2479003508
Mercedes C118 Instrument Cluster SpeedoMeter Module ECU Control Unit A2479003508
Product currently unavailable
Part no. 7604567-1
BMW E60 LCI E90 E91 325i 525i N53 218HP ECU Kit DME 7604567 CAS3 + Key Manual
Product currently unavailable
Part no. A2118700526
Driver Seat Module Mercedes R171 W203 W211 Memory Control Unit A2118700526
Product currently unavailable
Part no. 4M0907355
Audi A4 B9 Q7 4M A5 F5 Adblue Control Module Unit 4M0907355
Product currently unavailable
Part no. A2049000800
Fuse Box Mercedes W204 S204 SAM Control Unit Module Relay A2049000800
Product currently unavailable
Part no. 7241551
BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551
Product currently unavailable
Part no. A2711502879
Mercedes W204 C200 M271.950 184HP Engine ECU Unit Module A2711502879 Manual
Product currently unavailable
Part no. 5A11E72
BMW G20 Axle Differential Module Control Unit ECU 5A11E72
Product currently unavailable
Part no. 6978232
BMW E60 E61 E63 E65 X5 E70 X6 E71 PDC Parking Control Module Module 6978232
Product currently unavailable
Part no. 6977767
BMW Mini Cooper R50 R52 R53 6-Disc CD Changer Without Magazine 6977767
Product currently unavailable
Part no. 7810950-6
BMW E90 330d M57N2 231HP Engine ECU KIT DDE 7810950 CAS3 Key Manual
Product currently unavailable
Part no. 6782371
Yaw Sensor BMW E60 E61 X5 E70 ESP Rotation Rate Speed Acceleration Unit 6782371
Product currently unavailable
Part no. 9239226-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9239226
Product currently unavailable
Part no. 4280002630
Toyota Hilux Vigo Engine Starter Motor Assembly Unit 03L911024A
Product currently unavailable
Part no. Bosch S4 A05 60Ah AGM Accumulator
Bosch S4 A05 AGM Accumulator Battery 60Ah 680A 12V
Product currently unavailable
Part no. 8589145-5
BMW F20 120d F30 320d LCI B47 190HP Engine Unit ECU Kit DDE 8589145 Key FEM
Product currently unavailable
Part no. 9192740-1
BMW X6 E71 ECU Body Control Module Junction Box PL4 JBBFE II 9192740
Product currently unavailable
Part no. 4E0616575K
Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
Product currently unavailable
Part no. 9240533
BMW 1 E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R 9240533
Product currently unavailable
Part no. 8T2035666D
Audi A5 8T CD Player Radio Multimedia MMI Head Unit ECU 8T2035666D
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 .