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. 8580192
Glow Plug Cable BMW G20 X3 G01 B47 Wiring Harness Engine Glow Module 8580192
Product currently unavailable
Part no. 4752820
Positive Cable BMW F20 F21 Under Bonnet Battery Wiring Loom 4752820
Product currently unavailable
Part no. 8572418-1
BMW X3 F25 Diesel 2.0dX N47N Engine ECUs Kit DDE 8572418 Key Lock CAS4 Manual
Product currently unavailable
Part no. A0009064508
Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508
Product currently unavailable
Part no. 8C1T-10B728-AC
Ford Transit Battery Relay Module Control Unit 12V 8C1T-10B728-AC
Product currently unavailable
Part no. A0045450405
Mercedes W169 W203 W639 W906 Relay 5-Pins Green Control Unit 12V A0045450405
Product currently unavailable
Part no. 5Q0937084AA
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
Product currently unavailable
Part no. 02M911023G
VW Volkswagen Golf 1K 2.0 TFSI BWA Starter Motor 02M911023G
Product currently unavailable
Part no. 9148016-1
BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
Product currently unavailable
Part no. 7588502
Mini Cooper One R55 R56 Petrol N12 DME 7588502 Engine Control Unit ECU Manual
Product currently unavailable
Part no. A6461500977-1
Mercedes Vito W639 646.980 Engine Unit ECU Kit A6461500977 Key Lock Automatic
Product currently unavailable
Part no. A1695420518-KB
Mercedes-Benz W245 Front Bumper Parking Distance Sensor Parktronic Kosmos Black
Product currently unavailable
Part no. 6970701-2
Rear Bumper Antenna BMW E93 E93N LCI 2 Aerial Telephone 6970701
Product currently unavailable
Part no. A0061517401-2
Starter Mercedes Sprinter W906 Diesel Engine Starter Motor Valeo A0061517401
Product currently unavailable
Part no. A2079005400
Mercedes W204 W207 C218 W212 E220 Navigation 20 Control Module Unit A2079005400
Product currently unavailable
Part no. 4H0971365J
Audi A8 D4 Seat Cable Front Left Right N/O/S Seatbelt Warning Wiring 4H0971365J
Product currently unavailable
Part no. 7L6035191R
VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035191R
Product currently unavailable
Part no. 7811111-4
BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 7811111 Manual
Product currently unavailable
Part no. 6933529
BMW 5 Series E60 E61 Centre Console Switch Centre DSC 6933529
Product currently unavailable
Part no. 9249086-2
BMW E89 Max Brose Footwell Light Module Control Unit ECU FRM3R 9249086
Product currently unavailable
Part no. 231001822R
Renault Master III Opel Movano B 2.3 DCI CDTI Alternator Generator 231001822R
Product currently unavailable
Part no. 8579482-3
BMW F20 F21 116d ed Diesel N47N 116HP Engine ECU Kit DDE 8579482 Key FEM Manual
Product currently unavailable
Part no. 9368337
BMW 3 F30 LCI 330e Hybrid Battery Cooling Refrigerant Double Pipe 9368337
Product currently unavailable
Part no. 06Q911024
Audi A4 B8 B9 A6 C8 Engine Starter Motor Denso 2.0 TFSI Petrol 06Q911024
Product currently unavailable
Part no. 7787558-1
BMW 3 E46 M47N 320d Engine Wiring Harness Module Diesel Automatic 7787558
Product currently unavailable
Part no. 7P0915105C
Audi Volkswagen Varta Car Battery AGM 92Ah 850A 7P0915105C
Product currently unavailable
Part no. 7787356-1
BMW E46 E60 LCI E83 E87 M47N2 Diesel Starter Motor 7787356
Product currently unavailable
Part no. 7545877
Battery Cable BMW E60 E61 E63 E64 N62N Alternator Starter Base B+ Lead 7545877
Product currently unavailable
Part no. 3Q0959655AQ
Skoda Octavia 5E Air Module Control Unit ECU Module Sensor 3Q0959655AQ
Product currently unavailable
Part no. A1669001420-2
Mercedes CLA C117 W166 Head Unit Sat Nav Navigation Display Screen A1669001420
Product currently unavailable
Part no. A0155429317
Speed Sensor Mercedes Sprinter W906 Impuls Control Unit Module A0155429317
Product currently unavailable
Part no. 1164130
BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
Product currently unavailable
Part no. AD 72Ah Accumulator
AD Accumulator Battery 72Ah 650A 12V ADB096
Product currently unavailable
Part no. 6934011
BMW 7 Series E65 E66 Cable Harness Loom Front Door Wiring Left N/S 6934010
Product currently unavailable
Part no. A2661534779
Mercedes W169 A200 M266.960 136HP Engine Control Unit ECU A2661534779 Automatic
Product currently unavailable
Part no. 7520019-9
Mini One 1.6i R50 W10 90HP Engine ECU Kit DME 7520019 + EWS + Key Automatic
Product currently unavailable
Part no. 7570488-3
Mini Cooper 3 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Lucas 7570488
Product currently unavailable
Part no. TAB-AGM-70AH
TAB AG70 AGM Start Stop Car Battery 70Ah 760A 12V
Product currently unavailable
Part no. 9112761-1
Mini Cooper R50 R52 6-Disc CD Changer Multichanger Unit With Magazine 9112761
Product currently unavailable
Part no. 03G903139D
Audi A4 B7 Engine Alternator Mount Support Bracket 1.9 2.0 TDI 03G903143D
Product currently unavailable
Part no. A2049009907-2
Mercedes W204 Navigation Radio Player Head Unit Computer A2049009907
Product currently unavailable
Part no. 8486839-1
BMW F20 F21 LCI F22 F23 F30 B38 136HP Engine Control ECU DME 8486839 Automatic
Product currently unavailable
Part no. 99661822100
Porsche Boxter 986 Crash Impact Sensor Module 99661822100
Product currently unavailable
Part no. 8W0959592G
Audi A4 B9 Front Door Module Control Unit Passenger Side 8W0959592G
Product currently unavailable
Part no. 5Q0959655D
Volkswagen Golf Mk7 Air Module Control Unit ECU 5Q0959655M
Product currently unavailable
Part no. A2129005722-1
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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. 7788680-1
BMW E46 E60 E61 E65 E83 E53 M57N Starter Motor LRS01964BN
Product currently unavailable
Part no. A2469009412
Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
Product currently unavailable
Part no. 8588547
Wiring Loom BMW X3 G01 X4 G02 B57 Harnes Diesel Engine Automatic Gearbox 8588547
Product currently unavailable
Part no. 90847906
BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 90847906
Product currently unavailable
Part no. 7337226
BMW F32 Door Wiring Front Passenger Door Loom Cable Wiring Harness 7337226
Product currently unavailable
Part no. 5A7A3B9
BMW U06 X1 U11 Gearbox Wiring Loom Transmission Cable 5A7A3B9
Product currently unavailable
Part no. A0009063522
Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522
Product currently unavailable
Part no. 1436907
BMW E38 Earth Cable Battery Engine Electrical Cable Wiring 1436907 1436908
Product currently unavailable
Part no. A2055404797
Battery Cable Mercedes GLC X253 Starter Motor Alternator Wiring A2055404797
Product currently unavailable
Part no. A0131545602
Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
Product currently unavailable
Part no. A6735460011
Mercedes Vito Viano W639 Battery Cable Positive Wiring Harness A6735460011
Product currently unavailable
Part no. A2069055100
Mercedes C118 W167 W177 W206 W247 Stereo Amplifier Harman Kardon A2069055100
Product currently unavailable
Part no. 83A962239
Audi A3 8Y Q3 F3 Rear Hatch Boot Lid Tailgate Opening Cable Wiring 83A962239
Product currently unavailable
Part no. A6421509478-2
Mercedes W164 ML320 4-Matic OM642.940 Diesel Engine Unit ECU Kit A6421509478 Key
Product currently unavailable
Part no. CC11-199049-AA
Ford Transit Heat Shield Insulation Alternator Engine Cover CC11-199049-AA
Product currently unavailable
Part no. 8577625-2
BMW F20 F21 114d N47N 95HP Engine Control Unit DDE 8577625 ECU Kit FEM Key Lock
Product currently unavailable
Part no. rhd-9137803
BMW MINI Cooper R55 R56 R57 R58 R59 Driver's Door Wiring Cable 9137803
Product currently unavailable
Part no. Maxibat 88Ah Accumulator
Maxibat Accumulator Battery 88Ah 680A 12V
Product currently unavailable
Part no. 6923711
BMW 7 Series E65 Cable Door Rear Left N/S Wiring Harness 6923711 6934038
Product currently unavailable
Part no. A6131530379
Mercedes-Benz W210 E 320 CDI Diesel Engine Control Unit Module ECU A6131530379
Product currently unavailable
Part no. 4F0910223C
Audi A6 C6 Hifi Audio Sound Speakers Amplifier Control Unit ECU 4F0910223C
Product currently unavailable
Part no. 8W9971104M
Audi A4 B9 Rear Bumper PDC Parking Sensor Harness Wiring Loom Cable 8W9971104M
Product currently unavailable
Part no. A6291501779
ECU Mercedes X164 Diesel OM629.912 Engine Control Module 306 HP Automatic
Product currently unavailable
Part no. 8367253
BMW E38 Fuse Box Battery Power Junction Control Unit Module 8367252 8367253
Product currently unavailable
Part no. 4F0910223M
Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223M
Product currently unavailable
Part no. A2049009907
Mercedes W204 Navigation Radio Player Head Unit Hazard Seat Switch A2049009907
Product currently unavailable
Part no. 4FO903291
Audi A6 C6 2.0 TDI Relay Condenser 4FO903291
Product currently unavailable
Part no. 8200803443
Renault Master III Engine Alternator Mounting Bracket Carrier 8200803443
Product currently unavailable
Part no. 7646814
BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814
Product currently unavailable
Part no. 8506444-2
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
Product currently unavailable
Part no. 06F903023H
Audi A4 B7 A6 C6 Alternator Generator 1.9 TDI Diesel 06F903023HX
Product currently unavailable
Part no. 8T0971365C
Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365C
Product currently unavailable
Part no. 09132701
Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 09132701
Product currently unavailable
Part no. A6071550335
Alternator Belt Tensioner Mercedes W176 OM607 Diesel Holder Mounting Panel
Product currently unavailable
Part no. A1635422918
Mercedes W163 Air Module System Control Unit Module ECU A1635422918
Product currently unavailable
Part no. A0009004523
Mercedes V177 Automatic Gearbox Control Unit Module ECU A0009004523
Product currently unavailable
Part no. A6409004600
Mercedes W245 B180 CDI 640.940 Engine Control Unit ECU A6409004600 Automatic
Product currently unavailable
Part no. 8R0959655E
Audi Q5 8R Air Module SRS System Control Sensor ECU Unit 8R0959655E
Product currently unavailable
Part no. A2105451303
Mercedes-Benz E-Class W210 Positive Plus Cable Wiring Cover Cap A2105451303
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. A2049820202
Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202
Product currently unavailable
Part no. 8K0915181N
Audi A1 8X Negative Battery Terminal Cable Wiring 8K0915181N
Product currently unavailable
Part no. 8589158
Battery Cable BMW G01 G02 B47B B47D Alternator Base B+ Lead 8589158
Product currently unavailable
Part no. 8678967
Mini Cooper R56 Petrol Engine Installation Wiring Loom Harness 8678967
Product currently unavailable
Part no. 07K903023J
Audi RS3 8V 2.5 TFSI Alternator 14V 180A 07K903023J
Product currently unavailable
Part no. 9223395
Head Unit BMW F01 F10 F20 F30 Navigation Sat Nav High Control Module 9223395
Product currently unavailable
Part no. A2129004830
Mercedes SLK R172 W212 Rear Fuse Box SAM Relay Control Unit Module A2129004830
Product currently unavailable
Part no. 7610009-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7610009 CAS3 + 2 Keys Manual
Product currently unavailable
Part no. 9169123
BMW 6 Series E63 E63N LCI Centre Console Switch Centre DTC PDC 9169123
Product currently unavailable
Part no. 5QF959655BT
Seat Ibiza Mk5 Air Module Control Unit 5QF959655BT
Product currently unavailable
Part no. 8J0971349A
Audi TT 8J Alternator Main Cable Wiring Harness Loom 8J0971349A
Product currently unavailable
Part no. 8P0907530B
Audi A3 8P Gateway Control Unit Module ECU 8P0907530B
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 .