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.
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Part no. 8509036-2
BMW X6 E71 35dX M57N2 286HP Engine ECU Unit DDE 8509036 CAS3 Key Automatic
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BMW E87 E90 E91 118i 318i N46 129HP ECU Kit DME 7565300 + CAS2 + Key Automatic
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BMW F40 Mini F55 F56 Fuse Box Power Distribution Junction Relay Unit 9270356
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Volkswagen Touran 1T Central Gateway Module Control Unit Lear 1K0907530F
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BMW 1 Series F40 Rear Bumper PDC Cables Wiring Loom Set 5A07A51
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AdBlue Control Unit BMW G20 X3 G01 X4 G02 Module ECU 5A0DB23
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Radio Player Mercedes W169 W245 Audio 20 Stereo CD Head Unit Display A1698705994
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Audi A5 8T Volkswagen Touareg TV Tuner Digital Video Control Module 4F0919129D
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VDP Module BMW G11 G12 Rear Dynamic Air Suspension High2 Unit Module 6889573
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Mercedes W251 Radio Sat Nav Navigation System Head Unit Screen A2518708089
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BMW 3 Series E92 Front Left N/S Door Wiring Cables Harness Loom 6957124
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Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637K
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Part no. 7532140-5
BMW E65 730i M54 231HP Engine Control Unit Module ECU DME 7532140 Automatic
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Part no. 8798216
BMW F20 F21 F22 F30 F31 Head Unit Media DAB Navigation Business Headunit 8798216
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Communication Module BMW M4 F82 Telematic Bluetooth Control Unit 8734753
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Mercedes W470 Nissan Navara Distance Control Sensor Radar 4135A-ARS4B
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Part no. 7545150
BMW X5 Series E53 3.0i M54 231HP ECU Engine Control Unit DME 7545150 Automatic
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Part no. A0009064022
Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022
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Part no. 9138471
Body Control Module BMW X5 E70 ECU Junction Box LOW PL4 JBBFEII 2 9138471
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Part no. 6867110
VDP Module BMW G30 Rear Dynamic Air Suspension High0 Control Unit Module 6867110
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Part no. GK2T19G490AB
Ford Transit Custom Rear Reverse View Parking Camera Unit ECU GK2T19G490AB
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Part no. 7823800-1
BMW X5 E70 3.0sd M57N2 286HP Engine ECU Kit DDE 7823800 CAS3 Key Automatic
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Volkswagen Golf 1K GTI 2.0 TFSI CCZB 211HP Engine Control ECU 5K0907115 Manual
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Part no. A0009820008
Mercedes Sprinter W906 100Ah Auxiliary Additional Generator Battery A0009820008
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Part no. A1698209989
Radio Head Unit Mercedes W169 W245 Media Player Navigation Screen A1698209989
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Mercedes CLK W209 Convertible Rain Light Sensor Windscreen Module A2098203026
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Part no. 7559178-12
BMW E60 E90 E91 325i 525i N52 218HP Engine Control Unit ECU DME 7559178 Manual
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Part no. Bosch S5 013 100Ah Accumulator
Bosch S5 013 Accumulator Battery 100Ah 830A 12V
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Part no. 7809002-2
BMW E81 E82 E87 LCI E88 N47S 123d Engine ECU Kit DDE 7809002 CAS3 + Key Manual
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Part no. A1719000600
Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000600
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Part no. A6511508656
Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511508656
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BMW 1 3 F20 F21 F30 PDC Ultrasonic Parking Sensor PDC Front Valencia Orange B44
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Part no. 7613226
Mini Cooper S R55 R56 R57 LCI N18 1.6 184HP ECU Control Unit DME 7613226 Manual
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Part no. 5A3B4C1
BMW F39 X2 Radio Sat Nav CD Player Stereo Media Head Unit 5A3B4C1
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Part no. 8509722-2
Control Unit Box BMW F20 F21 F22 F30 F31 Cover Panel Protection 8509722
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Part no. 7823422-2
£BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU Control Kit DDE 7823422 CAS3 Keys
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Part no. 7801711-3
BMW 1 3 Series 3 E60 E87 E90 M47N2 120d 320d DDE Engine Control Unit ECU 7801711
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Part no. 8577238
BMW F30 F31 Sterter Motor Alternator Cable Wiring Loom Harness 8577238
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Part no. BK3T14A631KBD
Ford Transit Mk8 Door Front Left N/S Cable Wiring Harness BK3T14A631KBD
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Part no. 8518636-1
BMW F10 F11 525d N47S1 218HP Engine Unit ECU Kit DDE 8518636 + CAS4 + Key
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Part no. T1000-13931
BMW Disc Professional Navigation 07-2 DVD Road Map Europe T1000-13931
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Part no. A2059000328
Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328
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Part no. 3455241
Mini Cabrio R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3455241
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BMW E60 E87 E90 120d 320d 520d N47 ECU Engine Control Unit DDE 8506374 Manual
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Part no. 5WA915181D
Volkswagen Golf CD1 Negative Battery Terminal Cable Wiring Battery 5WA915181D
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Part no. 7398495
Fuel Pump Module BMW F10 M5 F80 M3 Fuel Pump Control Unit 7398495
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Mercedes W906 316CDI OM651.955 165HP Engine ECU Kit A6519002600 Keys Lock Manual
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Part no. 9197175-1
BMW E87 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9197175
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Part no. 8472586
BMW G30 G31 G32 530dX 630dX 3.0 B57 Diesel Engine ECU 8472586 Automatic
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Part no. A1645404401
SAM Control Module Mercedes W164 W251 Fuse Box Comfort Unit ECU A1645404401
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Part no. A2118202535
Mercedes W221 Telephone Battery Control Unit A2118202535
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Part no. 3455305-1
2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
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Part no. A1775405710
Parking Sensor Wiring Mercedes W177 W247 Rear Bumper PDC Loom Cable A1775405710
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Part no. 8589145-2
BMW F30 F31 LCI 320d ed B37 163HP Engine Control Unit ECU DDE 8589145 Automatic
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Part no. A0005401950
Mercedes W220 Fuse Relay Junction Box HV Battery Connector A0005401950
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Part no. 3457428-4
Mini Cooper R60 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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Part no. A1779001203
Mercedes W177 Door Control Module Rear Left Right N/O/S A1779001203
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Mercedes W204 Radio Player Head Unit COMAND Sat Nav Autoradio A2048709790
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Part no. A1705450105
Mercedes R170 Engine Pulse Relay Control Module Unit A1705450105
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Part no. 7801712-1
BMW E60 530d E90 330d M57N2 231HP Engine ECU Kit DDE 7801712 CAS2 + Key Manual
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Part no. 6822680
Camera Kafas BMW F20 F21 F22 F87 LCI Front Windscreen Camera 6822680
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Part no. 7811700-2
BMW 5 Series E60 E61 LCI 520d N47 177HP ECU KIT DDE CAS3 + Key 7811700 Manual
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Part no. Halfords 95Ah Acid Accumulator-2
Halfords 12V Lead Acid Accumulator Battery 95Ah 800A HB019
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Part no. 8200350501
Renault Trafic 2 Display Screen Control Unit Module Dashboard 8200350501
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Part no. 9175650-1
BMW E87 NSW ECU Light Control Unit Module Footwell Module PL2 FRM II 9175650
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Part no. A2139004015
Radio Head Unit Mercedes W213 C238 Navi CD Player Control Unit A2139004015
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Part no. 4H0906093D
Fuel Pump Audi A8 D4 Q7 4L Diesel Control Unit Module 4H0906093D
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Part no. rhd-7566706-1
BMW 7 E65 740i E66 740Li N62N 306HP ECU Kit DME + CAS + Key 7566706 Automatic
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Part no. 8E0837220Q-1
Remote Key Audi A4 S4 B7 8E Radio Alarm Key Fob Opener Button 8E0837220Q
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Part no. 8512407
BMW X5 E70 LCI X6 E71 30dX Diesel N57 245HP Engine ECU DDE 8512407 Automatic
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Part no. 7557290-1
BMW E87 E90 118i 318i N46 129HP ECU KIT DME CAS2 + Key 7557290 Manual
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Part no. A2208274142-1
Mercedes C215 W220 COMAND CD Player Radio Audio Navigation A2208274142
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Part no. 8268370
BMW X5 E53 Rear Parking Sensor PDC Cover Trim 8268370
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Part no. 4G8959792H
Audi A7 4G8 Door Control Module Passenger Side Front 4G8959792H
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Part no. 6766280
BMW E61 E65 E66 Compressor Control Unit Suspension Air Supply Module 6766280
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Part no. A6421509678-1
Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock
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Part no. 9158040
Mini R55 R56 R57 Flat Cable Wiring Wire CAS 9158040
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Part no. A2059001028
Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028
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Part no. 7636292-5
BMW F20 114i N13 102HP Engine Control Unit ECU KIT DME 7636292 FEM Key Manual
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Mercedes W164 Fuse Relay Electrical Box Housing Cover A1645400124
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Part no. 6904905-3
BMW 7 Series 2 E65 E66 Battery Cable Positive Plus Pole 6904905
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Part no. A6111530991
Mercedes Sprinter W901 Engine Control Unit Module ECU OM611 Diesel A6111530991
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Mercedes W166 Hatch Tailgate Central Module Locking Control ECU A1669003708
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Part no. 9666729580
Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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Part no. 7798179-1
BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7798179 CAS2 + Key
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Mercedes-Benz W164 CD Changer Interface Guide Cable Wiring Harness A1648205804
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Part no. 7798179-2
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE 7798179 CAS2 + Key
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Part no. A2711504879
Mercedes W204 C180 Kompressor 271.952 156HP Engine Control Unit ECU A2711504879
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Radio Head Unit BMW E93 Comand CD DVD Player Changer 9218331
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Part no. 7565300-4
BMW E87 E90 N46 120i 320i 150HP Engine Control ECU DME 7565300 Manual
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Part no. 8H0035225J
Audi A4 B7 Cabrio Aerial Antenna Amplifier Module Unit Left N/S 8H0035225J
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Part no. BK2T15K602AA
Ford Transit Custom Radio Remote Control Receiver BK2T15K602AA
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Part no. 6946107
BMW 7 Series E65 E66 Driver Seat Airbag Sensor Control Unit Module 6946107
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Part no. 6C1T-9K499-NH
Ford Transit Mk7 Fuse Box Loom Wiring Harness Cable 6C1T-9K499-NH
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Part no. A2139008828
Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828
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Part no. 04B907445-1
Volkswagen Polo 6C 1.4 TDI CR 75HP CUSA Engine Control Unit ECU 04B907445 Manual
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Part no. 07K907309L
Audi RS3 8Y 2.5 TFSI Quattro 400HP DNWC Engine Unit ECU 07K907309L Automatic
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Part no. 6809539
Mini Cooper One F55 Door Cable Wiring Loom Harness 6809539
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Part no. 6929561
BMW E65 E66 Sensor B-Pillar Air Module Right O/S 6929561
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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 .