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. A6519007003-4
Mercedes X156 GLA 220 OM651.930 170HP 4Matic Engine ECU A6519007003 Automatic
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A9078209400
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit A9078209400
Promo price
€104.95
€89.21
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2139008330
Mercedes W177 W213 W247 Automatic Gearbox Control Unit Module ECU A2139008330
€94.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8843416
BMW G30 Battery Cell Module Supervision Circuit Control Unit 8843416
Promo price
€42.95
€25.77
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 94520-4H0004X
Hyundai H-1 Dashboard Panel Digital Clock Watch Unit 94520-4H0004X
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8Z0951253
Skoda Octavia II 5 Pin Black Relay Control Module Unit Set Kit 8Z0951253
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2118201626
Mercedes S211 W211 Rear Door Control Unit Right O/S A2118201626
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8654635
Mini Cooper S F55 F56 Petrol Positive Battery Alternator Starter Cable 8654635
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 5Q0907530S
Audi A3 8V Gateway Control Module Unit ECU 5Q0907530S
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 6J4971161E
Seat Ibiza Mk4 Door Wiring Front Rear Right O/S Harness Loom Cable 6J4971161E
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 03G906018DT-1
Seat Leon II 1P 2.0 TDI BMN 170HP Engine Control Module ECU 03G906018DN Manual
€94.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6865298
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6865298
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2059006337
Safety Module Mercedes S205 Airbag Belt Tensioner Control Module SRS A2059006337
Promo price
€189.95
€113.97
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9225022
BMW 2 3 4 Series F22 F30 F31 F32 Battery Power B+ Distribution Box 9225022
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2048704426
Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9322120
BMW F30 F31 F32 F33 Central Information Display Screen 6,5" 9322120
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 6980078
BMW E88 Antenna Amplifier Aerial Diversity Module AMP 6980078
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2054402834
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2054402834
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2711508033
Mercedes W204 Engine Wiring Harness Cable Loom A2711508033
Promo price
€313.95
€188.37
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
Promo price
€66.95
€40.17
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6937083
Ultra Sonic Module Mini Cooper R50 R53 Alarm System Sensor 6937083
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6814183
Audio Control Panel BMW F20 F30 F31 F32 Operating Unit FBM 6814183
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 4M0035507
Audi A3 8V A4 B9 Telephone Antenna Amplifier Module Unit Booster 4M0035507
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
Promo price
€89.95
€53.97
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A1408207126
Mercedes C140 Blinker Hazard Trailer Relay Module Control Unit A1408207126
Promo price
€227.95
€136.77
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 1K8971104D
Volkswagen Scirocco III Rear Number Plate Wiring Harness Cable Loom 1K8971104D
€37.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 7316147
BMW F30 F31 F34 Headlight Module Xenon Headlamp Control Unit Lear TMS 7316147
Promo price
€70.95
€60.31
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 9380322
BMW F01 F02 F03 F10 F11 F13 Central Gateway Control Lear Module Unit ECU 9380322
€47.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 8576341-1
BMW F20 F30 F31 116d 316d 116HP N47N Engine ECU Control Unit DDE 8576341 Manual
Promo price
€61.95
€52.66
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A9067600404
Bowden Cable Mercedes W906 Rear Sliding Door Opener Cable Wire A9067600404
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2045406662
Mercedes-Benz C W204 PDC Parking Sensor Distance Control Module A2045406662
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2055401900
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900
Promo price
€80.95
€48.57
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6939287
BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9350003
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0035421019
Relay Mercedes C117 GLA X156 ML W166 W176 W246 5 Pins Yellow A0035421019
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2229005315
Bluetooth Module Mercedes W176 W205 Multimedia Control Unit ECU A2229005315
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1645400436
Mercedes ML164 Alternator Wiring Starter Motor Harness OM642 A1645400436
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A1679009011
Mercedes W205 C213 X253 Rear Door Control Module Unit ECU Left N/S A1679009011
Promo price
€42.95
€25.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 3412574
BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0045428718-1
Mercedes W203 W211 Parking Distance Sensor PDC Iridium Bright Silver
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A1688200289
Mercedes W168 Antenna Amplifier Unit Roof Rear Rail A1688200289
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 8512499-12
BMW X1 E84 xDrive 18d N47 143HP Engine Unit ECU DDE 8512499
Promo price
€42.95
€36.51
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 4G0035223C
Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
€85.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 03F906070CH
Seat Leon 1P 1.2 TSI CBZB 105HP Engine Control Module ECU 03F906070CH Manual
€113.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1648204326
Mercedes MLW164 Air Module Control Unit ECU Air Module Sensor A1648204326
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 7641652-1
Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 7928682
Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2049001813-1
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049001813
Promo price
€89.95
€76.46
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9196669
CD Changer 6 Disc BMW E81 E87 E90 E91 E92 Without Magazine 9196669
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8506444-1
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
Promo price
€332.95
€199.77
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8577834
BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic
Promo price
€156.95
€94.17
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 8E0959433CA
Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CA
€75.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A2229009211-1
Mercedes W207 W212 Tuner Box Digital Satellite Radio Control Unit A2229009211
€66.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A1679003504
Ignition Switch Mercedes W177 Electronic Anti Theft Control Module A1679003504
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8573260-1
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8573260 Manual
Promo price
€71.95
€43.17
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2055457200
Mercedes W205 Radio Stereo Head Unit Mount Bracket Holder Support A2055457200
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8W1959595D
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595D
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 7805349-2
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE EWS4 Key 7805349 Manual
Promo price
€303.95
€182.37
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1779008206
Mercedes W177 Ambience Illumination Light Control Module Unit A1779008206
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 9257151
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox 9257151
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8604258
Mini Cooper R56 Positive Battery Cable Alternator Lead 8604258
Promo price
€89.95
€53.97
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8K0959793J
Audi A4 B8 Door Module Front Right O/S Control Unit Module ECU 8K0959793J
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6934002
BMW 7 SERIES E65 E66 Door Wiring Harness Mod Carrier Front Left N/S 6934002
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6938226-2
BMW 3 Series 2 E90 E91 LCI M3 Wiring Loom Rear Door Left Right 6938226
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9253482-2
BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A1179001702
Mercedes GLA X156 Interior SRS Air Module Seat Belt Tensioner A1179001702
Promo price
€127.95
€76.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8T0959792G
Audi A4 B8 Front Door Lock System Module Right O/S Control Unit ECU 8T0959792B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A0015426519
Mercedes C140 Brake Pump Relay Electrical Fuse Module Control Unit A0015426519
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 7PP035504A
Porsche Cayenne 92A Nav GPS Antenna Amplifier 7PP035504A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A2049005015
Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015
Promo price
€189.95
€113.97
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 99650415100
Porsche Boxster 986 Battery Tray Lower Covering Panel Cap 99650415100
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A2479002613
Mercedes CLA C118 W177 W205 W213 Telematics Control Unit Module A2479002613
Promo price
€80.95
€68.81
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 5Q4959393E
Skoda Octavia 5E Front Door Module Control Unit ECU Driver's Side 5Q4959392E
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 3D0972072AG
VW Phaeton 3D Electrical Steering Column Wiring Harness Loom Cable 3D0972072AG
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 3Q0907530Q
Volkswagen VW Golf Mk7 Gateway Control Unit Module ECU GW MQB High 3Q0907530Q
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8W0959595E
Audi A4 B9 Rear Door Control Module ECU Left Right N/O/S 8W0959595E
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2038219751-2
Mercedes W203 CL203 Roof Alarm Motion Sensor Cover Trim Black A2038219751
Promo price
€24.95
€23.70
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 4E0862150
Audi S8 D3 Fuel Tank Flap Actuator Motor Electric Linkage 4E0862150
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. NB5T-14G087-HD
Ford Transit Custom Mk8 Bluetooth Module Unit Control ECU NB5T-14G087-HD
€94.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. CM5T-14B321-CA
Ford Focus Mk3 Air Module Control Module Restraint CM5T-14B321-CA
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 2GA947201
VW Volkswagen T-ROC A11 Front Door Handle LED Light Cable Left N/S 2GA947201
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. FV6T-14A280
Ford Transit Connect Cable Alternator Starter Motor Battery Wiring FV6T-14A280
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1679050200
Mercedes A238 Tailgate Boot ECU Control Unit Module A1679050200
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8507906
BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. A0009003806
Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
Promo price
€89.95
€53.97
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. A1669005417
Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6928369
BMW E60 Dashboard Solar Receiver Sensor Plug Socket Wiring 6928369
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8631672
BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness
Promo price
€94.95
€56.97
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9292655
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9292655
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6927311
BMW E60 Front Seat Control Unit Module Controller ECU 6927311
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 9149615
BMW E61 E65 E70 Telemetics Control Unit Bluetooth Control Unit Module 9149615
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 8507893
BMW 1 2 3 Series F20 F21 F22 F30 F31 N47N Wiring Loom Harness Engine 8507893
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2115452301
Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2218210197
Mercedes W221 Cover Wiring Cable Front Door Protection Seal Sleeve A2218210197
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 5N0035341F
Volkswagen VW Scirocco Mk3 Multimedia Interface Media-In Module Box 5N0035341F
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6958447
BMW 7 Series E65 Control Unit Door Rear Passenger Side Hinten Low BFT 6958447
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. A2045407135
Earth Ground Cable Mercedes W204 C207 Line Strap Battery Lead A2045407135
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. A0009069905
Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703
€161.95
Free delivery: Feb 16 – 19
If paid before 14:00
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 .