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
-5%
Part no. 8K0907247
Audi A6 4G Keyless Entry Amplifier Control Box Module Aerial Antenna 8K0907247
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 4L2035670J
Audi Q7 4L Head Unit Radio Player Navigation Control Module Alpine 4L2035670J
Promo price
€564.95
€338.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9207846
BMW X5 Series E70 Driver Side Front Right O/S Door Cable Harness Wiring 9207841
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2661536679-2
Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2059008304
Mercedes W205 SAM Module Rear Body Comfort Control Unit ECU A2059008304
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8387547
Fuse Box Base BMW X3 E83 Mini R50 R53 Battery Positive Cable B 8387547
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9311849
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 9311849
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2059007037
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2059007037
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A6401508334-1
Engine Control Unit Mercedes W245 B200 CDI OM640.941 140HP ECU A6401508334
Promo price
€104.95
€62.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. lhd-A2215409509
Mercedes W221 Front Camera Wiring Harness Cables Night Vision A2215409509
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2044407441
Earth Ground Cable Mercedes W204 W207 W212 W218 Battery Wiring Loom A2044407441
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1729001906
Mercedes X218 CLS350 Communication Bluetooth Control Module A1729001906
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8T0907468R
Audi A4 B8 Gateway Control Unit Module ECU 8T0907468R
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 5Q0959592D
Door Module Audi A3 8V VW Golf 7 Seat Leon 3 Front Right O/S 5Q0959592D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8506444-2
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
Promo price
€332.95
€199.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2465450500
Mercedes-Benz A B W176 W246 Gearbox Control Module Bracket Holder A2465450500
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8K0907551
Audi A4 S4 B8 3.0 TFSI 333HP CAKA Quattro Engine Control Unit ECU 8K0907551
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 4G0907397R
Audi S1 8X Front Lamp Headlight DRL Ballast Control Module Unit 4G0907397R
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2465401205
Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4F0910655Q
Audi A6 C6 4F Control Unit Air Module ECU Bosch 4F0959655G
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A6549003300
Mercedes W177 Glow Plug Relay Preglow Module Diesel OM654 A6549009900
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6970889
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2049060105
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
Promo price
€62.95
€37.77
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8592700
Glow Plug Wiring BMW F48 Mini F57 Wiring Harness Engine Module 8592700
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9146330
BMW X5 E60 E65 E70 Front Right Seat O/S Height Adjustment Drive
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6949694
CD Changer BMW E60 E61 E63 E64 6-disc Without Magazine 6949694
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A0009055504-TNG
Mercedes W205 W212 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
€23.95
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9381581
BMW i3 I01 IBS Cable Negative Battery Lead Wiring Harness Control Unit 9381581
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8S0820047
Audi TT FV 8S A/C Air Condition Climate Control Module Unit ECU 8S0820047
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A9079002407
Mercedes W907 Electronic Ignition Module Control Unit A9079002407
Promo price
€161.95
€97.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6900582
BMW 7 Series E65 E66 Fuse Board Power Distribution Box
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9213373
Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0038202826
Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4F9035225D
Audi A6 C6 Antenna Amplifier Control Unit Module ECU 4F9035225D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4L0959655C
Audi Q7 4L Air Module Control Unit ECU Impact Sensor 4L0959655C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8K0907637C
Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8W5035021
Audi A4 B9 Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8W5035021
Promo price
€659.95
€395.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8T0959795Q
Audi A5 B8 8T Door Module Control Unit Left Right N/O/S 8T0959795Q
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A6395406609
Wiring Loom Vito Mercedes W639 Front Door Cable Left Right N/O/S A6395406609
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 5A323C8
BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0055421218
Crash Sensor Mercedes W176 W204 W212 Impact Airbag Unit Module A0055421218
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8573260-4
ECU Kit BMW F20 F21 116d ed Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 4F0959655E
Audi A6 C6 SRS Crash Air Module Safety ECU Unit Control 4F0959655E
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7540203
BMW X5 Series E70 Control Unit DME Module Emergency Release Lock 7582630
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8516739-3
Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Automatic
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8R0907468F
Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8364542
BMW E46 X3 E83 Power Distribution Fusebox Cover Fuse Box 8364542
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A9078209600
Mercedes W907 L2H2 Electric Radio Player Head Unit A9078209600
Promo price
€218.95
€186.11
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2135403205
Lever Sensor Wiring Mercedes W213 C238 Rear Left Right N/O/S Cable A2135403205
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A1725400035
Electrical Cable Mercedes R172 Transmission To Body Wiring Harness A1725400035
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 2755518
Mini R55 R56 R57 Battery Tray Holder Mounting Bracket Housing Box 2755518
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 5M5T14B192EA
Ford Transit Custom Relay 4-Pin Black 12V 40A FOMOCO 5M5T14B192EA
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2128270228-ING
Mercedes W212 Estate Roof Antenna Cover Shark Indium Grey Metallic A2128270228
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2046280218
Mercedes W204 Battery Bracket Mount Support Holder A2046280218
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0025421319-4
Mercedes W204 Genuine Universal Car Relay 4-Pin Tyco X4 Black A0025421319
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8K0959793A
Audi A5 8T Coupe Driver's Door Module Control Unit 8K0959793A
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A0131541702
Alternator Mercedes W638 OM611 Engine Alternator Generator A0131541702
Promo price
€85.95
€73.06
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9153418-2
BMW F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2098200789
Mercedes CLK A209 Convertible Antenna Amplifier Module A2098200789
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2709060500
Ignition Coil Mercedes W176 W204 C207 W212 Petrol Cable Connector A2709060500
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 5M5T14B192CA
Ford Transit Custom Relay 4-Pin Black 12V 40A FOMOCO SET 5M5T14B192CA
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 7641003-2
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Automatic
Promo price
€636.95
€541.41
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2465408109
Door Wiring Mercedes W176 Loom Cable Rear Left Right N/O/S A2465408109
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 09G927750FD
VW Volkswagen Tiguan 5N Automatic Gearbox Module Control Unit ECU 09G927750FD
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A0009821923-1
Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relays Set A0009821923
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6907329
BMW E65 Door Cable Guide Rear Left N/S Wiring Loom Bracket Trim Cover 6907329
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9118931
BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 9366339
BMW G32 GT Door Wiring Harness Loom Cable Rear Left Right N/O/S 9366339
€28.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8S0915181C
Audi Q5 FY A5 Negative Battery Terminal Cable Wiring 8S0915181C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9203304
BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9207857
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2229063202-1
Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2709000900-4
Mercedes W176 A45 4Matic M133.980 381HP Engine Control ECU A2709000900 Automatic
Promo price
€569.95
€341.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 1378238
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2124400706
Wiring Harness Mercedes W212 LED Lighting Air Nozzle Cable A2124400706
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1729006613
Mercedes SLK R172 GPS Navigation System Screen Display A1729006613
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2038219751-1
Mercedes-Benz C-Class W203 Alarm Sensor Module Unit A2038219751
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8512047-5
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE 8512047 CAS 2 Keys Manual Transmission
Promo price
€180.95
€108.57
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2189058500
Mercedes CLS X218 Antenna Amplifier Rear Aerial Control Module A2189058500
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 1Y0951177
VW Volkswagen New Beetle Alarm Motion Detector Sensor Module Unit 1Y0951177
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4E0941817A
Audi RS4 B8 Front Door Wiring Harness Loom Plug Socket 4E0941817A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8642682
BMW F30 LCI 330e Negative Earth Cable High Voltage Battery 8642682
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7823420
BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8582155-3
BMW F20 F30 F32 120dX 320dX 420dX 184HP N47N Engine ECU 8582155 Automatic
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2479002513
Telematic Control Module Mercedes W447 W907 W910 Telematics Unit A2479002513
Promo price
€113.95
€96.86
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9199491
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Left N/S 9199491
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9289374
BMW X5 X6 F15 F85 F16 F86 Front Battery Fuse Box Positive Distribution Terminal
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2048704626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 912034H670
Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91203-4H670
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. BK2T18D815GD
Ford Transit Custom MK8 Radio Stereo Audio USB Head Unit Panel BK2T18D815GD
€56.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 5Q0959593F
Volkswagen Golf Mk8 Door Module Front Right O/S ECU Control Unit 5Q0959593F
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9289587
BMW 2 X1 Series F45 F48 Radio Antenna Amplifier Suppression Filter 9289587
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9670855680
Peugeot Partner Diesel Glow Plug Wiring Loom Cable Wiring 9670855680
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9225830
BMW F07 Right O/S Central Bass Loud Speaker Stereo System Unit 9164582
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8W0971235A
Audi A4 B9 Negative Battery Terminal Cable Harness Wiring Loom 8W0971235A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2465453740
Mercedes-Benz A B Class W176 W246 Rear Fuel Pump Control Unit Bracket Holder
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2535409530
Mercedes X253 Hybrid Engine Wiring Harness Loom Cable A2535409530
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2045409813
Battery Cable Mercedes W204 W207 Positive Wiring Harness Loom A2045409813
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8578944-2
BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7601799
Earth Ground Cable BMW X3 F25 Battery Cable Engine Wiring 7601799
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
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 .