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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Category
Subcategory
Condition
In Stock
Price
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Part no. A2128270228-IRS
Mercedes W212 Roof Antenna Shark Iridium Silver Metallic 775 E-Class A2128270228
Promo price
£23.95
£14.37
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 03L903023
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
Promo price
£37.95
£22.77
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. A6519062300
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A6519062300
Promo price
£28.95
£17.37
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. rhd-A0061519901
Starter Motor Mercedes W204 W212 OM642 Diesel Engine Starter A0061519901
£28.95
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. A2709000900-6
Mercedes C117 W176 A180 270.910 122HP Engine Control ECU Kit A2709000900 Manual
Promo price
£284.95
£242.21
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 6841649
BMW G11 G12 G30 G31 G32 GT F90 Parking Assistant Control Unit PDC Module 6841649
Promo price
£32.95
£28.01
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 9354393
Mini F55 F56 F57 Central Cover Information Instrument Radio 9354393
Promo price
£28.95
£17.37
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. 9383694
BMW F10 Footwell Light Module Control Unit ECU TEMIC 9383694
£47.95
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 7512967-1
Mini Cooper R50 R52 R53 Base B Terminal Point Engine Compartment 7512967
Promo price
£13.95
£13.25
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Part no. 9359013
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9359013
Promo price
£66.95
£40.17
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 9270365
BMW F20 F21 F30 F31 F32 Radio Professional CD DAB Head Unit 9299268
Promo price
£56.95
£48.41
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 9176682
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682
Promo price
£94.95
£80.71
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. A2475452301
Mercedes C118 W177 W247 Engine Compartment Fuse Box Bracket M260 A2475452301
£28.95
Free delivery - Thu, Nov 13
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Part no. RHD-A2218700289
Mercedes W221 Dashboard Onboard Screen Monitor Navigation Display A2218700289
£47.95
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 9210861
BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 4F1971036F
Audi A6 C6 Front Passenger Door Wiring Left N/S Harness Loom Cable 4F1971036E
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 8T0907468AD
Audi A4 B8 Gateway Interface Control Unit Module ECU 8T0907468AD
Promo price
£23.95
£14.37
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 3D0909601F
VW Volkswagen Touareg 7L Air Module Control Unit ECU SRS 3D0909601F
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 5H9971693BL
VW Volkswagen Golf CD1 Rear Door Left N/S Harness Wiring Cable Loom 5H9971693BL
Promo price
£23.95
£14.37
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. A2049003915
Mercedes C204 Radio Sat Nav CD Stereo Head Unit A2049003915
Promo price
£75.95
£45.57
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. A2035402206
Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 8798185
BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
Promo price
£113.95
£68.37
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If paid before 14:00
-5%
Part no. 7555185
E-Box Fan BMW X5 E70 X6 E71 Sunon Cooler PSD1205PIBX-A 13.5V 7555185
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 7498464
Tailgate Smart Opener BMW F10 F11 F30 LCI X3 F25 Control Unit Module 7498464
Promo price
£47.95
£40.76
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 9399431
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
Promo price
£85.95
£51.57
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 8V4971687K
Audi A3 RS3 8V 5Dr Door Harness Loom Wiring Rear Left Right N/O/S 8V4971687K
Promo price
£18.95
£16.11
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. A1729002609
Mercedes SLK R172 Rear Fuse Box SAM Relay Control Unit Module A1729002609
Promo price
£37.95
£22.77
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. A2781500056
Wiring Harness Mercedes GLE W166 C292 Automatic Gearbox Cable Loom A2781500056
Promo price
£56.95
£48.41
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. A2079000600
Mercedes C207 Door Module Rear Right O/S Control Unit ECU A2079000600
£18.95
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. A1648203085
Mercedes ML W164 Window Windscreen Rain Light Sensor A1648203085
£18.95
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. A1568200089
Mercedes W176 W246 Tailgate Aerial Antenna Amplifier Unit A1568200089
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 6938664
BMW E65 E66 Control Unit Front Centre Console Module 6938664
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 2755095
Mini Clubman R55 Amplifier Holder System HiFi Stereo Audio 2755095
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 6940236
BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 9286110
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9286110
Promo price
£94.95
£56.97
Free delivery - Fri, Nov 14
If paid before 14:00
Part no. 6777641-1
Air Module Wiring BMW X5 E70 E81 E87 E90 E91 E92 E93 Steering Wheel Loom
£23.95
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. A2118705726
Air Module Mercedes W211 C219 Air System Control Unit ECU A2118705726
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 9137799
Door Wiring Mini Cooper R55 R56 R57 R58 R59 Passenger Cable 9137799
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. A2204451900
Mercedes W220 Central Gateway Control Unit Module ECU A2204451900
Promo price
£28.95
£24.61
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 9226328
BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 8506570-1
BMW X5 E70 X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8506570 + CAS3 + Key
Promo price
£427.95
£256.77
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. rhd-8507799
BMW 3 Series E90 E91 E92 LCI N47N Wiring Harness Engine Injector Module 8507799
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 7594305-5
BMW E60 E61 E90 E91 LCI 325i N53 218HP Engine Control ECU DME 7594305 Automatic
Promo price
£237.95
£202.26
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 022906032HE
Audi TT 8J 3.2 FSI BUB Quattro 250HP Engine Control ECU 022906032HE Automatic
Promo price
£237.95
£202.26
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 8507981
BMW F07 GT F10 F11 Engine Wiring Loom Harness Cables M57Z Diesel 8507981
Promo price
£161.95
£137.66
Free delivery - Fri, Nov 14
If paid before 14:00
-15%
Part no. 6881636
Mini Cooper One F54 F55 F56 F57 Parking Assistant Control Unit Module 6881636
Promo price
£28.95
£24.61
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. 1K0909605AE
VW Volkswagen Scirocco Mk3 Air Module Control Unit ECU 1K0909605AE
£13.95
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. TECHNOPART-AGM-80AH
Technopart AGM115 Start Stop Accumulator Battery Electrical Unit 80Ah 800A 12V
£113.95
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. A1669003309
Mercedes W176 W204 W246 Headlight Headlamp Range Control Unit Module A1669003309
£37.95
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 9113064
BMW 5 Series E60 E61 LCI Centre Console Switch Cluster Control Unit ECU 9113064
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 518171004
DAF 85CF Fuse Box Module Electrical Relay Control Unit 518171004
Promo price
£28.95
£17.37
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. A1779069601-1
Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601
Promo price
£104.95
£62.97
Free delivery - Fri, Nov 14
If paid before 14:00
Part no. 9264573
BMW 3 Series E91 LCI ECU Body Control Module Junction Box H2 9264573
£28.95
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 6822586
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Module Basic 6822586
Promo price
£113.95
£68.37
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 9441868
BMW 1 3 Series F20 F21 F30 F31 F32 F33 LCI Head Unit Basic Navigation 2 9441868
Promo price
£379.95
£227.97
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 7N0907530AF
VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
Promo price
£28.95
£24.61
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 4F0971687A
Audi A6 C6 Door Window Motor Wiring Cable Loom Front Right O/S 4F0971687A
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 7391042
BMW F10 F30 X1 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 7391042
Promo price
£28.95
£17.37
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 6807395
Interface Control Module BMW F10 F20 F30 Bus Unit 120 OHM 6807395
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. A0045467540
Mercedes W204 W221 Distributor Box Block Control Unit Relay A0045467540
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 5G0035820A
Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A
Promo price
£42.95
£25.77
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 5A07858
Air Conditioning Control BMW G01 G11 G12 G30 G31 F98 X4M Unit Module 5A07858
Promo price
£42.95
£25.77
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 9286780
Module BMW E82 Junction Box Body Comfort Control Unit 9286780
Promo price
£37.95
£32.26
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. A2049005003
Mercedes S204 Estate Fuse Box Rear SAM Module Control Unit A2049005003
Promo price
£42.95
£25.77
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. 8W0959592H
Audi A4 B9 A5 F5 Front Door Module Control Unit ECU Passenger Side 8W0959592H
£18.95
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 4H0907355D
Audi A7 4G A8L 4H Ad Blue Control Module Unit ECU 4H0907355D
Promo price
£28.95
£17.37
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 8636066
Valvetronic Wiring BMW F20 F30 LCI B48 Petrol Engine Actuator Cable Loom 8636066
Promo price
£23.95
£14.37
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 7316535-3
BMW F06 F13 Sliding Sunroof Drive Motor Unit Webasto 7316535
Promo price
£37.95
£22.77
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 7823310
BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
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
£332.95
£199.77
Free delivery - Fri, Nov 14
If paid before 14:00
-15%
Part no. RHD-6974666
BMW E84 E90 E91 Instrument Cluster Speedo Clocks Automatic 6974666
Promo price
£28.95
£24.61
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 7436676
Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676
Promo price
£28.95
£17.37
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. A1679003811
Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811
Promo price
£32.95
£19.77
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 9116801
Hands Free Module BMW E60 E90 Everest Motorola Non GPS Phone 9116801
Promo price
£23.95
£14.37
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 6821407
High Voltage Cable BMW F45 Mini F60 Hybrid Harnes EDH 6821407
Promo price
£32.95
£19.77
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. FT1T3C221BF
Ford Transit Connect Mk2 Steering Rack Wiring Loom Harness FT1T-3C221-BF
Promo price
£28.95
£24.61
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 8570848
Mini Cooper One D F54 F55 F56 F57 Engine Starter Motor Diesel Bosch 8570848
Promo price
£28.95
£17.37
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 3457402
Mini Cooper R58 Coupé Footwell Light Module High EKS PL3 FRM3R 3457402
Promo price
£189.95
£113.97
Free delivery - Fri, Nov 14
If paid before 14:00
-40%
Part no. 7561684-9
BMW E60 E90 325i 525i N52 218HP Engine ECU Unit Kit DME 7561684 CAS2 Key Manual
Promo price
£237.95
£142.77
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. A2721533779-3
Mercedes A209 SLK350 272.960 272HP Engine Module ECU A2721533779 Automatic
Promo price
£189.95
£161.46
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 7595179-20
BMW E87 LCI E90 120i 320i 143HP Petrol Engine Unit ECU N43 DME 7595179 Automatic
Promo price
£47.95
£40.76
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 8512499-13
BMW E84 18dX N47 143HP Diesel Engine Control Module ECU Kit DDE 8512499 Manual
Promo price
£142.95
£121.51
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 6948576
BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
Promo price
£28.95
£24.61
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. 7PP035223P
Porsche Cayenne 92A Audio Sound Amplifier Bose System 7PP035223P
£854.95
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. A1719000100
Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000100
Promo price
£142.95
£121.51
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 35962
BMW X3 Series E53 E83 iPod Interface Retrofit Connection Module 0035962
Promo price
£42.95
£25.77
Free delivery - Thu, Nov 13
If paid before 14:00
Part no. 4F1971035C
Audi A6 C6 Front Door Wiring Harness Loom Cable Right O/S 4F1971035C
£13.95
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 9259354
BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
Promo price
£94.95
£56.97
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 6G9T-14B192-AA
Ford Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-AA
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. A2078210411
Mercedes W204 W207 Centre Console Connector AUX USB Port Socket Trim A2078210411
Promo price
£18.95
£16.11
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. A9105400805
Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. A6396890379
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890379
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-40%
Part no. 9387453
Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
Promo price
£237.95
£142.77
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. 8V0035399C
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035399C
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 8513242
BMW F10 F11 520d Diesel N47N 184HP Engine ECU DDE 8513242 Automatic
Promo price
£94.95
£56.97
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. 5Q0937084DC
Audi A3 RS3 8V Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DC
Promo price
£18.95
£16.11
Free delivery - Thu, Nov 13
If paid before 14:00
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Part no. 9248556
BMW F01 F10 F12 F30 Front Seat Electrical Control Unit Module ECU BA/M 9248556
Promo price
£28.95
£17.37
Free delivery - Thu, Nov 13
If paid before 14:00
-5%
Part no. A2225403150
Fuse Box Mercedes W205 Front Passenger Side Footwell Fuse Box A2225403150
Promo price
£13.95
£13.25
Free delivery - Thu, Nov 13
If paid before 14:00
-15%
Part no. A6519003802
Mercedes W906 OM651 Glow Plug Control Replay Module Unit ECU A6519003802
Promo price
£18.95
£16.11
Free delivery - Thu, Nov 13
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 .