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
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In Stock
Price
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Part no. 4G0907355G
Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
Part no. A0325453832
Module Mercedes W639 Automatic Transmission Control Module Unit A0325453832
£189.95
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6919759
BMW E65 E66 E67 Control Unit Front Centre Console Module 6919759
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7520019
Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Automatic
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9189850
BMW Z4 Series E89 Convertible Positive Battery Cable Wiring Lead 9189850
Promo price
£113.95
£96.86
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9119357
BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9119357
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. rhd-9201489
BMW F01 F02 F10 LCI Operating Unit Centre Console Switch Control Module 9201489
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
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Part no. 9813237
Mini R60 Rear PDC Ultrasonic Parking Sensor Midnight Grey Metallic 9813237
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3456987
Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
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Part no. A0009822723
Mercedes W205 Estate Fuse Relay Box Module Control A0009822723
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7595179-16
BMW E81 E87 LCI E90 E91 Petrol N43 Engine Control Unit ECU DME 7595179 Automatic
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. RHD-8R2035666F
Audi A4 B8 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8R2035666F
Promo price
£104.95
£89.21
Free delivery: Feb 09
If paid before 14:00
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Part no. 8631833
Mini R55 R56 R57 LCI R60 Automatic Gearbox Basic Control Unit EGS 7356237
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
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Part no. A0045429218
YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
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Part no. 9227179
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
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Part no. 8039828
BMW X5 E70 Rear Bumper PDC Parking Sensor Cables Wiring Harness Loom Set 8039828
Promo price
£56.95
£48.41
Free delivery: Feb 09
If paid before 14:00
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Part no. 8736083
BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2479002707
Communication Module Mercedes W177 W247 Hermes LTE Control Unit A2479002707
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
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Part no. 2154179
BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
Part no. GK2112B533AA
Ford Transit Mk8 VI Glow Plug Controller Unit Module Relay GK2112B533AA
£13.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7896848
BMW 5 Series E60 M5 Battery holder Hold Down Strap Bracket 7896848 6938434
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A1715450901
Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
Promo price
£313.95
£188.37
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A0009003310
Mercedes W205 W213 Fuel Pump Module Control Unit ECU A0009003310
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 6840399
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation Business GPS 6840399
Promo price
£189.95
£113.97
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9152262-1
BMW X5 X6 E70 E71 Front Impact Crash Sensor Module 9152262
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9390501
BMW 3 4 Series F31 F32 F80 M3 F82 M4 LCI USB Charger Adapter Socket 9390501
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A0014460340-1
Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
Promo price
£123.95
£74.37
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2469009413-1
Mercedes W176 W246 Control Unit Body Control Module ECU A2469009413
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9890599
BMW F90 M5 G11 G30 Air Module Crash Control Unit 9890599
Promo price
£156.95
£94.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7587548-5
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Manual
Promo price
£474.95
£403.71
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6857701
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6857701
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9241826
On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826
Promo price
£75.95
£64.56
Free delivery: Feb 09
If paid before 14:00
Part no. A0009052702
Mercedes W169 W204 W212 Battery Cable Negative Lead Wiring Harness A0009052702
£18.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-9353043-1
BMW 3 4 Series F30 F31 F32 F33 1 Apron Scuttle Cover Trim Left N/S 9353043
Promo price
£16.95
£14.41
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 2755518
Mini R55 R56 R57 Battery Tray Holder Mounting Bracket Housing Box 2755518
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A4479063000
Mercedes Vito W447 Heater Blower Motor Fan Resistor A4479063000
Promo price
£42.95
£25.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9284331
Mini Cooper R55 R56 LCI R60 R61 Roof Light Switch Operating Unit 9284331
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9177978-1
BMW E82 Coupe ECU Body Control Module Junction Box L1 PL2 JBBFE II 9177978
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9340998
BMW 1 2 Series F21 F22 Wiring Passenger Side Loom Front Door Left N/S 9340998
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 3456365
Roof Security Alarm Mini R55 R56 One Ultra Sonic Module 3456365
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 3424581
BMW X3 Series E83 Airbag Control Unit Module ECU 65773424581 3424581
Promo price
£23.95
£14.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 8510221
BMW E90 E91 LCI E92 330d Diesel N57 Engine Control Unit DDE 8510221 Automatic
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9212916
BMW 5 7 X5 E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor 9212916
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9342080
BMW Mini Cooper F55 F56 F57 F60 Telematics Control Unit Module 2622390
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6900583
BMW E65 E66 Power Distribution Box 6900583
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9312294
BMW Mini F54 F55 F56 F57 F60 Battery Clamping Clam Rail 9312294
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9243896
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2128203785
Door Module Mercedes W204 W212 Front Right O/S Control Unit VST A2128203785
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A0009007607
Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9381445
Mini Cooper F55 F56 F57 IBS Negative Battery Lead Cable 9381445
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8T0915181
Audi A4 RS4 B8 Battery Terminal Negative Cable Loom Harness Wiring 8T0915181
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6983843
BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
Promo price
£75.95
£64.56
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A4479009509-1
Mercedes W447 Comfort Control Unit Module A4479009509
Promo price
£94.95
£56.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9270386
BMW E88 Body Control Module ECU Unit JBBFE IIIR H4 PL2RR 9270386
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2059001722
Computer Mercedes W205 X253 W447 Navigation Radio Player Head Unit A2059001722
Promo price
£170.95
£145.31
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9111165-PB
BMW E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Platinbronze A53 9111165
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9153803
BMW X5 Series E70 Light Lightning Control Unit Module FRM II Lear 9153803
Promo price
£142.95
£121.51
Free delivery: Feb 09
If paid before 14:00
Part no. 3452681-2
BMW Mini Cooper One 2 R55 R56 R57 Radio Boost CD Player Head Unit 3452681
£94.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A2048704426
Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7476046
BMW F20 F21 F30 F31 Mini F55 F56 F57 Fuel Pump Module Control Unit ECU 7476046
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A6399003300
Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
Promo price
£66.95
£40.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9166667
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
Promo price
£142.95
£85.77
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9323554
BMW 1 3 Series F20 F21 F30 Operating Unit Audio FBM Control Unit Panel 9323554
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 7583225-12
BMW E81 E87 LCI E90 E91 N43 118i 318i ECU Kit DME 7583225 CAS3 + Key Manual
Promo price
£161.95
£97.17
Free delivery: Feb 09
If paid before 14:00
Part no. A2469060093
Fuse Box Mercedes W176 OM607 Front Relay Control Unit Module A2469060093
£18.95
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9283526
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283526
Promo price
£142.95
£85.77
Free delivery: Feb 10 – 17
If paid before 14:00
-15%
Part no. 9189175
BMW 1 3 5 Series E60 E61 E81 E87 E90 E91 USB AUX In Socket Port Plug 9189175
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9167397
Mini Cooper R57 R58 R59 Hands Free Telephone Microphone 9167397
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6913389
BMW X3 X5 Z4 E53 E83 E85 6 Disc CD Changer Multichanger Without Magazine
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9270035
Antenna Aerial Amplifier Mini F55 F56 F60 Rear AM/FM DAB 9270035
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 3453587
BMW X3 E83 LCI N47 Diesel Cable Alternator Starter Base B 3453587
Promo price
£32.95
£28.01
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9302256
BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 9302256
Promo price
£66.95
£40.17
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. A2049006301
Mercedes W204 Rear SAM Module Fuse Box Control Unit A2049006301
Promo price
£37.95
£22.77
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 6958127
BMW E93 Convertible Hall Sensor Trunk Boot Control Unit Module 6958127
Promo price
£28.95
£24.61
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9181378
Electronics Charging BMW E60 E87 E90 E91 Hands Free Module MULF2 9181378
Promo price
£51.95
£31.17
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2048709426
Mercedes W204 Air Module Control Unit SRS Sensor ECU A2048709426
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9289637
BMW F10 Rear Window Parcel Shelf Loudspeaker Speaker Left Right N/O/S 9289637
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. rhd-A2479008311
Mercedes W177 Dash Monitor Display Speedo SAT NAV Virtual Cockpit A2479008311
Promo price
£213.95
£181.86
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. rhd-8511683
BMW 3 Series E90 E91 E92 E93 LCI 320d N47N Engine Wiring Loom Harnes DDE 8511683
Promo price
£66.95
£40.17
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A6429002900
Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900
Promo price
£113.95
£96.86
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 8E0951253
Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2129004203
Mercedes W212 Boot Lid Control Unit Trunk Lid Module A2129004203
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7570254
Plus Cable BMW X1 E81 E87 E90 E91 N45 N46 Alternator Starter Wiring 7570254
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1179005800
Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
Part no. 7492035
Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
£32.95
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7850995
Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995
Promo price
£23.95
£20.36
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 7525434
Mini R52 R53 W11 Battery Cable Wire Harness Starter Base B 7525434
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9286129
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 9286129
Promo price
£47.95
£28.77
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 9216128
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU 9216128
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A1698207326
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9195246
Electronics Charging BMW E81 E87 E90 E91 Hands Free MULF2 9195246
Promo price
£28.95
£17.37
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9230455
BMW E81 Footwell ECU Light Control Module Basis PL2 FRM3R Lear 9230455
Promo price
£104.95
£62.97
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 9154128
BMW Mini Cooper One R56 Front Left Passenger's Door Wiring Harness N/S 9154128
Promo price
£17.95
£15.26
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. 6864927
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-40%
Part no. 9281826
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9281826
Promo price
£85.95
£51.57
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2139008013
Bluetooth Module Mercedes W176 W213 Control Unit Hands Free A2139008013
Promo price
£13.95
£13.25
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. 7188487
BMW E93 Convertible Battery Mounting Bracket Clamp Bolt Holder Mount 7188487
Promo price
£18.95
£16.11
Free delivery: Feb 09
If paid before 14:00
-15%
Part no. A1779006604
Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779006604
Promo price
£37.95
£32.26
Free delivery: Feb 09
If paid before 14:00
-5%
Part no. A2045406662
Mercedes-Benz C W204 PDC Parking Sensor Distance Control Module A2045406662
Promo price
£13.95
£13.25
Free delivery: Feb 09
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 .