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. 9189905
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9189905
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2139005223
SAM Module Mercedes W213 C238 Control Unit Front ECU A2139005223
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8367253
BMW E38 Fuse Box Battery Power Junction Control Unit Module 8367252 8367253
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9267456
Control Unit BMW F10 F11 Body Module ECU JBBFE IIIR V2 PL6 ECU 9267456
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 06E971627Q
Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627Q
Promo price
€23.95
€22.75
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If paid before 14:00
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Part no. 8380407-1
BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407
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€23.95
€22.75
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If paid before 14:00
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Part no. 8618444
BMW F30 LCI 330e B48X Cell Module Connector 8618444 61278618444
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€28.95
€24.61
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Part no. 9387265
Control Unit BMW F20 F21 F22 F30 F31 F32 F36 Module FEM ECU LR01 9387265
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€66.95
€56.91
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Part no. 6929715
BMW 1 Series E81 E87 E87N Positive Battery Lead Cable 61126929715 6929715
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€23.95
€22.75
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If paid before 14:00
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Part no. 6905950
BMW X5 Series E53 Spoiler Dualband Antenna Amplifier Aerial 6905950
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9177981
BMW E90 ECU Body Control Module H1 PL2 JBBFE2 9177981
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6977982-2
Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 2X 6977982
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9371790
BMW 1 Series F20 Telematics Control Unit Module Bluetooth 9371790
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 2GA035284A
Seat Ibiza KJ1 VW Polo MK6 Online Services Control Module ECU Unit 2GA035284A
€132.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 95B907553T
Porsche Macan 95B Air Suspension Control Module Unit ECU 95B907553T
€237.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8K0907064HE
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7512967
Mini Cooper R50 R52 R53 Base B+ Terminal Point Engine Compartment 7512967
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. A2649000700-2
Mercedes W205 C 200 264915 264.915 184HP Engine ECU Module A2649000700 Automatic
Promo price
€246.95
€148.17
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. 9189906
BMW E88 E93 LCI Air Module Control Unit ECU 9189906
Promo price
€32.95
€28.01
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If paid before 14:00
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Part no. 8648843
BMW F45 Mini F60 B38X High Voltage Accumulator Negative Ground Cable 8648843
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. 8373700-3
BMW E60 E63 E87 E90 E91 5X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. A2054400534
Mercedes C205 Bumper PDC Wiring Loom Rear Parking Sensor A2054400534
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. A1765400103
Battery Cable Mercedes C117 W176 Starter Alternator Wiring Harness A1765400103
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. 9207360
BMW E60 E87 LCI E90 Hands-free Bluetooth High Basis MULF2 9207360
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7823731
BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. A2469008516
Parking Brake Module Mercedes W176 W246 Electric Control Unit ECU A2469008516
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. 8678968
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1K0909606C
Crash Impact Sensor Volkswagen Golf Audi A4 Q7 A6 C6 Air Module Unit 1K0909606C
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 4F9035225AA
Audi A6 C6 Antenna Amplifier Control Unit Module 4F9035225AA
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A1645403132
Mercedes-Benz M-Class ML W164 Wiring Loom Cable Harness Fuel Tank A1645403132
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. 6936801
BMW Z4 E85 Roadster Cabrio Convertible Folding Top Roof Module
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6977982-3
Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 4X 6977982
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9216286
BMW F20 F21 Socket Plug Wiring Loom Cable 9216286
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7PP907279CT
Porsche Macan 95B Body Control Unit Module BCM 7PP907279CT
€189.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 03E906019M-2
Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine Control ECU Kit 03E906019M Manual
€161.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2045455640
Mercedes Benz C E W204 W207 Control Unit Module SAM Bracket Mount A2045455640
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9243896
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2055402850
C205 Fuse Box Mercedes C205 Electrical Interior Relay Fuse Socket Control A2055402850
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9454245
Differential Locking Module BMW F90 M5 G20 Rear Axle Control Unit ECU 9454245
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9264916
BMW E82 E88 E92 E93 LCI Control Unit Airbag ECU NO CRASH DATA 9264916
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6799083
Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6799083
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5Q0915181D
Audi A3 S3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181D
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2049009301
Mercedes W212 Media Interface Control Unit Module Multimedia A2049009301
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9116542
BMW E39 X5 E53 X3 E83 PDC Parking Distance Control Unit Active Module 9116542
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9268336
BMW MINI Clubman R55 R55N LCI Cable Adapter Lead Sensor Side Airbag 9207117
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A1769980001
Door Wiring Plug Mercedes W176 W246 Cable Lead Connector A1769980001
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9653805580
Peugeot 308 1.6 HDI Diesel Glow Plug Wiring Loom Cable Wiring 9653805580
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9128602
Cables Wiring BMW E81 E87 LCI Front Bumper PDC Loom Set 9128602
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5Q0971230AQ
Seat Leon 5F VW Golf Mk7 Alternator Wiring Harness Loom Cable 5Q0971230AQ
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 4M0959793H
Audi A5 F5 A4 B9 Front Door Control Module Unit ECU Driver's Side 4M0959793H
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0009828323
Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6C0907159B
Volkswagen Polo 6C Body Sound Impact Control Module ECU 6C0907159B
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A4518200675
Smart Fortwo C450 Aerial Antenna Rod Radio GPS Antenna Unit A4518200675
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A6519007500-7
Mercedes A207 C207 E220 CDI 651.911 BE Engine ECU Kit Ignition + Key A6519007500
Promo price
€142.95
€85.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2129001829
Mercedes C207 W212 Front Right Door O/S Control Unit Module A2129001829
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8W8959107D
Audi A5 F5 Rear Hatch Tailgate Boot Lid Control Module Unit ECU 8W8959107D
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9316568
BMW X5 F15 X6 F16 Front Fuse Box Relay Module Control Unit 9316568
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9247467-1
BMW E92 LCI Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2139005613
Mercedes W213 Front Door Module Right O/S Control Unit A2139005613
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9348726-1
BMW F20 F21 F30 F31 Air Module Control Unit ECU 9348726 0285012518
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. A9064409913
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064409913
€47.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6911584
BMW E65 E66 Steering Wheel MFL Phone Switch Buttons Left N/S 6911584
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6867932
BMW F20 F21 F23 Mini Cooper F55 F56 Control Unit Trailer Tow Hitch 6867932
€66.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. A2135409616-1
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8631634
BMW X5 F15 Earth Ground Cable Negative Battery Lead Wiring 8631634
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2038000178
Mercedes-Benz C CLK Class W203 C209 Vacuum Solenoid Valve A2038000178
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7641649
BMW F10 F20 F30 N20 125i 328i 528i N20 Wiring Harness Engine Module 1 7641649
Promo price
€85.95
€73.06
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8512499-4
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Automatic
Promo price
€256.95
€154.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 05E907309CB
Audi Q2 GA 35 TFSI 1.5 DXDB Engine ECU Kit Ignition + Key 05E907309CB Manual
Promo price
€332.95
€199.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2079001200
Door Module Mercedes C207 W207 Front Right O/S Control Unit ECU A2079001200
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 3Q1959435C
Seat Ibiza KJ1 Keyless Go Control Unit Module ECU 3Q1959435C
€142.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7P0907311-1
Volkswagen Touareg 7P 3.0 TDI CASD 204HP Engine Unit ECU Set 7P0907311 Automatic
€693.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A0009005602
Mercedes W204 W212 Control Unit AMG Drive Select Module ECU A0009005602
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A9075402087
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401305
Promo price
€61.95
€37.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9389657
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9389657
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A2045458401
Mercedes W204 Fuse Box Terminal Connection Unit A2115452301
Promo price
€222.95
€133.77
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8507908
BMW F20 Gearbox Transmission Harness Wiring Loom Manual 8507908
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6809051
BMW F20 LCI REM Rear Electronic Module Fuse Box Control 6809051
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8T0959795J
Audi A5 8T Rear Door Module Control Unit Module ECU Left Right N/O/S 8T0959795J
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9483099
Mini Cooper One F55 F56 F57 Parking Assistant Control Unit Module 9483099
Promo price
€61.95
€37.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8636070
BMW 3 F30 LCI 330e B48X Engine Gearbox Module Wiring Cable Loom Harness 8636070
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1J0971235S
Audi TT 8N HV Battery Negative Earth Terminal Harness Wiring Cable 1J0971235S
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A2059009230
Air Conditioning Module Mercedes W205 C253 A/C Control Unit ECU A2059009230
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6915327-1
BMW E46 E60 E81 E87 E90 E91 F10 F20 F30 2x Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8K0959793N
Audi Q5 8R Front Door Module Control Unit ECU Driver's Side 8K0959793N
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 5B4E028
Remote Control Receiver BMW F70 X5 G05 G60 U06 Mini F65 Radio Module 5B4E028
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A6569000200-1
Mercedes W213 E400d OM656.929 Diesel Engine ECU Kit A6569000200 Automatic
Promo price
€569.95
€341.97
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. A2465406607
Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. A1765401602
Mercedes W176 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1765401602
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. 4F0907283
Audi A6 C6 FL Tire Pressure Control Module 4F0907283
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€28.95
€24.61
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If paid before 14:00
Part no. 6774078-1
BMW Mini Cooper One R50 R53 R55 R56 R57 Input Cylinder Clutch Control 6758825
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. A0325453132
Gearbox Module Mercedes SLK R171 Automatic Transmission Unit EGS A0325453132
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
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Part no. A1695406945
Mercedes SLK R171 Gateway Control Unit Gateway Module ECU A1715405145
Promo price
€32.95
€28.01
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If paid before 14:00
Part no. 8W6971036G
Audi A4 B9 A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971036D
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. BK2T14B144BA
Ford Transit Custom MK8 2.2 TDCI Fuse Relay Box Unit Module BK2T14B144BA
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8E0035456D
Audi A4 B8 Telephone Aerial Antenna Signal Amplifier Module 8E0035456D
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8K0959663H
Porsche Macan 95B Start Stop Voltage Stabilizer Converter Module 8K0959663H
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9211840
BMW F01 Wiring Loom Cable Harness 9211840
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
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 .