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. 4F0910177
Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8P0035785-1
Audi A3 8P Multimedia Interface Unit Module Bracket Mount 8P0035785
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8P0035785
Audi A3 8P MMI Multimedia Interface Unit Module Control ECU 8P0035785
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 4E0035654A
Audi A6 C6 MMI Multimedia Navigation Control Head Unit 4E0035654A
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
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Part no. 4E0910336MX
Audi A6 C6 Bluetooth Multimedia Interface Control Module Unit ECU 4E0910336MX
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€75.95
€45.57
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Part no. 8584817
BMW G20 G21 G01 G02 Wiring Harness Engine Glow Plug Module 8584817
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€28.95
€24.61
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Part no. 4F0903291
Audi A6 C6 3.0 TDI Suppression Condenser Noise Filter 4F0903291
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€23.95
€22.75
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If paid before 14:00
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Part no. A2535403700
Mercedes X253 Rear PDC Parking Aid Sensors Harness Wiring Loom Cable A2535403700
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 4F0907283
Audi A6 C6 FL Tire Pressure Control Module 4F0907283
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 1K0909606C
Crash Impact Sensor Volkswagen Golf Audi A4 Q7 A6 C6 Air Module Unit 1K0909606C
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 7H0919275C-PRB
Skoda Octavia II PDC Parking Sensor Control Unit Module Prince Blue F5X
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 8D0951253A
Audi A6 C6 Multi Use Relay Unit Module 4 Pins 373 8D0951253A
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€23.95
€22.75
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Part no. 4E0035729
Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729
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€23.95
€22.75
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Part no. 4F0907280A
Audi A6 C6 On Board Onboard Supply Module Control Unit ECU 4F0907280A
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€23.95
€22.75
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Part no. 4F0907357F
Audi A6 C6 Headlight Head Light Lamp Range Control Unit Module ECU 4F0907357F
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€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 4F9035225D
Audi A6 C6 Antenna Amplifier Control Unit Module ECU 4F9035225D
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€23.95
€22.75
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Part no. 4F0959655B
Audi A6 C6 Air Module Control Unit ECU Module 4F0959655B
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€23.95
€22.75
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If paid before 14:00
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Part no. 4E0919887M
Sat Nav Audi S8 D3 A6 C6 DVD Drive Navigation Control Unit 4E0919887M
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 8E0907637B
Audi A6 C6 Yaw Module Rotation Rate Acceleration Sensor 8E0907637B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 4F0971235
Audi A6 C6 Negative Battery Terminal Cable Wiring 4F0971235
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 4F0953549A
Audi S6 C6 Steering Column Wiper Switch Stalk Cruize Control 4F0953549A
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 5N0971228
VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 1K0937125A
Skoda Octavia II Engine Bay Fuse Box 1K0937125A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8644376
BMW G20 G30 F40 F45 Mini F54 F56 F60 Crankshaft Position Sensor 8644376
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9355462
BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8678974
Engine Cable BMW F40 X1 F48 Mini F55 F56 Injector Wiring Loom Harness 8678974
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
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Part no. 4F0915519
Volkswagen Polo Touareg Audi A4 A6 A7 A8 Battery Overload Protection 4F0915519
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. 8693361
BMW F87 M2 Engine Control ECU Kit DME 8693361 N55 370HP Key Dual Clutch
Promo price
€949.95
€569.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 02M911024A
Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 7N0907530AF
VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
€32.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9266838
BMW X3 F15 Can Bus Interface 120Ohm Control Module Unit ECU 9266838
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 5M0907357C
Volkswagen VW Tiguan 5N Headlight Range Control Unit Module ECU 5M0907357C
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A6401501891-1
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine ECU Kit Key A6401501891
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6882780
BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6819651
BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9268438
BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2319052600
Mercedes R172 Security Alarm Interior Protection Sensor Module Unit A2319052600
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1729003106
Mercedes SLC R172 Parktronic Parking Sensor Module Unit ECU A1729003106
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
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 07
If paid before 14:00
-5%
Part no. 6819653
BMW X5 F15 Fuse Box Front Body Control Module ECU BCM Unit 6819653
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 2K5951172
VW Volkswagen Caddy Maxi Interior Roof Alarm Sensor Module Unit 2K5951172
Promo price
€108.95
€92.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2058200704
Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2075404107
Mercedes W204 M276 NOX Sensor Adapter Left N/S Harness Wiring Cable A2075404107
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2075404207
Mercedes W204 M276 NOX Sensor Adapter Right O/S Harness Wiring Cable A2075404207
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0009828023
Fuse Relay Mercedes C117 W166 W176 W205 X253 Black 4 Pin 12V A0009828023
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8589168
Alternator Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589168
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8589170
Starter Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589170
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9391253
BMW F10 F11 Wiring Cable Loom 9391253 9391252
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9317866
BMW F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2115455332
Mercedes C219 SAM Module Comfort Control Unit A2115455332
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2709002900-1
Mercedes X156 GLA200 M270.910 156HP Engine Control Unit ECU Kit A2709002900 Key
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2059004321
Mercedes W205 X253 Front Right O/S Door Control Unit Module A2059004321
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1K0907655D
VW Touran 1T Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8P0035503M
Audi A3 8P Bluetooth Antenna Module Control Unit 8P0035503M
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4H0951253
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit 4H0951253
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1K0907719C
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A1179001702
Mercedes GLA X156 Interior SRS Air Module Seat Belt Tensioner A1179001702
Promo price
€127.95
€76.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1K0937125D
Audi A3 8P Engine Bay Fuse Box 1K0937125D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8P1862335
Audi A3 8P Telematics Bluetooth Module Control Unit ECU 8P1862335
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8585933
Wiring Loom Harness BMW F20 F30 F36 LCI B47 Engine Gearbox Module 8585933
Promo price
€123.95
€74.37
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2469003615
Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8680374
BMW F45 Alternator Generator 8680374
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8483814
BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8482365
BMW G20 Installation Cable Wiring Loom 8482365
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8482313
BMW G30 Engine Wiring Loom Harness Ignition Module 8482313
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9390501
BMW 3 4 Series F31 F32 F80 M3 F82 M4 LCI USB Charger Adapter Socket 9390501
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1K0951253A
VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9196591
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1K0951253-1
VW Volkswagen Audi Seat Relay 449 12V 30A Unit Module 4 Pins 1K0951253
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2468201915
AUX Jack Port Mercedes C117 W246 W176 Wiring Loom Cable Harness A2468201915
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-40%
Part no. A4159007503
Mercedes Citan W415 Body Control Module Unit BCM ECU A4159007503 284B18276R
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A4155404305
Microphone Cable Mercedes Citan W415 Wiring Loom Cable Harness 27083202
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A6519007500-16
Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
€42.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7561834-13
BMW E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Automatic
Promo price
€346.95
€208.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0015456403
Mercedes Sprinter W906 Fuse Box Relay Cover Box Cap A0015456403
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2711508033
Mercedes W204 Engine Wiring Harness Cable Loom A2711508033
Promo price
€313.95
€188.37
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2205400382
Mercedes CL S Class C215 W220 Fuse Box Unit Front Right O/S Cover A2205400382
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9281714
BMW F83 Camera Kafas Front Windscreen Camera 9281714
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2218702986
Mercedes W221 Seat Control Module SSG Unit Front Left Seat N/S A2218702986
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2215408045
TPM Module Mercedes W221 S500 C216 Tire Pressure System Module RDK A2215408045
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2218204189
Mercedes W221 Antenna Amplifier Aerial A2218204189
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2218705885
Mercedes W221 Night Vision System Camera Module Control Unit A2218705885
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2215408245
Mercedes W221 Air Suspension Control Unit Module ECU A2215408245
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8574352
BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic
€89.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2218211251
Mercedes W221 Dashboard Instrument Cluster Panel Button Switch A2218211251
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7939168
Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 7939168
Promo price
€61.95
€52.66
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A0141541302
Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522
Promo price
€80.95
€68.81
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6911922
BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A9075402705
Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
Promo price
€132.95
€79.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2129000204
Mercedes W212 Fuse Box Control Unit SAM Module Relay A2129000204
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2075844181
Mercedes C207 Fuse Box Grouping Fuse Placement Map Card Diagram A2075844181
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
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Part no. A1669004302
Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2465402050
Mercedes W176 Fuse Box Control Unit SAM Module Relay A2465402050
Promo price
€51.95
€44.16
Free delivery - Tue, Oct 07
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 07
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 .