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
-15%
Part no. A2711535391-2
Mercedes R171 SLK 200K 184HP M271.944 Engine ECU Kit A2711535391 Key Lock
Promo price
€275.95
€234.56
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 913463601
Seat Module BMW E65 Front Seat Control Unit Module ECU 913463601
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6958525
BMW X5 X6 E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6958525
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 6989069
BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 6986081-2
CD Changer BMW E60 E61 E63 E64 Compact CD Changing Unit 6986081
Promo price
€37.95
€32.26
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A1668200689
Antenna Amplifier Mercedes W176 Aerial Module Unit Rear A1668200689
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 6972651
BMW Mini R52 Cabrio Convertible Folding Top Roof Module 6972651
Promo price
€23.95
€22.75
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If paid before 14:00
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Part no. H2862N-P
Mini R56 R57 R58 R60 Display Screen 9 inch Android Surround Panel H2862N-P
Promo price
€284.95
€242.21
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 2753031
Mini Wiring Loom Harness Cable Plug Connector Socket Input 2753031
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. A2048205497
Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A2048205497
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 4H0907401-1
Audi A8 4H 3.0 TDI CDTA 250HP Quattro Engine ECU Kit 4H0907401 BCM + Key + Lock
Promo price
€379.95
€227.97
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 9249083-1
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9249083
Promo price
€113.95
€96.86
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 9176884
BMW E93 ECU Body Control Module H3 Junction Box 61359176884 9176884
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€32.95
€28.01
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If paid before 14:00
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Part no. 9188853
BMW X5 E70 X6 E71 Battery Earth Cable Ground - Pole Lead L= 490MM 9188853
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 9137703
Mini Cooper One R55 R56 Door Wiring Harness Factory Right O/S 9137703
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 9390835
Sound Amplifier BMW X5 F15 X6 F16 Active Harman Becker Design 9390835
Promo price
€37.95
€32.26
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. A2469052602
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. A2469005312
Mercedes X117 X156 W246 Relay Control Unit Module A2469005312
Promo price
€75.95
€45.57
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. A9066800214
Mercedes Sprinter W906 Radio Fan Adapter Cooling Control Unit Module A9066800214
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. A0009828023
Fuse Relay Mercedes C117 W166 W176 W205 X253 Black 4 Pin 12V A0009828023
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. A1769009203
Mercedes R172 R231 Headlight LED Ballast Control Unit Module A1769009203
€85.95
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 5G0035222A
Volkswagen Golf Mk7 Media In Port Socket Connection Adapter 5G0035222A 5Q0035736
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 8K0937517B
Audi RS4 B8 Positive Battery Distribution Terminal Junction Relay Box 8K0937517B
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. A2135406100
Fuse Box Mercedes W205 Interior Equipment Fuse Box Control Module A2135406100
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A0005456916
Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
Promo price
€27.95
€26.55
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 80C919616
Audi Q5 FY Multimedia Volume Control Button Switch Knob Head Unit 80C919616
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 4H0915181F
Audi A8L 4H Negative Battery Cable Lead 4H0915181F
Promo price
€85.95
€73.06
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9176078
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9176078
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9353066
BMW F20 F21 F30 F31 Relay Cover Electric Fan Relay Cap 9353066
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. A2514401909
Mercedes W164 W251 Wiring Loom Cable Harness Door Front Left Right A2514401909
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. A4475400053
Mercedes Vito W447 Negative Battery Cable A4475400053
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 8648856
BMW F39 F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648856
Promo price
€47.95
€28.77
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 9227179
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. A1728202100
Mercedes W176 W207 W246 USB Interface Multimedia Adapter Connector A1728202100
Promo price
€56.95
€48.41
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 8518569-5
BMW F20 F21 F30 F31 N47N 118d 318d 143HP Engine Control ECU DDE 8518569 Manual
Promo price
€80.95
€68.81
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 9123605
BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605
Promo price
€33.95
€28.86
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. A0009002308
Mercedes W447 W906 Adblue Module Exhaust Gas Control Unit ECU A0009002308
Promo price
€89.95
€53.97
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 3454818
BMW Mini Cooper R57 R57N LCI Cabrio Convertible Top Module Roof 3454818
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 8570442
Engine Wiring BMW F25 F26 2.0dX B47 Loom Module Harness Cable Automatic 8570442
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9381113
Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 9381113
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 4F0035056B
Audi A6 C6 Head Unit Radio CD Player Control Unit Module 4F0035056B
Promo price
€222.95
€133.77
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2128201689
Mercedes W212 Antenna Amplifier Aerial Module Unit A2128201689
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 7273667
BMW F30 F31 F32 Rear Tailgate Smart Opener Lower Antenna 7273667
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 7510921
Mini R52 Cabrio Petrol W10 Engine Wiring Loom Harness Module 7510921
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 9241826
On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826
Promo price
€94.95
€80.71
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 3405815
BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9191408
BMW X1 Series E84 Wiring Cable Loom Set Rear Door Left Right N/O/S 9191408
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 9803844-1
Mini Cooper Countryman R58 R60 R61 Aerial Roof Antenna Base Module 9803844
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6918567
BMW 7 Series E65 E66 E67 Seat Control Unit Module Heating 6918567
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 3417160
BMW X3 E83 LCI Cable Alternator Starter Base B 3417160
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2055400555
Mercedes W205 Door Electrical Wiring Harness Front Left N/S A2055400555
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 9339274
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9339274
Promo price
€66.95
€40.17
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 8U0907468G
Audi Q3 8U Gateway Interface Control Module Unit ECU 8U0907468G
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 7557395-16
MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A2048210851
Mercedes W212 Windscreen Rain Sensor Temperature Humidity Unit A2048210851
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 80A907247
Audi SQ5 FY Line Keyless Entry Antenna Control Module 80A907247
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A1644407110
Mercedes W164 Wiring Loom Cable Harness Door Rear Left Right A1644407110
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. A2535402605
Mercedes GLC X253 Rear Bumper Wiring Loom PDC Harness Parking Sensor A2535402605
€66.95
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 9367376
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376
Product currently unavailable
-5%
Part no. A2469004512
Mercedes-Benz A M Class W166 W176 Parking Brake Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. A2135452040
Mercedes W213 Head Unit Bracket Control Unit Module Holder Mount A2135452040
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 8T0971365J
Audi A5 8T Seat Cable Front Wiring Loom Harness Left Right N/O/S 8T0971365J
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 95230-4H200
Hyundai H-1 iLoad Relay Module Control Unit ECU 95230-4H200
Promo price
€113.95
€96.86
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. A6081550035
Mercedes W177 Alternator Mounting Bracket Carrier A6081550035
Promo price
€66.95
€56.91
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 7570488-1
Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Engine Starter Motor 0986018840
€28.95
Free delivery - Thu, Nov 06
If paid before 14:00
-15%
Part no. 8572426
BMW F30 F32 LCI 335dX 435dX Engine Injector Ignition Wiring Cable Loom 8572426
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 3455305
Mini R57 R57N R58 R59 DWA-Alarm System Relay ECU 3455305 65753455305
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
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 - Thu, Nov 06
If paid before 14:00
-5%
Part no. 4F0915519
Volkswagen Polo Touareg Audi A4 A6 A7 A8 Battery Overload Protection 4F0915519
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 6933268
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933268
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 8578945
BMW F20 F30 116d 316d N47N 116HP ECU Engine Contol Unit DDE 8578945 Automatic
Promo price
€47.95
€28.77
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 6957330
BMW E60 E61 E63 Power Distribution Electrical Fuse Box 6957330
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. A0005459712
Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 130002613
BMW 5 X5 7 Series E60 E60N E61 E65 E66 E67 E70 Drive Longitudinal Seat Adjust
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
Part no. 9286943
BMW 5 F11 Touring Body Control Module ECU Junction Box V7 PL6 JBBFE III 9286943
€56.95
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 4E0959655K
Audi A8 4E S8 D3 SRS Bag Control Air Module Unit Bosch 4E0959655K
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 7PP941572AB
Audi A4 B9 Volkswagen Tiguan 1T Headlight Ballast Control Module 7PP941572AB
Promo price
€47.95
€40.76
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 4H0907801E
AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 9153418-2
BMW F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 4G8971085DP
AUDI A6 C7 A7 FY Sensor Harness Installation PDC Radar 4G8971085DP
Promo price
€56.95
€34.17
Free delivery - Thu, Nov 06
If paid before 14:00
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Part no. 7273666
BMW F30 F31 F32 Rear Tailgate Smart Opener Upper Antenna 7273666
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00
-40%
Part no. 6993311
Seat Module BMW F20 F32 F33 Control Unit Front Left Right N/O/S 6993311
Promo price
€113.95
€68.37
Free delivery - Thu, Nov 06
If paid before 14:00
-5%
Part no. 7174403-5
BMW E92 Coupe Rear Light Lamp Plug Socket Wiring Left N/S 6984754
Promo price
€23.95
€22.75
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Part no. 8380118
BMW E46 Amplifier Holder Audio Catch Bracket Mount Trim 8380118
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€23.95
€22.75
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Part no. A1698202675
Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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€61.95
€52.66
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Part no. 6857208
Parking Distance Assistant BMW 20 F21 F30 F31 F36 Control Unit Module 6857208
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€42.95
€36.51
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Part no. 8371312
BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312
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€23.95
€22.75
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Part no. 3Q0907530AC-1
Audi Q2 GA Gateway Diagnostics Interface Control Module 3Q0907530AC
€23.95
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Part no. 03C903023F
Volkswagen New Beetle 1.4 TSI Petrol Engine Alternator Motor 14V 110A 03C903023F
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€66.95
€56.91
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Part no. A2139008730
Mercedes C253 W177 W205 W247 Gearbox Module Control ECU Automatic A2139008730
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€37.95
€32.26
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Part no. 9143121-1
BMW E81 E87 E90 E91 E92 E60 E61 Loudspeaker Speaker Logic7 L7 HiFi Audio 9143121
€37.95
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If paid before 14:00
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Part no. 9251702
BMW 1 2 3 Series F20 F21 F22 F30 F31 F32 Connecting Wire Sat Nav Champ/Mask-CID
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€32.95
€28.01
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Part no. 9367673
Mini Cooper F55 F56 F57 Visual Boost Surround Central Cover Instrument 9367673
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€47.95
€40.76
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Part no. 9113064
BMW 5 Series E60 E61 LCI Centre Console Switch Cluster Control Unit ECU 9113064
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€23.95
€22.75
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Part no. 8X0915181
Audi A4 B8 A5 8T TT Mk2 Negative Battery Terminal Cable Lead 8X0915181
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€23.95
€22.75
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Part no. 4L0959795B
Audi Q7 4L Door Control Module Unit ECU Rear Left N/S 4L0959795B
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€23.95
€22.75
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Part no. 9350336
BMW F06 F12 F13 F80 Mini F56 Radio CD Player Head Unit 9395949
€75.95
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Part no. 8U0959655D
Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
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€47.95
€28.77
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Part no. 7804110
BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
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 .