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. 5A0BD89
BMW F40 Power Distribution Fuse Box LIN Control Unit Module 5A0BD89
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 6957347
BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Left N/S
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 7612815
BMW F10 M5 F12 F13 M6 F07 X5 F15 Starter Motor 428000-8530 12V 7612815
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€37.95
€32.26
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 9395949-1
Radio Player Mini F54 F55 F56 Stereo Head Unit Module Alpine 9395949
€142.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 03L906018KP
Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic
Promo price
€146.95
€124.91
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If paid before 14:00
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Part no. 9286110
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9286110
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€113.95
€68.37
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If paid before 14:00
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Part no. A2229004213-1
Keyless Go Mercedes GLC X253 Keyless Entry Control Module A2229004213
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€23.95
€22.75
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Part no. 9343687
BMW F01 LCI F07 F10 F11 F25 Safety Control Unit Air Module Bag ECU 9343687
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€42.95
€36.51
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Part no. 6927706
BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor
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€23.95
€22.75
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If paid before 14:00
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Part no. A6396641914
Mount Support Mercedes Vito W639 Battery Bracket Holder Mounting A6396641914
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€23.95
€22.75
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Part no. 6915943
BMW 7 X3 Z4 Series E65 E66 E83 E85 E86 Interface Japan Luggage Module 6915943
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€94.95
€56.97
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 4H0907247
Audi A6 4G Keyless Entry Aerial Antenna Control Unit Module 4H0907247
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 9342033-1
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
€42.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 04L907309G-1
Volkswagen New Beetle 2.0 TDI CUUA 110HP Engine Unit ECU Kit 04L907309G Manual
€222.95
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If paid before 14:00
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Part no. A2129001929
Mercedes W176 Keyless Control Module Unit ECU A2129001929
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€23.95
€22.75
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If paid before 14:00
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Part no. 443937105B-1
Volkswagen Audi Skoda Seat Thermal Fuse Relay Amp 15A 12V 443937105B
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€23.95
€22.75
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If paid before 14:00
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Part no. A2059007143
SAM Module Mercedes W205 Trunk Rear SAM Control Module A2059007143
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€132.95
€79.77
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2058201201
Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
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€23.95
€22.75
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If paid before 14:00
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Part no. A2034404432
PDC Wiring Mercedes CL203 Front Bumper Parking Sensor Loom Cable A2034404432
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€66.95
€40.17
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If paid before 14:00
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Part no. 7570254
Plus Cable BMW X1 E81 E87 E90 E91 N45 N46 Alternator Starter Wiring 7570254
Promo price
€23.95
€22.75
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If paid before 14:00
Part no. 5A234D0
Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Cable 5A234D0
€42.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. A9079020303
Mercedes Sprinter W907 W910 AIr Module Sensor Unit ECU A9079020303
€161.95
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2065403645
Mercedes W206 Front Door Wiring Harness Cable Left Right N/O/S A2065403645
Promo price
€94.95
€80.71
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. H1BT18K811LF
Ford Transit Custom Mk1 Radio Head Unit Control Panel H1BT18K811LF
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€37.95
€32.26
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 7L0971767
Volkswagen Touareg 7L Washer Reservoir Bottle Wiring Harness Loom 7L0971767
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. 7583526-1
BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual
Promo price
€417.95
€250.77
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A1729008206
Interface Module Mercedes W176 W204 W212 Multimedia Control Unit A1729008206
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 4H0907383N
Porsche Macan 95B Trailer Detection Control Module Unit ECU 4H0907383N
€213.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 4H0971224BA
Audi A8 D4 Alternator Starter Motor Wiring Harness Cable Loom 4H0971224BA
€56.95
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2213201058
Mercedes R231 Valve Block Air Suspension Control Unit A2123200358
Promo price
€203.95
€173.36
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2118703485
Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703485
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 02M911023G
VW Volkswagen Golf 1K 2.0 TFSI BWA Starter Motor 02M911023G
Product currently unavailable
-40%
Part no. 7118854
BMW Z4 Series E85 Cable Loom Wiring Harness Rear Window Heating 7043906
Promo price
€56.95
€34.17
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A0009006302
Mercedes W176 Automatic Gearbox Transmission Module Control Unit ECU A0009006302
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 8K0959793S
Audi A4 B8 Front Door Control Module Unit ECU 8K0959793S
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 4H0959655H
Audi A7 4G8 Air Module Control Unit ECU SRS Module Unit 4H0959655H
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9321022
BMW Mini Cooper F55 F56 F57 B Junction Terminal Box 300-400 W 9321022
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 4H0907182H
Audi A8 D4 4H Front Seat Backrest Control Module Unit ECU 4H0907182H
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2048702626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048702626
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A1715400107
Mercedes SLK R171 Window Lifter Lift Switch Cable Wiring Harness A1715400107
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A2469055003-1
Ignition Switch Mercedes W167 W177 W247 Lock Control Unit Module A2469055003
Promo price
€51.95
€44.16
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
Part no. 95B907553T
Porsche Macan 95B Air Suspension Control Module Unit ECU 95B907553T
€237.95
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. 8E0057185KX
Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert 8E0057185KX
Promo price
€113.95
€68.37
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 6824116
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Inverter Cable 6824116
Promo price
€94.95
€80.71
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2035407308
Mercedes-Benz C-Class W203 Rear Left Right Door Wiring Loom Harness A2035407308
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 8200663057
Renault Clio Alternator Mount Bracket Holder Carrier 8200663057
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A2115405535
Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115405535
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. A0005456616
Mercedes W212 Automatic Gearbox EGS Control Module Unit ECU A0005456616
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
Part no. 7PP907279CT
Porsche Macan 95B Body Control Unit Module BCM 7PP907279CT
€189.95
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
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Part no. 90589541
Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 90589541
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 8K0959792S
Audi A4 B8 Front Door Control Module Unit ECU Passenger Side 8K0959792S
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 8K0959793H
Audi A4 B8 A5 8T Door Module Control Front Unit ECU 8K0959793H
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. 9224866
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2518204426
Mercedes V251 W164 Front Lamp Headlight Control Module Unit HELLA A2518204426
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 9389070-1
BMW F36 Fuse Box Control REM Electric Power Distribution 9389070
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. 7539787
BMW Mini Cooper R55 R56 R57 R58 Negative Battery Cable 7539787
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 2Q0915181B
Seat Ibiza Mk5 Negative Battery Terminal Cable Lead 2Q0915181B
€23.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 9241330
BMW X1 E84 USB AUX-IN Socket Plug Input Connector Media Port 9241330
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. A2129004911
Fuse Box Mercedes W207 Front Relay Control Unit Module SAM A2129004911
€70.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 5Q0971230AQ
Seat Leon 5F VW Golf Mk7 Alternator Wiring Harness Loom Cable 5Q0971230AQ
€23.95
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
-5%
Part no. A1645453047
Mercedes ML W164 Trunk Tailgate Foam Control Unit Module Bracket A1645453047
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 7571142-2
Mini Cooper R55 R56 R57 Battery Cable Wiring Lead Power Positive 7571142
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8R2035666L
Audi A5 8T Harman Multimedia Sat Navi Radio CD Player Head Unit 8R2035666L
€284.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 8512415-12
Mini Cooper SD R60 ALL4 N47N 143HP Engine Control Unit ECU DDE 8512415 Automatic
Promo price
€66.95
€56.91
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 6926472
BMW E65 E66 E67 Phone Transmitter Receiver Module ECU SIEMENS 6926472
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2139058101
Mercedes C118 C253 Rear Bumper Switch Sensor Module A2139058101
Promo price
€56.95
€34.17
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 240720782R
Renault Trafic III VIvaro B Wiring Connector Additional Horn Cable 240720782R
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-40%
Part no. BK3V-14517-CE
Ford Transit Mk8 Fuse Relay Box Control Unit Module BK3V14517CE
Promo price
€66.95
€40.17
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 3Q1959435C
Seat Ibiza KJ1 Keyless Go Control Unit Module ECU 3Q1959435C
€142.95
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
-15%
Part no. A1669004002
Door Module Mercedes C117 W176 W246 Front Left N/S Control Unit A1669004002
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 04L907309K-1
Audi Q3 8U 2.0 TDI Quattro Engine ECU Kit 04L907309K Ignition + Key
€161.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. A4475408347
Mercedes Vito W447 OM622 Engine Starter Wiring Harness A4475408347
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 9338153
Mini F54 F60 Clubman Countryman Antenna Aerial Amplifier AM / FM Unit 9338153
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 4H0909131
Audi A8L 4H Ignition Keyless Entry Reader Coil Module 4H0909131
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2465405833
Mercedes W176 W246 Starter Cable Loom Wiring 160 180 CDI Diesel A2465405833
Promo price
€23.95
€22.75
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If paid before 14:00
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Part no. 7642153
BMW Mini Cooper One F55 F56 F57 Wiring Loom Cable Guide Holder 7642153
Promo price
€23.95
€22.75
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If paid before 14:00
Part no. 03L906018JM-1
Audi Q5 8R 2.0 TDI CGLC Quattro 177HP Engine Control ECU Kit 03L906018JM Manual
€237.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 6906606
Mini Cooper One R50 R52 R53 Fuse Box Electrical Unit Cover Cap Black 6906606
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2135402870
Ground Cable Mercedes C238 Fuse Box Wire Prefuse Box Wiring A2135402870
Promo price
€32.95
€28.01
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If paid before 14:00
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Part no. 6927705
BMW 5 Series E60 E60N E61 E61N Battery lead positive underfloor 80 MM² AL petro
Promo price
€66.95
€56.91
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A2055401604
Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A2055401604
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
-15%
Part no. A2118700110
Mercedes W219 Hood Bonnet Light Solar Sensor Module A2118700110
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8K0959663H
Porsche Macan 95B Start Stop Voltage Stabilizer Converter Module 8K0959663H
€37.95
Free delivery - Tue, Dec 09
If paid before 14:00
-5%
Part no. 6921982
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side
Promo price
€23.95
€22.75
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If paid before 14:00
-5%
Part no. A6395480174
Mercedes-Benz Vito W639 Fuse Box Cooling Outlet Pipe Air Duct A6395480174
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€23.95
€22.75
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Part no. 8R0907364B
Audi Q5 8R A5 8T A4 B8 Active Suspension Module Damping Control Unit 8R0907364B
€42.95
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. 6805893
Mini F60 Countryman Door Wiring Harness Rear Left Right N/O/S 6805893
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€37.95
€32.26
Free delivery - Tue, Dec 09
If paid before 14:00
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Part no. A1664409735
Mercedes ML W166 Battery Cable Alternator Starter Motor Wiring A1664409735
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€32.95
€28.01
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If paid before 14:00
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Part no. 3456478
Mini R58 Door Module Harness Wiring Loom Cable Set Driver's Side 3456478
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€23.95
€22.75
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If paid before 14:00
Part no. A1775404910
Cable Wiring Mercedes W177 W247 Fuel Pump Sending Unit Plug Socket A1775404910
€42.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8642707-1
Mini Cooper S F56 B48 192 HP Engine ECU DME Kit BDC + Key 8642707 Automatic
€712.95
Free delivery - Tue, Dec 09
If paid before 14:00
-15%
Part no. 7527610-13
MINI One R50 W10 90HP Engine ECU Control Unit Module DME 7527610 Automatic
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 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 .