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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Buick Regal car and truck repair procedures including Buick engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2003 Buick Regal automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Buick Regal

  • 2003 Buick Regal GS 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:1
  • 2003 Buick Regal LS 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K

COMPONENT LOCATION DIAGRAMS FOR 2003 Buick Regal AUTOMOBILES

Component location diagrams for most 2003 Buick Regal cars and light trucks sold in the U.S. from 1990+.

Behind Right Side Of Instrument Panel Diagram for 2003 Buick Regal LS 3.8 V6 GASBehind Right Side Of Instrument Panel Diagram for 2003 Buick Regal LS 3.8 V6 GAS

Components on diagram:
  • Vacuum/Electric Solenoid
  • Blower Motor Resistor Assembly
  • Blower Motor
  • I/P Fuse Block
  • Connector C-200
  • Heated Oxygen Sensor 2 Diagram for 2003 Buick Regal GS 3.8 V6 GASHeated Oxygen Sensor 2 Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Catalytic Converter
  • Exhaust Heat Shield
  • Heated Oxygen Sensor (HO2S) 2
  • Steering Wheel Component View Diagram for 2003 Buick Regal GS 3.8 V6 GASSteering Wheel Component View Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Windshield Wiper/Washer Switch
  • Turn Signal Switch
  • Headlamp Dimmer Switch
  • Cruise Control Switch
  • Inflatable Restraint Steering Wheel Module
  • Lower Leading Edge Of Front Door Diagram for 2003 Buick Regal LS 3.8 V6 GASLower Leading Edge Of Front Door Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Front Radio Speaker
  • Radio Speaker Connector, Midrange
  • Radio Speaker Connector, Tweeter
  • Left Side Of Rear Window Diagram for 2003 Buick Regal GS 3.8 V6 GASLeft Side Of Rear Window Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • RF Filter
  • Body Wiring Harness
  • Connector C-1
  • Connector C-3
  • Rear Window Defogger Grid Connector
  • Center Of Left Front Door Trim Panel Diagram for 2003 Buick Regal LS 3.8 V6 GASCenter Of Left Front Door Trim Panel Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Window Master Switch
  • Outside Remote Control Rearview Mirror Switch
  • Outside Remote Rearview Mirror Connector
  • Window Switch Connector
  • Inside Left Door Diagram for 2003 Buick Regal LS 3.8 V6 GASInside Left Door Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Connector C-1
  • Connector C-2
  • Door Lock Actuator Motor
  • Door Lock Ajar Indicator Switch
  • Left Front Door Diagram for 2003 Buick Regal LS 3.8 V6 GASLeft Front Door Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Window Motor
  • Window Motor Connector
  • Grommet P-500
  • Inside Left Side Of Instrument Panel Compartment Diagram for 2003 Buick Regal LS 3.8 V6 GASInside Left Side Of Instrument Panel Compartment Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Rear Compartment Lid Release Switch
  • CLICK HERE TO GET FULL ACCESS TO 2003 Buick Regal PARTS/COMPONENTS LOCATION DIAGRAMS!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 1990 Buick Regal Grille Assembly1990 Buick Regal Grille Assembly, With billet grille insert; A high quality, direct fit OE replacement grille assembly..

    Source: Auto Body Parts Store

    $37.57

    Click here to view more details2003 Buick Regal Ignition Switch, Two 6-prong female terminals; A high quality, OE replacement ignition switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $137.23

    Click here to view more details1983 Buick Regal Driver Side Front Signal Light, Driver Side Front Signal Light; Clear, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $49.50

    Click here to view more details1981 Buick Regal V8, 4.3 L, 265 CID Rebuilt Engine, May Use 301, 77-81 As A Direct Interchange., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,598.00

    Click here to view more details1991 Buick Regal Used A/C Compressor, Very Good.

    Source: Used Auto Parts Store

    $125.00

    Click here to view more details2012 Buick Regal Used Parking Lamp, Driver Side, FOG/DRIVING; L., Very Good.

    Source: Used Auto Parts Store

    $86.00
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