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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+.

Right Rear Side Of Engine Compartment Diagram for 2003 Buick Regal GS 3.8 V6 GASRight Rear Side Of Engine Compartment Diagram for 2003 Buick Regal GS 3.8 V6 GAS

Components on diagram:
  • Brake Fluid Level Switch
  • Electronic Brake Control Module
  • Brake Pressure Modulator
  • Electronic Brake Control Module (EBCM) Connector
  • Generator Diagram for 2003 Buick Regal GS 3.8 V6 GASGenerator Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Generator
  • Generator Connector
  • Generator B+
  • Top Of Engine Diagram for 2003 Buick Regal GS 3.8 V6 GASTop Of Engine Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Fuel Injector 4
  • Fuel Injector 2
  • Fuel Injector 6
  • Manifold Absolute Pressure (MAP) Sensor
  • Emission Evaporative (EVAP) Canister Purge Solenoid Valve
  • Cigar Lighter Jumper Harness View Diagram for 2003 Buick Regal GS 3.8 V6 GASCigar Lighter Jumper Harness View Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Connector C-242
  • Right Side Of Instrument Panel Diagram for 2003 Buick Regal GS 3.8 V6 GASRight Side Of Instrument Panel Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Park Lamp Relay
  • Fuse Block
  • Grommet P-100
  • Backup Lamp Applique Diagram for 2003 Buick Regal LS 3.8 V6 GASBackup Lamp Applique Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Connector C-915
  • Backup Lamp Applique
  • Grommet P-915
  • Windshield Washer Components, Inside Right Front Fender Liner Diagram for 2003 Buick Regal GS 3.8 V6 GASWindshield Washer Components, Inside Right Front Fender Liner Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Instrument Panel Wiring Harness
  • Windshield Washer Pump Connector
  • Windshield Washer Fluid Level Switch Connector
  • Left Side Of Rear Window Shelf Diagram for 2003 Buick Regal LS 3.8 V6 GASLeft Side Of Rear Window Shelf Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Connector C-403
  • Connector C-404
  • Body Wiring Harness
  • Cellular Antenna Connector
  • Navigation Antenna Connector
  • Steering Wheel Diagram for 2003 Buick Regal GS 3.8 V6 GASSteering Wheel Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Steering Wheel
  • Inflatable Restraint Steering Wheel Module Coil
  • 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 details1996 Buick Regal Shock and Strut Mount, Front, Includes lower spring seat and bearing; A high quality, direct fit OE replacement strut mount bearing plate; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $11.46

    Click here to view more details about 1995 Buick Regal Oxygen Sensor1995 Buick Regal Oxygen Sensor.

    Source: Auto Body Parts Store

    $23.08

    Click here to view more details2002 Buick Regal Radiator, Radiator; With SAE Transmission Oil Cooler Fittings, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $118.50

    Click here to view more details1985 Buick Regal V6, 3.8 L, 231 CID Rebuilt Engine, RWD, 14 bolt pan, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,299.00

    Click here to view more details2012 Buick Regal Used Radio, VR ID, Very Good.

    Source: Used Auto Parts Store

    $128.00

    Click here to view more details2004 Buick Regal Used Alternator, 3.8, AUTO, FWD, Very Good.

    Source: Used Auto Parts Store

    $99.00
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