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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+.

Lower Left Side Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GASLower Left Side Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GAS

Components on diagram:
  • A/C Compressor Clutch
  • Crankshaft Position (CKP) Sensor A
  • Knock Sensor (KS) 1
  • Engine Oil Pressure (EOP) Switch
  • Positive Battery Cable
  • Wheel Speed Sensor Diagram for 2003 Buick Regal GS 3.8 V6 GASWheel Speed Sensor Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Wheel Speed Sensor
  • Battery Cable And Grounding Point Diagram for 2003 Buick Regal GS 3.8 V6 GASBattery Cable And Grounding Point Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Battery
  • Fuse Block Underhood
  • Ground G-100
  • Engine Harness To Knock Sensor Diagram for 2003 Buick Regal GS 3.8 V6 GASEngine Harness To Knock Sensor Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Connector C-125
  • Knock Sensor (KS) 2
  • Knock Sensor (KS) Connector
  • 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
  • Lower Left Side Of Steering Column Diagram for 2003 Buick Regal LS 3.8 V6 GASLower Left Side Of Steering Column Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Data Link Connector
  • Splice Pack SP-205
  • 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 Center Of Instrument Panel Diagram for 2003 Buick Regal LS 3.8 V6 GASLeft Center Of Instrument Panel Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Instrument Panel Cluster (IPC) Connector
  • Seat Belt Component Views Diagram for 2003 Buick Regal LS 3.8 V6 GASSeat Belt Component Views Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Seat Belt Switch
  • Seat Belt Switch Connector
  • 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 1996 Buick Regal Cornering Light, Driver Side1996 Buick Regal Cornering Light, Driver Side, A High Quality, Direct Fit OE Replacement For Cornering Light.

    Source: Auto Body Parts Store

    $27.85

    Click here to view more details about 2004 Buick Regal Antenna2004 Buick Regal Antenna, 4-section mast; 1200 mm cable; With top and side key; A high quality universal fender mount antenna; May require modification or other adjustment to your vehicle upon installation; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $5.62

    Click here to view more details2004 Buick Regal Head Light Lens And Housing, Passenger Side, PASSENGER SIDE HEAD LIGHT LENS AND HOUSING, WITH CORNERING LIGHT (OE SERVICE REPLACEMENT FOR WITHOUT CORNERING LIGHT), , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $101.34

    Click here to view more details1998 Buick Regal GS V6, 3.8 L, 231 CID Rebuilt Engine, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,842.00

    Click here to view more details2003 Buick Regal Used Air Injection Pump, (3.8L, CALIF), Very Good.

    Source: Used Auto Parts Store

    $93.00

    Click here to view more details2011 Buick Regal Used Bumper Cover, Front, PNTD CVR ONLY, 13238286, Very Good.

    Source: Used Auto Parts Store

    $363.00
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