2003 GMC Sierra 2500 Engine Parts

  • 2003 GMC Sierra 2500 V8 6.0L Engine Knock Sensor & Harness Kit

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    Ships Same Day for orders placed by 4pm ET

    $49.95
    Save 14%
    List: $57.95 Save: $8.00
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    Part #: 1AEEK00589
  • 2003 GMC Sierra 2500 V8 6.0L Downstream O2 Oxygen Sensor Passenger Side

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    Ships Same Day for orders placed by 4pm ET

    $29.95
    Save 30%
    List: $42.95 Save: $13.00
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    Part #: 1AEOS00114
  • 2003 GMC Sierra 2500 Cab & Chassis V8 6.0L Upstream O2 Oxygen Sensor

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    Ships Same Day for orders placed by 4pm ET

    $31.95
    Save 26%
    List: $42.95 Save: $11.00
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    Part #: 1AEOS00072
  • 2003 GMC Sierra 2500 V8 6.0L Downstream O2 Oxygen Sensor

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    Ships Same Day for orders placed by 4pm ET

    $29.95
    Save 32%
    List: $43.95 Save: $14.00
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    Part #: 1AEOS00074
  • 2003 GMC Sierra 2500 Engine Knock Sensor Harness with Dual Connectors with Grommets

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    Ships Same Day for orders placed by 4pm ET

    $26.95
    Save 13%
    List: $30.95 Save: $4.00
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    Part #: 1AZWH00060
  • 2003 GMC Sierra 2500 V8 6.0L Downstream O2 Oxygen Sensor with Install Tool Passenger Side

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    Ships Same Day for orders placed by 4pm ET

    $39.95
    Save 31%
    List: $57.95 Save: $18.00
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    Part #: 1AEEK00685
  • 2003 GMC Sierra 2500 Engine Knock Sensor Harness with Dual Connectors with Grommets General Motors OEM 12601822

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    • Connector Type: Dual Connectors with Grommets

    Ships Same Day for orders placed by 4pm ET

    $69.95
    Save 33%
    List: $104.95 Save: $35.00
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    Part #: GMZWH00005
  • 2003 GMC Sierra 2500 1st Design Cylinder Head Bolt Kit 15 Piece Set FEL-PRO ES72173

    FELPRO

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    • Quantity: 15 Piece Set

    Ships Same Day for orders placed by 4pm ET

    $39.95
    Save 42%
    List: $68.95 Save: $29.00
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    Part #: FPEMX00013
  • 2003 GMC Sierra 2500 Cylinder Head Bolt Kit 30 Piece Set FEL-PRO ES72173

    FELPRO

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    • Quantity: 30 Piece Set

    Ships Same Day for orders placed by 4pm ET

    $69.95
    Save 34%
    List: $105.95 Save: $36.00
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    Part #: FPEEK00012
  • 2003 GMC Sierra 2500 V8 6.0L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24267

    Walker Products

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    Ships Same Day for orders placed by 4pm ET

    $52.95
    Save 35%
    List: $80.95 Save: $28.00
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    Part #: WKEOS00039
  • 2003 GMC Sierra 2500 Engine Knock Sensor & Harness Kit V8 6.0L

    Guaranteed to Fit Your

    2003 GMC Sierra 2500

    $102.95
    Save 23%
    List: $132.95 Save: $30.00

    Out of Stock

    Part #: 1AEEK00327
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