2003 GMC Sierra 2500 HD Engine Parts

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

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    Ships Same Day for orders placed by 4 P.M. ET

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

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    Ships Same Day for orders placed by 4 P.M. ET

    $29.95
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    List: $42.95 Save: $13.00
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    Part #: 1AEOS00114
  • 2003 GMC Sierra 2500 HD O2 Oxygen Sensor

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    Ships Same Day for orders placed by 4 P.M. ET

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

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    Ships Same Day for orders placed by 4 P.M. ET

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

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    Ships Same Day for orders placed by 4 P.M. ET

    $26.95
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    List: $30.95 Save: $4.00
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    Part #: 1AZWH00060
  • 2003 GMC Sierra 2500 HD Engine Knock Sensor Harness with Dual Connectors with Grommets General Motors OEM 12601822

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    • Connector Type: Dual Connectors with Grommets

    Ships Same Day for orders placed by 4 P.M. ET

    $69.95
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    List: $104.95 Save: $35.00
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    Part #: GMZWH00005
  • 2003 GMC Sierra 2500 HD V8 6.0L Downstream O2 Oxygen Sensor with Install Tool Passenger Side

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    Ships Same Day for orders placed by 4 P.M. ET

    $38.95
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    List: $57.95 Save: $19.00
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    Part #: 1AEEK00685
  • 2003 GMC Sierra 2500 HD V8 6.0L Cylinder Head Bolt Kit 15 Piece Set FEL-PRO ES72173

    FELPRO

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    • Engine Displacement (Metric): V8 6.0L
    • Quantity: 15 Piece Set

    Ships Same Day for orders placed by 4 P.M. ET

    $39.95
    Save 42%
    List: $68.95 Save: $29.00
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    Part #: FPEMX00013
  • 2003 GMC Sierra 2500 HD V8 6.0L Downstream O2 Oxygen Sensor Passenger Side Walker Products 250-24267

    Walker Products

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    Ships Same Day for orders placed by 4 P.M. ET

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

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

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

    Out of Stock

    Part #: 1AEEK00327
  • 2003 GMC Sierra 2500 HD V8 6.0L Cylinder Head Bolt Kit 30 Piece Set FEL-PRO ES72173

    FELPRO

    Guaranteed to Fit Your

    2003 GMC Sierra 2500 HD

    • Engine Displacement (Metric): V8 6.0L
    • Quantity: 30 Piece Set
    $69.95
    Save 34%
    List: $105.95 Save: $36.00

    Out of Stock

    Part #: FPEEK00012
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