Heavy-Duty Radiator Cap for 1999-2012 Kenworth Models [15 psi]
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GATESPART NUMBER: 465-31350

Heavy-Duty Radiator Cap for 1999-2012 Kenworth Models [15 psi]

$2080
ShippingShips on Oct 13, 2026
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Heavy-Duty Radiator Cap
  • 1999-2012 Kenworth Models
  • See Fitment Tab for All Applications
  • 15 psi Pressure Rating
  • Corrosion-Resistant, Heavy-Gauge Metal Construction
  • Sold Individually

    Heavy-duty trucks, buses and tractors need a pressure cap that holds up to long service intervals. This Gates heavy-duty radiator cap is made from corrosion-resistant, heavy-gauge metal and is built to OE standards for accurate pressure control.

    Gates 31350 Heavy-Duty Radiator Cap Features:

    • 15 psi Pressure Rating
    • Corrosion-Resistant, Heavy-Gauge Metal Construction
    • Accurate Pressure Control
    • Designed and Manufactured to OE Standards
    • Sold Individually

    Vehicle Applications:

    • 1999-2012 Kenworth W900 5.9L L6, 8.3L L6, 8.9L L6, 10.8L L6, 11.1L, 12.5L, 12.7L L6, 12.9L, 14.0L L6, 14.6L L6, 14.9L L6, 15.8L L6
    • 2000-2002 Kenworth K100E 10.8L L6, 14.0L L6
    • 2000-2003 Kenworth K300 5.9L L6
    • 2000-2010 Kenworth T2000 10.8L L6, 11.1L, 12.5L, 12.7L L6, 14.0L L6, 14.9L L6
    • 2000-2008 Kenworth T300 5.9L L6, 6.7L L6, 7.2L L6, 8.3L L6, 14.0L L6
    • 2000-2012 Kenworth T800 5.9L L6, 8.3L L6, 8.8L L6, 8.9L L6, 10.3L L6, 10.5L, 10.8L L6, 11.1L, 11.9L, 12.0L, 12.5L, 12.7L L6, 12.9L, 14.0L L6, 14.6L L6, 14.9L L6, 15.0L, 15.8L L6
    • 2001-2012 Kenworth C500 10.8L L6, 11.1L, 12.5L, 14.9L L6
    • 2008-2012 Kenworth T170 6.7L L6
    • 2008-2012 Kenworth T270 6.7L L6, 8.3L L6
    • 2008-2012 Kenworth T370 6.7L L6, 8.3L L6
    • 2010-2012 Kenworth T400 8.3L L6, 8.9L L6
    • 2011-2012 Kenworth T700 12.9L, 14.9L L6
  • Part TypeRadiator Cap
    BrandGATES
    Package Height3.1
    Package Width3.8
    Package Length4.1
    Weight0.34 PG
    Part CategoryReplacement Parts
    Cap Depth (In)1.14
    TypeHeavy-Duty B Size Filler Neck Cap
    Shell Diameter (In)2.81
    Filler Neck Depth (In).75
    Filler Neck Inside Diameter (In)2.13
    Coolant Recovery SystemClosed System
    Part FitmentSemi Universal
    Filler Neck Outside Diameter (In)2.69
    Pressure Rating (Psi)15
    Sae Pressure Range (Psi)14-18
    Vendor Part Number31350
    Package Qty1
    Package TypeEA
    No Questions
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    Some parts are not legal for use in California or other states with similar laws / regulations
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