2011 Western Star 4900EX equipped with 15.6L 6 Diesel, 14L L6 Diesel Turbo/Aftercooled, 12.7L L6 Diesel Turbo/Aftercooled
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with 10.8125in x 10in x 2.5in Core with 0.625in Diameter Inlet with 0.625in Diameter Outlet
2011 Western Star 4900EX equipped with 15.6L 6 Diesel, 14L L6 Diesel Turbo/Aftercooled, 12.7L L6 Diesel Turbo/Aftercooled
with 10.8125in x 10in x 2.5in Core with 0.625in Diameter Inlet with 0.625in Diameter Outlet