2004 Western Star 4900EX equipped with 15.8L L6 Diesel Turbo, 14L L6 Diesel Turbo/Aftercooled, 14.6L L6 Diesel Turbo, 12L 6 Diesel Turbo, 12.7L L6 Diesel Turbo/Aftercooled
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with 37.75in x 28.875in x 2in Core with 4in Inlet with 4in Outlets
2004 Western Star 4900EX equipped with 15.8L L6 Diesel Turbo, 14L L6 Diesel Turbo/Aftercooled, 14.6L L6 Diesel Turbo, 12L 6 Diesel Turbo, 12.7L L6 Diesel Turbo/Aftercooled
with 37.75in x 28.875in x 2in Core with 4in Inlet with 4in Outlets