with Signet A/C System with 7.8125in x 8.0625in x 1.875in Core with 0.75in Diameter Inlet with 0.75in Diameter Outlet Front Heater
2004 Peterbilt 378 equipped with 12L 6 Diesel Turbo, 12.7L L6 Diesel Turbo/Aftercooled, 11.1L 6 Diesel, 10.8L L6 Diesel Turbo
with Signet A/C System with 7.8125in x 8.0625in x 1.875in Core with 0.75in Diameter Inlet with 0.75in Diameter Outlet Front Heater