without Air Conditioning with 8.25in x 7.75in x 1in Core with 0.75in Diameter Inlet with 0.625in Diameter Outlet
1991 International 3700 equipped with 7.3L V8 Diesel Turbo, 6.8L V8 Diesel Turbo, 5.9L L6 Diesel Turbo, 14.6L L6 Diesel Turbo
without Air Conditioning with 8.25in x 7.75in x 1in Core with 0.75in Diameter Inlet with 0.625in Diameter Outlet