25 in. x 27 1/4 in. x 2 3/4 in. Core 4 1/2 in. Inlet / 4 1/2 in. Outlet
1987 Peterbilt 377 equipped with 14.6L L6 Diesel Turbo, 14.0L L6 Diesel Turbo, 10.5L 6 Diesel, 10.0L L6 Diesel Turbo
25 in. x 27 1/4 in. x 2 3/4 in. Core 4 1/2 in. Inlet / 4 1/2 in. Outlet