Exhaust Manifold Fits Case-IH Tractor I4 W4 1709-0991 362536R1 362536R2 18033DCXOne New Aftermarket Replacement Exhaust Manifold (with Short Exhaust Pipe & Gasket Set) Fits International Fits FARMALL models: H, I4, W4 Kit Contains: (1) Gas Manifold with Pipe Measures 2 3 8" from center to center on the carburetor mounting stud holes. The stud diameter measures 5 16". Manifold is of superior quality to others on the market today. This manifold has the correct fit and appearance. Replaces Part Number: IHS1238 (1) Manifold Mounting