Home / Engine Components / Valve Seal K21 (Cat / Mit) Valve Seal K21 (Cat / Mit) Part Number: 91h20-01370 Category: Engine Components Description Description Part Cat / Mitsu Number: 91h20-01370 Related products Engine Gasket set 4Y (Toyota) Read more Manifold Gasket 4Y (Toyota) Read more Chain Sub Assembly 4y (Toyota) Read more