Valve cover gasket | 21826363

Valve train cover or rocker gaskets 21826363 and seals should be changed whenever the tappets are adjusted at the appropriate service interval. Re-using gaskets and seals is not recommended. Perkins seals and gaskets are designed to fit the rocker cover and cylinder head precisely, using specialized materials that deliver an effective seal to prevent oil leaks according to the tightness of the rocker cover bolts.