M274 Military Mule with 4 cylinder A0-53 Engine Engine Gasket Kit  NSN 2805-698-2144 . This kit contains all gaskets listed in TM 2805-211-35P on page 5. It is specifically for the M274 A0-53 engine, but many of the gaskets can be used on the A0-53-1 engine for M274A1.