MAT - EDI

Piston for the High Pressure (smaller) side.

Old Part Numbers: 166-0028, 166-0121 (A.O. Smith)

Old Part Numbers: 145-0192

Head Gasket only. Replace if you remove the head, if leaking, or you have a loss of compression. Recommended to replace the cylinder gasket as well.

NOTE: The 047-0095 Rod will fit Dayleap pumps built after April 2011.

Screw 5/16-18 X .50 HFH