AST-4 Senco Nailer - Parts

This replacement seal is an authentic OEM item that is specially made for Senco nailers and staplers. This item provides an air-tight seal for the piston assembly. Over time this seal may begin to deteriorate and crack eventually requiring replacement. It is made from durable rubber material and it is sold individually. Replacing this ite...Read morem you will need a hex key also known as an allen wrench. Note, when replacing this seal it is good time to check on condition of other o-rings and seals as well.