Industrial 1R396 Rebuild Kit For 4 Inch Bore Air Compressor Valve And Piston Set

Industrial 1R396 rebuild kit for a 4-inch bore air compressor valve and piston set provides a focused overhaul solution for Speedaire, Campbell Hausfeld, Sears, and Ward reciprocating compressors that use the 1R396/1R397/1R398 family. Identified by the part numbers 1R396, 1R397, and 1R398, the kit targets the valve and piston assembly to restore compression capacity and extend service life. Designed for 4-inch bore configurations, it supports maintenance on older equipment by renewing critical sealing surfaces and moving parts. Compatible with Speedaire equipment and the associated Campbell Hausfeld, Sears, and Ward brands, this rebuild kit offers a precise replacement option for technicians performing valve and piston-set refurbishments.