Gast K259 service kit used on the 0531 and 0533 Oil-less models. Service kit returns your unit to original factory performance specifications. Recommend for service every 2 years. Service kit includes: Vanes, Filters, Gaskets. Important: Use Gast AH225D flushing solvent to flush debris from pump when servicing unit.
Fits Gast models 0531-P116-G563A and 0533-103A.