Gast K479A service kit used on oil-less non "Q" models with external filtration. Service kit returns your unit to original factory performance specifications. Recommend for service every 2 years. Service kit includes: Vanes. Important: Use Gast AH225D flushing solvent to flush debris from pump when servicing unit.
Fits Gast models 0823-P155-SG608X and 1023-V103-SG608X.