Gast K479 service/rebuild/repair kit used on oil-less "Q" models with internal filtration (i.e. 1023-101Q-SG608X). Service kit returns your unit to original factory performance specifications.
Recommend for service every 2 years. Important: Use Gast AH225D flushing solvent to flush debris from pump when servicing unit.
Service kit includes: (4) AK513 Vanes, (2) AK524 Filters, (2) AK473 O-Rings, (1) AK522 Gasket and Instructions.
Fits most 0823/1023 units including 0823-101Q-G279, 0823-101Q-SG608X, 0823-V103-SG608X, 0823-V131Q-SG608X, 1023-101Q-G279, 1023-101Q-SG608X, 1023-251Q-G279, 1023-V131Q-SG608X and 1023-703Q-G279.