These are used on oil-less "Q" models with internal filtration i. Recommend for service every 2 years. Important: Use Gast AH225D flushing solvent to flush debris from pump when servicing unit. NOT included - available in our store. Service kit includes: (4) AK513 Vanes only.
Does not include the pump or any other parts or pieces. 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.