Rider Ring 1901000012 Replacement

Rider Ring 1901000012 Replacement is a piston ring made to fit the Chicago Pneumatic HN2T HP 40PD compressor. It seals the gap between the piston and the cylinder wall. It is also listed as 1901 0000 12. You will find it in the 2 & 3 Stage Piston Assly. parts list. Enquire with PFC for the lead time on this piston ring.