Piston ring 1903396508 Replacement

Piston ring 1903396508 Replacement is a piston ring used on the Chicago Pneumatic HX2T 75-100 compressor. It seals the gap between the piston and the cylinder wall. The same number is written 1903 3965 08. It is listed in the LP Cylinder Assembly parts list. Ask PFC for pricing and delivery on this piston ring.