8.725-408.0 Replacement - 20mm Complete U-Seal Kit with Brass

Complete 20mm U-Seal packing kit with brass for Hotsy HC165 and HC165R 2-cylinder duplex pumps. Includes high-pressure seal, low-pressure seal, brass pressure ring, brass intermediate ring, and O-rings. U-seal design is stronger than older V-seal design and handles pressure spikes better when the gun is triggered. Temperature rated to 185°F. Services one pump cylinder - two kits required for complete 2-cylinder pump rebuild. Cross-references: 87254080, 8.725-408.0 Compatible pump models: Hotsy HC165, HC165R, HHC165L.1