Description
This piston rod is a direct-fit replacement for Titan part 0551536, used in Sherwin Williams SW419 (EPX-style), Sherwin Williams SW623 (EPX-style), Wagner SprayTech EPX 2155. It installs in the original position with no modification.
Common reasons this piston rod is replaced:
- Scoring, pitting, or wear on the sealing surface
- Packing that leaks again soon after a repack
- Loss of pressure or an inconsistent spray pattern
- Normal wear from abrasive or high-solids coatings
Manufactured to OEM-equivalent dimensions for proper fit and performance. Compatible equipment models are listed in the Compatible Equipment section below, where available.









