The Graco 289107 Autoprime Repair Kit helps restore proper priming function for compatible paint sprayer systems. The kit is designed to replace worn or damaged components within the autoprime assembly, allowing the sprayer to establish fluid flow and prepare the system for spraying. Proper priming helps reduce starting difficulties and supports consistent material delivery during ope... https://www.wholetoolbox.com/graco-289107-autoprime-repair-kit/289107.html