Bedford 57-3479 is Graco 243346 Cylinder aftermarket replacement

Graco 243346 Cylinder — AfterMarket by Bedford Precision Parts

This U.S-made cylinder is an AfterMarket by Bedford Precision Parts alternative to the Graco 243346. Sold as Bedford P/N 57-3479, it’s a direct-fit replacement that restores prime, sealing integrity, and steady output on Graco UltraMax II 695/796 and GMax series sprayers (also listed in older manuals as 243-346). 

Where it fits & how it’s used: The cylinder is the wear core of the lower pump, guiding the piston for smooth, efficient strokes. Swapping a worn 243346 cylinder for Bedford 57-3479 helps recover pressure stability and reduce downtime on production painting, maintenance, and protective-coatings jobs. 

• Direct aftermarket match: Engineered to OEM form/fit/function for a quick, leak-free rebuild that gets your rig back on line fast. 
• Built for uptime: Precision machining supports prime/hold and consistent film build through long duty cycles.
• Made in the USA: Bedford manufacturing delivers dependable quality and parts availability. 

Installation tips: Safely de-pressurize and flush the sprayer, then follow your service manual to remove the lower. Inspect the piston rod and packings, replace any worn seals, and torque fasteners to spec. Before returning to work, test the system’s pressure relief valve and perform a brief low-pressure leak check.

Get job-ready results: A fresh cylinder performs best with clean filtration and a tuned gun end. For operator comfort and consistent patterns on long runs, consider ergonomic paint sprayer guns and keep common spares on hand.

Complete your order: eRepairCenter stocks one-stop maintenance categories for mixed fleets—OEM-compatible graco paint sprayer parts, durable graco airless sprayer parts, shop-ready wagner paint sprayer parts, field-proven speeflo parts, and dependable binks sprayer repair parts—so you can service every rig from a single source. Explore tips, guards, hoses, and wagner spray gun parts to round out your setup at eRepairCenter.com.