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PriceQuantity
51-30001
MPN:51-30001
Manufacturer:Bedford Precision Parts
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This professional bundle is an AfterMarket by Bedford Precision Parts replacement for the OEM service set used on Graco 190 Classic, 290 Classic, and 390 Classic sprayers. It’s engineered to restore prime, stabilize spray pressure, and reduce leakage in the fluid section so crews can keep production moving with predictable results.
Where it fits & what it’s for: Designed for Graco 190/290/390 Classic rigs—and other models that specify the same service part numbers—this bundle targets the primary wear points in the pump and prime/bleed assembly. Use it during scheduled maintenance or when you notice pressure fluctuation, hard priming, or bypass.
Why this aftermarket kit? Bedford machines these components to tight tolerances for reliable sealing and smooth rod travel, helping extend service life between overhauls while integrating cleanly with your existing inventory of Graco parts. It’s a cost-effective way to refresh a workhorse sprayer without replacing the entire pump.
Install tips for best results: Clean and inspect the piston/rod, seats, and balls; replace any scored or pitted parts. Pre-lube packings as specified, follow the correct assembly order, torque to spec, then flush, prime, and pressure-test before returning to service. Keep filters clean to protect the rebuilt pump and maintain a consistent pattern.
Outfitting the rest of your rig? Explore related categories at eRepairCenter—including pressure relief valve options, professional paint sprayer guns, OEM-equivalent speeflo parts, dependable wagner paint sprayer parts, a full selection of graco paint sprayer parts, hard-to-find binks sprayer repair parts, and durable graco airless sprayer parts to keep every system performing at its best.