Description
When your Hypro roller pump starts losing pressure or making noise, it’s time for a rebuild. Nothing’s worse than being in the middle of spraying season and having your pump let you down—whether you’re applying herbicide before planting or rushing to get fungicide on before the weather changes. This complete repair kit gets your 40 or 4100 series pump back to running like new.
What You’re Getting
- Four super rollers that handle the pressure and movement inside your pump head
- Complete seal package with Viton seals that resist chemicals and temperature extremes
- O-rings and gaskets for a leak-free rebuild from top to bottom
- Everything you need in one kit—no hunting down individual parts
Built for Real Farm Work
Hypro 40 and 4100 series pumps are workhorses you’ll find on sprayers across the country. These pumps handle everything from pre-emergence herbicides on corn and beans to fungicides on wheat, plus liquid fertilizer application and even livestock spraying systems. The 4-inch by 2-inch by 1-inch dimensions make these compact enough for smaller sprayers while still delivering the flow rates you need.
Made to Last
The Viton seals in this kit are what make the difference between a repair that lasts one season and one that goes the distance. Viton handles the harsh chemicals you’re pumping—from 2,4-D to glyphosate—without breaking down like cheaper rubber seals. The super rollers are engineered to maintain their shape and seal properly even after thousands of hours of operation.
Installation Notes
This is a complete rebuild, not just a quick seal replacement. Plan on spending a couple hours and have a clean workspace ready. The rollers need to go in with the right orientation, and those Viton seals require a light coating of compatible lubricant during assembly. Take photos before you tear it apart—you’ll thank yourself later when you’re putting it back together.
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