Description
When your sprayer pump is leaking or losing pressure, there’s a good chance the upper housing is the culprit. This component takes a beating from chemical exposure and constant pressure cycling, and when it starts to fail, you’ll notice drops in flow rate or see fluid leaking where it shouldn’t. This replacement upper housing gets your 2.4 GPM pump back to delivering steady pressure for your spraying operations.
What You’re Getting
- Precision-molded housing that seals tight against pressure and chemical exposure
- Durable construction designed to handle the demands of agricultural spraying
- Direct replacement that fits without modifications or adapters
- Maintains proper pump geometry for consistent 2.4 GPM flow rates
Built for Real Farm Work
This upper housing works with the 5281371 and 5151087 pump models commonly found on sprayers, ATV-mounted units, and spot spraying equipment. These 12-volt demand pumps are workhorses for applying herbicides, pesticides, and liquid fertilizers across everything from small acreage to large farming operations.
Made to Last
Agricultural pumps face tough conditions—from corrosive chemicals to temperature extremes and constant vibration. This housing is built to resist chemical breakdown and maintain its seal integrity season after season, so you can count on reliable performance when spraying schedules are tight.
Good to Know
When replacing the upper housing, it’s smart to inspect the diaphragm and check valves while you have the pump apart. A little dielectric grease on the threads helps prevent corrosion and makes future service easier. Always depressurize the system and disconnect power before starting any pump work.






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