Description
When your backpack sprayer starts losing pressure or the pump feels loose and wobbly, there’s a good chance the connecting rod or stud needs attention. This small but critical part links the pump handle to the internal pump mechanism on your Solo 425 or 475 backpack sprayer, and when it wears out or breaks, your spraying operation comes to a halt right when you need it most.
What You’re Getting
- Direct replacement connecting rod that restores proper pump operation
- Durable construction designed to handle the constant pumping motion
- Precise fit that eliminates the loose, sloppy feel in worn pumps
- Factory-quality part that matches the original specifications
Built for Real Farm Work
This connecting rod is made specifically for Solo’s 425 and 475 backpack sprayers, two of the most popular models for farm and ranch spraying tasks. Whether you’re applying herbicide along fence rows, treating pastures for weeds, or spot-spraying problem areas, these workhorses see plenty of action throughout the growing season.
Made to Last
Backpack sprayer pumps take a beating with all that pumping and the chemical exposure that comes with the job. This connecting rod is built to handle the repetitive stress and maintain a solid connection between your pumping action and the internal pump components, so you get consistent pressure when you need it.
Installation Notes
Replacing this part typically involves disassembling the pump assembly, so you’ll want to have a clean workspace and maybe snap a photo before you start taking things apart. Keep track of washers and spacers—they need to go back in the same order. A little grease on the connecting surfaces helps everything work smoothly.




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