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Close-up of Toro 89-9861 rubber diaphragm for Flo-Pro valve, showing shape and mounting area for OEM replacement parts.

Toro 89-9861 Replacement Diaphragm for Flo-Pro Valves

Brand: Toro
Save 27%
$28.41
$20.60
SKU 89-9861
In Stock (66)

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Genuine Toro replacement diaphragm engineered for Flo-Pro irrigation valves. The 89-9861 diaphragm restores reliable water control in Flo-Pro and compatible 280-series valves, providing a direct OEM fit for field repairs and valve service.

  • OEM Toro part number 89-9861, designed for Flo-Pro (new style) valves.
  • Durable rubber diaphragm material resists wear and ensures a tight seal.
  • 1" diaphragm assembly sized for standard Flo-Pro/280 series valve bodies.
  • Simple field installation — remove the bonnet, replace the diaphragm, and reassemble.
  • Sold individually for single-valve repairs and routine maintenance.
  • Economical repair solution that extends the service life of existing valve bodies.

Keep a replacement diaphragm on hand to avoid full valve replacement. Verify your valve model before ordering; contact our support team if you need help confirming compatibility or installation steps.

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Frequently Asked Questions

What Toro valves does part 89-9861 fit?
Fits Toro Flo‑Pro valves (new style) and compatible 280‑series irrigation valves. Verify your valve model before ordering.
How do I replace the diaphragm in a Flo‑Pro valve?
Shut off water, remove the valve bonnet, swap in the 89‑9861 diaphragm, reassemble, and test the valve for proper operation.
Is 89-9861 an original Toro replacement part?
Yes. Part 89‑9861 is an OEM Toro diaphragm manufactured for Flo‑Pro valve repairs and routine maintenance.