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Hotsy Pump Seal Kit, Complete U Seal, 20mm

SKU 8.725-408.0 Category Tag
8.725-408.0 - 20mm Complete U-Seal Kit
  • 20 mm U Seal Kit
  • Includes Brass Rings
  • Rated for 185° F
  • Services one (1) cylinder

*Two (2) kits are required for complete pump repair

Hotsy
Genuine Hotsy OEM Parts

$83.67

Available on backorder

- +
Available On Backorder
Estimated restock date: 02/2026.

Part Number: 8.725-408.0
Cross Reference Part Number(s): 70-260049, 87254080

This 20 mm Hotsy Pump Complete U Seal Kit, 8.725-408.0, includes high pressure and low pressure seals, brass pressure ring, brass intermediate ring, and o-rings to rebuild ONE pump cylinder. (Two cylinder pumps require purchase of 2 seal kits.)

  • The new Hotsy U Seal design is stronger than the older V Seal design
  • Holds up better to spikes in water pressure, which occur every time the gun is triggered
  • Seals are rated for temperatures up to 185 Degrees F.

See Additional Information for a list of compatible pumps.

Hotsy Pump Models

HC165, HC165R, HHC165AL, HHC165L.1, HHC165R.1, HHC165RL

Holiday Hours

In observance of the upcoming holidays, our warehouses and customer service hours will be reduced.  As a result, order processing and shipping may be delayed during this time.

CHRISTMAS HOURS: December 24th: Open 7:30a-12:00p.  December 25th & 26th: Closed.
NEW YEAR’S HOURS: December 31st: Open 7:30a-12:00p. January 1st: Closed.

If you have any questions about orders you have already placed, or about placing a new order, please call our Online Customer Service department at (509) 547-2323 during our regular business hours. We appreciate your understanding and hope you have a wonderful holiday season. 

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