Armstrong Pump Mechanical Seal Kit 811339-000

Armstrong mechanical seal kit P/N 811339-000

1-5/8" seal for Armstrong 4030 / 4280 / 4360 / 4380 / TD40 (254-326 Frame)

Genuine Armstrong pump parts

Shipping rate for continental United States

Link to mechanical seal instruction pdf

$377.00

Add to Cart:
Always Free Shipping
  • Model: 811339-000
  • Manufactured by: Armstrong Pump
Ask a Question
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.9
Out of 5.0
A graph showing this site's review totals.
Overall Rating
98%
of customers that buy
from this merchant give
them a 4 or 5-Star rating.
Verified Buyer
August 17, 2025 by Robert F. (United States)
“Excellent”
Verified Buyer
August 17, 2025 by Linda K. (Maryland , United States)
“Easy to find my air filters on the website. Customer Service picks up the phone immediately and is always very helpful and professional. I plan to buy my central air filters from Shorty's forever! Great value.”
Verified Buyer
August 14, 2025 by Andres M. (Utah, United States)
“You always have what I need.”

Manufacturer Info