Armstrong Pump Model 4280 Repair Kit 4280S-8

Armstrong pump model 4280 repair kit P/N 4280S-8

Includes casing gasket, stainless shaft sleeve, mechanical seal

Kit used with small size new style 4280 pump models:

4280 1.5x1x8,   4280 3x1.5x8,   4280 3x2x8,   4280 3x2.5x8,   4280 4x3x8,   4280 5x4x8,   4280 6x4x8,   4280 8x8x8  with 1150 RPM motor 2 HP and smaller

4280 1.5x1x8,   4280 3x1.5x8,   4280 3x2x8,   4280 3x2.5x8,   4280 4x3x8,   4280 5x4x8,   4280 6x4x8,   4280 8x8x8  with 1750 RPM motor 5 HP and smaller

4280 1.5x1x8,   4280 3x1.5x8,   4280 3x2x8,   4280 3x2.5x8,   4280 4x3x8,   4280 5x4x8,   4280 6x4x8,   4280 8x8x8  with 3500 RPM motor 7-1/2 HP and smaller

Genuine Armstrong pump parts

Shipping rate for continental United States

$544.00

Add to Cart:
  • Model: 4280S-8
  • 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
June 20, 2025 by A Reviewer (United States)
“Efficient !!!”
Verified Buyer
June 19, 2025 by Gayle M. (United States)
“Very easy shopping & checkout!”
Verified Buyer
June 18, 2025 by Sean M. (Illinois , United States)
“Fjhd do g get uh got c the”

Manufacturer Info



Customers who bought this product also purchased...