Armstrong Pump 4030 Medium Frame 8 inch Mechanical Seal Kit

Armstrong pump mechanical seal kit for 4030 medium frame pump with 8" impeller.

Includes mechanical seal 975000-984 and casing gasket 426401-003

Kit used with new style Armstrong 4030 with discharge line in top center of pump body. Old style 4030 has discharge line offset to 1 side.

Genuine Armstrong parts

Shipping rate for continental United States

Link to mechanical seal instruction pdf

$1,309.00

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  • Model: 4030-8M Seal Kit
  • Manufactured by: Armstrong Pump
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June 14, 2025 by Douglas S. (ILLINOIS, United States)
“a little bit more difficult than previously as I had to search for a bit to find the reorder button. But delivery was very fast so overall a great experience.”
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June 7, 2025 by Eric W. (United States)
“called up with questions at the end of the day. recieved a great explanation and setup to be able to order parts over the weekend.”
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June 6, 2025 by Erika P. (United States)
“Quick and easy ordering process!”

Manufacturer Info

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