Armstrong Pump Model 4280 Seal Kit 4280M-11-1/2JM

Armstrong pump model 4280 repair kit P/N 4280M-11-1/2JM

Includes casing gasket, stainless shaft sleeve, mechanical seal

Kit used with medium size new style 4280 pump models

This kit works only with  motors with JM in motor frame number. Motors with JP in motor frame number will require a different sleeve kit

4280 4x3x11.5  with 1150 RPM motor 3 HP and larger

4280 4x3x11.5  with 1750 RPM motor 7.5 HP and larger

4280 4x3x11.5  with 3500 RPM motor 10 HP and larger

4280 5x4x11.5,   4280 6x5x11.5   4280 8x6x11.5

Genuine Armstrong pump parts

Shipping rate for continental United States

$665.00

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  • Model: 4280M-11-1/2JM
  • Manufactured by: Armstrong Pump
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