Armstrong New Style 4030 M-13 Rebuild Kit




Rebuild kit for Armstrong model 4030 medium frame circulating pump with 13" casing

Kit for center discharge line location. Will not fit pump with discharge line off to one side

If existing bearing frame is oil lubricated this is not correct kit

Parts included in kit are: 426401-005 casing gasket, 871101-384 inboard sealed ball bearing, 871101-704 outboard sealed ball bearing, 826761-001 steel shaft and sleeve, 975000-984 mechanical seal, bearing locknut, bearing lock washer, slinger, impeller washer, impeller bolt

OEM Armstrong pump parts

Shipping rate for continental United States




  • Model: 4030M-13
  • Manufactured by: Armstrong
  • UPC:

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About Us

Welcome to Shortys Pumps, a division of HVAC Supplies. We are located on the South West side of Indianapolis, IN. Our purpose is to provide Original Equipment Manufacturer parts for the repair and maintenance upkeep of furnaces, air conditioners, ventilation systems and pumps to the general public as well as contractors and commercial building maintenance staff.

Give us a call with the information from your equipment nameplate and we will do our best to help you locate the right paty. We can be reached at our local phone number 317-821-8770, Toll Free 877-821-8770 or by fax at 317-821-8772. Our business hours are 8-5 EST M-F. Prior to making repairs please check your manufacturers instructions and follow all safety precautions. Improper repairs can lead to equipment damage or personal injury or death. If you are unsure of your ability please call a professional to service your equipment.




Company Name

Shortys Pumps, division of Shortys HVAC Supplies


7720 S Mooresville RD
West Newton, IN
USA 46183

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Shortys Pumps, division of Shortys HVAC Supplies 2024