Product Description
Armstrong Impeller – Part No. 427138-041
Genuine Armstrong replacement impeller, Armstrong part number 427138-041, for Series 4380, 4280, 4030, 4300 pumps. Shown as item 80 on the Series 4380 drawing (parts list 6043.129 / 6043.130) – highlighted in the pictures above.
* Please confirm before ordering: this number is printed this way in Armstrong’s Series 4280 parts list but looks inconsistent. Call us with your pump serial number to confirm.
- Part number is for an unbalanced, full diameter impeller. Give the pump serial number and measure the old impeller diameter.
- Part number is for a full (maximum) diameter impeller. Give the pump serial number and measure the old impeller diameter.
Specification: Bronze, 1¼" bore; Bronze, 1¼" bore, 8" max. dia.; Cast iron, 1¼" bore
Fits these Armstrong pumps
- Series 4380 (vertical in-line) – pump sizes 4 × 4 × 8
- Designation: 'M'
- Motor frames: 213JP, 215JP, 254JM, 256JM, 284JM, 286JM, 324JM, 326JM
- Construction: Bronze fitted (BF)
- Pump built: built before August 2015, July 2010, June 2011
- Drawing item: 80
- Series 4280 (close coupled end suction) – pump sizes 5 × 4 × 8, 6 × 4 × 8W
- Designation: 'M'
- Motor frames: 213JP, 215JP, 254JM, 256JM, 284JM, 286JM, 324JM, 326JM
- Construction: Bronze fitted (125#), All bronze (125#)
- Drawing item: 80
- Series 4030 (base mounted end suction) – pump sizes 5 × 4 × 8W, 6 × 4 × 8W
- Designation: 'M', 'MHD'
- Motor frames: 254T, 256T, 364TS, 365TS, 284TS, 286TS, 324TS, 326TS
- Construction: Bronze fitted (125#), All bronze (125#)
- Drawing item: 80
- Series 4300 (vertical in-line) – pump sizes 4 × 4 × 8
- Designation: 'M'
- Motor frames: 364TSC, 365TSC, 404TSC, 405TSC, 284TSC, 286TSC, 324TSC, 326TSC
- Construction: Bronze fitted (125#), Ductile bronze fitted (250#), All bronze (125#)
- Pump built: built after August 2015, July 2010
- Drawing item: 80
Other parts for this pump
Rebuilding a Series 4380 4 × 4 × 8? These parts are often replaced at the same time:
Showing 24 of 29 parts – see the full list in the parts finder.
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4380, your pump size and motor to see every part on the drawing. Or send us your pump’s nameplate details – call (416) 236-2338 or email sales@bramhambros.com. Bramham Bros is an authorized Armstrong dealer.
