Product Description
Armstrong Impeller – Part No. 427139-011
Genuine Armstrong replacement impeller, Armstrong part number 427139-011, for Series 4380, 4300 pumps. Shown as item 80 on the Series 4380 drawing (parts list 6043.129 / 6043.130) – highlighted in the pictures above.
- Part number is for a full (maximum) diameter impeller. Give the pump serial number and measure the old impeller diameter.
Specification: Cast iron, ⅞" bore; Cast iron, ⅞" bore, 8" max. dia.
Fits these Armstrong pumps
- Series 4380 (vertical in-line) – pump sizes 6 × 6 × 8W
- Designation: 'S'
- Motor frames: 143JM, 145JM, 182JM, 184JM
- Construction: All iron (AI)
- Drawing item: 80
- Series 4300 (vertical in-line) – pump sizes 6 × 6 × 8
- Construction: All iron (125#), Ductile iron (250#)
- Drawing item: 80
Other parts for this pump
Rebuilding a Series 4380 6 × 6 × 8W? These parts are often replaced at the same time:
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.
Product Videos
Custom Field
Brand Armstrong
Armstrong Part Number 427139-011
Part Type Impeller
Fits Series 4380 6 x 6 x 8W
Fits Series 4300 6 x 6 x 8
Drawing Item 4300: item 80; 4380: item 80
Specification Cast iron, 7/8" bore; Cast iron, 7/8" bore, 8" max. dia.
Shipping cost: Inquire
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