Product Description
Armstrong Impeller (Cast iron, ⅞" bore) – Part No. 427125-011
Genuine Armstrong replacement impeller, Armstrong part number 427125-011, for Series 4280, 4030 pumps. Shown as item 80 on the Series 4280 drawing (parts list 6042.127 / 6042.128) – highlighted in the pictures above.
- Part number is for an unbalanced, full diameter impeller. Give the pump serial number and measure the old impeller diameter.
Specification: Cast iron, ⅞" bore
Fits these Armstrong pumps
- Series 4280 (close coupled end suction) – pump sizes 3 × 2 × 8
- Designation: 'S'
- Motor frames: 143JM, 145JM, 182JM, 184JM
- Construction: All iron, Ductile iron (250#)
- Drawing item: 80
- Series 4030 (base mounted end suction) – pump sizes 3 × 2 × 8
- Designation: 'S'
- Motor frames: 56, 143T, 145T, 182T, 184T, 213T, 215T, 254T, 256T
- Construction: All iron (125#), Ductile iron (250#)
- Drawing item: 80
Other parts for this pump
Rebuilding a Series 4280 3 × 2 × 8? These parts are often replaced at the same time:
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4280, 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 427125-011
Part Type Impeller
Fits Series 4280 3 x 2 x 8
Fits Series 4030 3 x 2 x 8
Drawing Item 4030: item 80; 4280: item 80
Specification Cast iron, 7/8" bore
Shipping cost: Inquire
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