Product Description
Armstrong Impeller – Part No. 427137-011
Genuine Armstrong replacement impeller, Armstrong part number 427137-011, 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.
- 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. Pre-July 2010 pumps.
- 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, 1¼" bore; Cast iron, ⅞" bore, 8" max. dia.
Fits these Armstrong pumps
- Series 4380 (vertical in-line) – pump sizes 4 × 4 × 8
- Designation: 'S'
- Motor frames: 143JM, 145JM, 182JM, 184JM
- Construction: All iron (AI)
- 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: 'S'
- Motor frames: 143JM, 145JM, 182JM, 184JM
- Construction: All iron, Ductile iron (250#)
- Drawing item: 80
- Series 4030 (base mounted end suction) – pump sizes 5 × 4 × 8W, 6 × 4 × 8W
- Designation: 'S'
- Motor frames: 143T, 145T, 182T, 184T, 213T, 215T
- Construction: All iron (125#), Ductile iron (250#)
- Drawing item: 80
- Series 4300 (vertical in-line) – pump sizes 4 × 4 × 8
- Construction: All iron (125#), Ductile iron (250#)
- Pump built: built before 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:
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 427137-011
Part Type Impeller
Fits Series 4380 4 x 4 x 8
Fits Series 4280 5 x 4 x 8, 6 x 4 x 8W
Fits Series 4030 5 x 4 x 8W, 6 x 4 x 8W
Fits Series 4300 4 x 4 x 8
Drawing Item 4030: item 80; 4280: item 80; 4300: item 80; 4380: item 80
Specification Cast iron, 7/8" bore; Cast iron, 1-1/4" bore; Cast iron, 7/8" bore, 8" max. dia.
Shipping cost: Inquire
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