Product Description
Armstrong Impeller – Part No. 427205-011
Genuine Armstrong replacement impeller, Armstrong part number 427205-011, 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.
- Part number is for a full (maximum) diameter impeller. Give the pump serial number and measure the old impeller diameter. 8×8×13 impellers changed in August 2015 – not interchangeable between old and new pumps.
Specification: Cast iron, 1¼" bore; Cast iron, 1¼" bore, 13" max. dia.
Fits these Armstrong pumps
- Series 4380 (vertical in-line) – pump sizes 8 × 8 × 13
- 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 8 × 6 × 13
- Construction: All iron, Ductile iron (250#)
- Pump built: built before August 2015, June 2013
- Drawing item: 80
- Series 4030 (base mounted end suction) – pump sizes 8 × 6 × 13
- Construction: All iron (125#), Ductile iron (250#)
- Pump built: built before August 2015
- Drawing item: 80
- Series 4300 (vertical in-line) – pump sizes 8 × 8 × 13
- 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 8 × 8 × 13? These parts are often replaced at the same time:
Showing 24 of 32 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.
Product Videos
Custom Field
Brand Armstrong
Armstrong Part Number 427205-011
Part Type Impeller
Fits Series 4380 8 x 8 x 13
Fits Series 4280 8 x 6 x 13
Fits Series 4030 8 x 6 x 13
Fits Series 4300 8 x 8 x 13
Drawing Item 4030: item 80; 4280: item 80; 4300: item 80; 4380: item 80
Specification Cast iron, 1-1/4" bore; Cast iron, 1-1/4" bore, 13" max. dia.
Shipping cost: Inquire
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