Product Description
Armstrong Impeller – Part No. 427129-011
Genuine Armstrong replacement impeller, Armstrong part number 427129-011, 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.
Specification: Cast iron, ⅞" bore; Cast iron, ⅞" bore, 8" max. dia.
Fits these Armstrong pumps
- Series 4380 (vertical in-line) – pump sizes 3 × 3 × 8
- Designation: 'S'
- Motor frames: 56C, 143JM, 145JM, 182JM, 184JM
- Construction: All iron (AI)
- Drawing item: 80
- Series 4280 (close coupled end suction) – pump sizes 4 × 3 × 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 4 × 3 × 8
- Designation: 'S'
- Motor frames: 56, 143T, 145T, 182T, 184T, 213T, 215T
- Construction: All iron (125#), Ductile iron (250#)
- Drawing item: 80
- Series 4300 (vertical in-line) – pump sizes 3 × 3 × 8
- Designation: 'S'
- Motor frames: 143TC, 145TC, 182TC, 184TC, 213TC, 215TC, 254TC, 256TC
- Construction: All iron (125#), Ductile iron (250#)
- Drawing item: 80
Other parts for this pump
Rebuilding a Series 4380 3 × 3 × 8? These parts are often replaced at the same time:
| Item | Part |
|---|---|
| 15 | Set Screw |
| 16 | Set Screw |
| 17 | Set Screw |
| 21 | Shaft Extension |
| 36 | Shaft Key |
| 39 | Water Slinger |
| 57 | Male Connector |
| 59 | Flush Line Tubing |
| 62 | Mechanical Seal Kit |
| 62 | Mechanical Seal Kit |
| 62 | Mechanical Seal Kit |
| 62 | Mechanical Seal Kit |
| 62 | Mechanical Seal Kit |
| 70 | Shaft Sleeve |
| 71 | Shaft Sleeve Spacer |
| 83 | Impeller Washer |
| 86 | Impeller Capscrew |
| 90 | Case Wear Ring |
| 100 | Casing |
| 100 | Casing |
| 102 | Casing Gauge Plug |
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 427129-011
Part Type Impeller
Fits Series 4380 3 x 3 x 8
Fits Series 4280 4 x 3 x 8
Fits Series 4030 4 x 3 x 8
Fits Series 4300 3 x 3 x 8
Drawing Item 4030: item 80; 4280: item 80; 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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