Product Description
Armstrong Impeller (Bronze, 1¼" bore) – Part No. 427124-841
Genuine Armstrong replacement impeller, Armstrong part number 427124-841, for Series 4280-50 pumps. Shown as item 80 on the Series 4280-50 drawing (parts list 6042.129) – 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: Bronze, 1¼" bore
Fits these Armstrong pumps
- Series 4280-50 (pool & spa (NSF-50)) – pump sizes 3 × 2½ × 10
- Designation: 'M'
- Motor frames: 213JP, 215JP, 254JM, 256JM, 284JP, 286JP, 324JP, 326JP
- Drawing item: 80
Other parts for this pump
Rebuilding a Series 4280-50 3 × 2½ × 10? These parts are often replaced at the same time:
| Item | Part | Armstrong part no. |
|---|---|---|
| 39 | Water slinger | 419315-000 |
| 40 | Adapter | 426754-015 |
| 40 | Adapter | 426755-015 |
| 40 | Adapter | 426756-015 |
| 43 | Motor washer | 927117-100 |
| 44 | Motor capscrew | 911125-110 |
| 44 | Motor capscrew | 911129-110 |
| 62 | Mechanical seal kit | 975000-984 |
| 70 | Shaft sleeve | 810150-253 |
| 70 | Shaft sleeve | 810150-255 |
| 83 | Impeller washer | 425742-003 |
| 84 | Impeller lockwasher | 927213-400 |
| 86 | Impeller capscrew | 911900-119 |
| 100 | Casing | EPOXY-427290-011 |
| 101 | Casing gasket | 426401-004 |
| 103 | Casing capscrew washer | 927121-100 |
| 104 | Casing capscrew | 911129-112 |
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4280-50, 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 427124-841
Part Type Impeller
Fits Series 4280-50 3 x 2-1/2 x 10
Drawing Item 4280-50: item 80
Specification Bronze, 1-1/4" bore
Shipping cost: Inquire
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