Product Description
Armstrong Impeller (Bronze, 1¼" bore, 8" max. dia.) – Part No. 427120-041
Genuine Armstrong replacement impeller, Armstrong part number 427120-041, for Series 4380 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 a full (maximum) diameter impeller. Give the pump serial number and measure the old impeller diameter.
Specification: Bronze, 1¼" bore, 8" max. dia.
Fits these Armstrong pumps
- Series 4380 (vertical in-line) – pump sizes 1½ × 1½ × 8
- Designation: 'M'
- Motor frames: 213JP, 215JP
- Construction: Bronze fitted (BF)
- Drawing item: 80
Other parts for this pump
Rebuilding a Series 4380 1½ × 1½ × 8? These parts are often replaced at the same time:
| Item | Part | Armstrong part no. |
|---|---|---|
| 39 | Water slinger | 419315-000 |
| 40 | Stuffing box / adapter | 426750-011 |
| 40 | Stuffing box / adapter | 426750-031 |
| 43 | Motor washer | 927117-100 |
| 44 | Motor capscrew | 911125-110 |
| 57 | Male connector | 939001-114 |
| 59 | Flush line tubing | 997531-004 |
| 62 | Mechanical seal kit | 975000-984 |
| 62 | Mechanical seal kit | 9975001-833 |
| 62 | Mechanical seal kit | 9975001-633 |
| 62 | Mechanical seal kit | 9975001-837 |
| 62 | Mechanical seal kit | 9975001-838 |
| 70 | Shaft sleeve | 425869-021 |
| 71 | Shaft sleeve spacer | 425868-004 |
| 83 | Impeller washer | 425742-003 |
| 84 | Impeller lockwasher | 927213-400 |
| 86 | Impeller capscrew | 911900-119 |
| 90 | Case wear ring | 426413-402 |
| 100 | Casing | 427045-011 |
| 100 | Casing | 427046-031 |
| 102 | Casing gauge plug | 937105-201 |
| 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 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 427120-041
Part Type Impeller
Fits Series 4380 1-1/2 x 1-1/2 x 8
Drawing Item 4380: item 80
Specification Bronze, 1-1/4" bore, 8" max. dia.
Shipping cost: Inquire
Parts Finder canadianpumpshop.com/armstrong-parts-finder/
