Mechanical Replacement Pump Seals & Pump Shaft Seal Kit | Boiler Supplies Armstrong Seal Kits & Shaft Sleeves | Boiler Supplies Armstrong Rebuild Kits for Models 4280 & 4380
Armstrong pump rebuild kits can be built to meet all your pumping needs. EPR Elastomers / Carbon Face / Ceramic Stationary Seats. All of our products are made to meet or exceed OEM specifications.
**All OEM names and part numbers are used for reference purposes only. All of our products are aftermarket seal kits and parts**
Model 4280 , 4380 S
with motor frames 143JM – 215JM (1.250” seal)
Kit includes mechanical seal (975000-982), lead free shaft sleeve (425869-001), spacer sleeve, (425868-
005) and case gaskets (426401-002, 426401-003, 426401-004, and 426401-006).
Model 4280, 4380 & 4382
with motor frames 254JM – 326JM (1.625” seal)
Kit includes mechanical seal (975000-984), lead free shaft sleeve (425869-003), spacer sleeve (425868-
004), water slinger (419315-000) and case gaskets (426401-002, 426401-003, 426401-004, 426401-005, and 426401-006).
Model 4280, 4380 & 4382
with motor frames 254JP – 326JP (1.625” seal)
Kit includes mechanical seal (975000-984), lead free shaft sleeve (425869-021), spacer sleeve (425868-
004), water slinger (419315-000) and case gaskets (426401-002, 426401-003, 426401-004, 426401-005, and 426401-006).
| Part # | Armstrong Model | Service | Seal Size | Frame Size | Weight | Price | Qty | |
|---|---|---|---|---|---|---|---|---|
| 975000-991S | 4280 & 4380 "S" | HVAC | 1.250" | 143JM-215JM | 5.00 | $283.95 | Add to Cart | |
| 975000-984JM | 4280 & 4380 JM | HVAC | 1.625" | 254JM-326JM | 5.00 | $323.95 | Add to Cart | |
| 975000-984JP | 4280 & 4380 JP | HVAC | 1.625" | 254JP-326JP | 5.00 | $323.95 | Add to Cart |
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