Sta-Rite C1-271P Diffuser
This is the C1-271P diffuser for Sta-Rite Dyna-Glas/Dyna-Max Series in-ground pool and spa pumps. Because it channels every gallon the impeller moves, a cracked or worn diffuser shows up as reduced pressure, an external leak at the pump body, or a rattling noise even when the impeller itself is in good shape.
Because the diffuser bolts or seats directly against the pump body, fit and orientation matter as much as the part number. Match this part to the exact model being serviced and check that any sealing o-ring or gasket is also in good condition before reassembly.
Key Features
- Genuine-fit Sta-Rite C1-271P replacement diffuser
- Built for Sta-Rite Dyna-Glas/Dyna-Max Series in-ground pool and spa pumps
- Directs impeller output into a smooth, pressurized flow toward the discharge
- Direct fit replacement for the original Sta-Rite part
Applications
- Restoring lost pressure on a Sta-Rite pump with a cracked or worn diffuser
- Rebuilding Sta-Rite Dyna-Glas/Dyna-Max Series in-ground pool and spa pumps
- Routine wear-part replacement during a pump rebuild alongside the impeller and seal
- Fixing an internal leak or recirculation loss inside the pump body
Specifications
- Brand: Sta-Rite
- Manufacturer Part Number: C1-271P
- Part Type: Diffuser
- Fits: Sta-Rite Dyna-Glas/Dyna-Max Series in-ground pool and spa pumps
- Quantity Per Pump: 1
- Condition: New
Frequently Asked Questions
Q: What causes a diffuser to crack?
Age, thermal cycling, running the pump dry, and years of sand or grit passing through the water all contribute. A sudden crack after a hard freeze is also common on pumps left full of water in cold weather.
Q: Can a cracked diffuser be glued or patched?
No. A cracked diffuser should be replaced rather than repaired, since a patch will not hold up to the pressure and vibration inside a running pump.
Q: How do I know if my diffuser needs replacing?
Reduced pressure or flow with the motor and impeller both in good condition is the main sign, along with visible cracks, chips, or wear where it seats against the pump body.
Q: Should I replace the impeller at the same time?
Inspect it while the pump is open. The diffuser and impeller wear under the same conditions, so it is common to replace both during one rebuild rather than opening the pump twice.
Not sure this is the right part? Send us a Picture of the Pump Plate on your pump and the CLR Marine team will confirm the correct diffuser.