U.S. Seal Mechanical Seal, 5/8" ID (Generic) In stock$1372
Quick overview
- Measure before you order The ceramic on this seal has a 5/8 inch inside diameter, and the wrong bore will not sit on the shaft.
- For the newer Stealth shaft Revision P and higher motors have no step where the impeller mounts, and that is the shaft this seal suits.
- Older revisions differ Revision N and lower used a double stepped impeller shaft and take a 13/16 inch inside diameter seal instead.
- Carbon and ceramic faces The standard pairing for a pool pump shaft seal, running against each other on a film of water.
- Jandy Pro Series fitment Listed for Jandy Pro Series pumps including the FHPM and the VS FloPro.
- Generic replacement An aftermarket seal built to the same dimensions, not a factory branded part.
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Product details
This is a generic mechanical shaft seal with a 5/8 inch inside diameter on the ceramic, in the usual carbon and ceramic pairing. It is listed for Jandy Pro Series pumps including the FHPM and the VS FloPro.
Two seals, two shafts
The Stealth impeller was originally made with a different shaft. Revision N and lower had an impeller with a double stepped shaft, and those older pumps need a shaft seal with a 13/16 inch inside diameter on the ceramic. Revision P and higher have no step where the impeller goes onto the motor shaft, and those newer pumps take the 5/8 inch inside diameter ceramic, which is this seal.
Check before you buy
The revision letter and the shaft itself are what decide this, not the pump model on the label. Pull the old seal, measure the bore of the ceramic, and match it. A 13/16 inch version of this seal is available separately for the older shaft.
Generic, not OEM
This is an aftermarket seal built to the same dimensions as the original rather than a factory branded part.
| Brand | U.S. Seal |
|---|---|
| Manufacturer part number | PS-4231-OS |
| Type | Mechanical shaft seal |
| Ceramic inside diameter | 5/8" |
| Materials | Carbon and ceramic |
| Fits | Jandy Pro Series pumps including FHPM and VS FloPro |
| Stealth fitment | Revisions P and higher, no step where the impeller mounts |
| Sourcing | Generic aftermarket replacement |
| Shipping weight | 0.5 lb |
| Ships | Parcel |
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