Goulds has been building pumps for well over a century, across water systems, industrial process and irrigation. The consequence for anyone maintaining them is a very long tail of models still in service whose parts documentation has moved several times.
How we list them
By the original Goulds part number. You read the number from the pump or your maintenance records and search it directly — no measuring, no working out which seal standard applies.
Browse Goulds pump shaft seals
Carbon/ceramic and FKM
Most Goulds seals are supplied in carbon/ceramic with a nitrile bellows, correct for water and general service. Where the application involves chemical duty or higher temperature, an FKM version is the right choice.
If your previous seal's bellows came out swollen or gone soft, that is a material mismatch rather than a wear failure — move to FKM. See reading a failed seal.
Common failure causes on Goulds installations
- Dry running — loss of suction on irrigation and transfer duty. Glazed or heat-checked carbon.
- Cavitation — chipped ceramic. Fix the suction condition or you will break the next one too.
- Abrasives — sandy or silty water grinds the faces. Consider silicon carbide where available.
- Long idle periods — seasonal irrigation pumps sit for months and the bellows takes a set.
Part of our range of over 330 industrial pump brands — see the full cross-reference.
Before you reassemble
Seat every o-ring with a thin film of food-grade silicone. Dry rings pinch and take a set. Aqua Flex Food Grade Silicone Lubricant is what ships in our kits.
O-rings only. Never lubricate the polished faces of a mechanical shaft seal.
Beaver Island Parts Company is not affiliated with, endorsed by, or sponsored by any equipment manufacturer named on this page. All brand names, model numbers and part numbers are the property of their respective owners and are used solely to identify the equipment our replacement parts fit.