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P40 O-Ring for Suction Flange (Big) 1210.0565 #75
$26.30
P40 O-Ring for Suction Flange (Big) 1210.0565 #75. A replacement O-ring for the specific application and position noted above — matching the correct size and material to the position is what determines whether the seal holds.
O-rings are the least expensive part on any pressure washing system and among the most consequential. A failed O-ring shows up as a leak, a pressure drop, or a pump that won't prime — problems that look serious and often send people chasing far more expensive components before they find the real cause. Keeping the right sizes on hand turns a lost afternoon into a five-minute fix.
Match both size and material to the application. Size determines whether it seals at all; material determines how long it lasts against the chemicals and temperatures it will see in service.
When replacing an O-ring, inspect the groove it seats in. Scoring, pitting, or corrosion on the sealing surface will cause a new O-ring to leak just as the old one did, and no amount of replacement parts fixes a damaged groove.
Frequently Asked Questions
What does this O-ring fit? P40 O-Ring for Suction Flange (Big) 1210.0565 #75. Confirm against your parts diagram or the old component before ordering.
What material is best for my application? Viton for aggressive chemicals and heat, Buna-N for general water and petroleum service, silicone for high temperature, EPDM for water and inlet applications.
My new O-ring still leaks — why? Inspect the sealing groove. Scoring or corrosion on that surface will cause any O-ring to leak.
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