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ORing 3/8 #112 Viton 100 Pack
$38.00
ORing 3/8 #112 Viton 100 Pack. Supplied as a 100-pack, which is how these are best bought: O-rings are consumed during routine service and having spares on the shelf is the difference between a quick repair and a machine sitting idle.
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.
Viton (FKM) offers superior chemical and heat resistance compared to standard Buna-N. For systems running aggressive chemicals, sodium hypochlorite, or hot water, Viton is the correct choice and lasts considerably longer.
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? ORing 3/8 #112 Viton 100 Pack. 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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