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Betts · Engine
3716BN
In stock · ships from Knoxville
This is a Buna-N (nitrile) rubber O-ring gasket used on tank truck manhole assemblies to seal the vent or 10-inch fill cover.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
Other applications
Other applications
Genuine Betts part for various tank trailer manhole covers. This is the Buna-N version; equivalent Viton and other material gaskets exist (e.g., 3716VT for Viton).
Part data verified against 3 catalog sources
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It provides a liquid-tight seal between the cover and the manhole collar, preventing leaks during transport. Gaskets like this are replaced whenever they show wear, damage, or no longer maintain a proper seal, especially when switching between product types.
Part Number: 3716BN
VENT GASKET
Unit: ea
Dealer: Post Onsite
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