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Betts · Hardware & Fasteners
17657VT
In stock · ships from Knoxville
This is a Viton (FKM) O-ring designed as a mounting seal for vapor recovery vents, commonly found on petroleum tank trailers.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
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Seals the mounting flange on 4-inch vapor vents. O-ring size is industry standard AS568-153 (3-1/2" ID).
Part data verified against 4 catalog sources
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It creates a tight, chemical-resistant seal between the vent housing and the mounting ring to prevent vapor leaks during loading and transport. Replace this O-ring when it becomes hard, cracked, or takes a set, as a failed seal can cause product loss and non-compliance with emissions regulations.
Part Number: 17657VT
3-1/2 MOUNTING O-RING FOR MOUNTING RING
Unit: ea
Dealer: Post Onsite
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