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Dixon · Fuel System
FT321
In stock · ships from Knoxville
This green dust cap is a thermistor socket cap used on vapor recovery systems of crude oil and gasoline tanker trailers.
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Verified fitment for 2 applications
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Designed for tanker vapor recovery sockets that use a thermistor sensor. Verify socket compatibility before ordering.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 1 of 1.
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It plugs into the vapor recovery socket to protect the thermistor sensor from dust, moisture, and damage. When the cap becomes cracked, lost, or no longer seals properly, it should be replaced to maintain vapor‑line integrity and prevent thermistor malfunction.
Part Number: FT321
GREEN DUST CAP
Unit: ea
Vendor: Dixon Valve & Coupling Co.
Dealer: Post Onsite
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