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Post Onsite · Hardware & Fasteners
55620
In stock · ships from Knoxville
This is a brass bulkhead fitting, often called a frame coupling, designed to pass an air or fluid line through a frame rail or bulkhead.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It has a 1/4-18 NPTF pipe thread on one side and a 1-14 UNS body thread that secures it to the panel or rail with a steel nut and washer. This type of fitting is typically replaced when it develops leaks, gets damaged, or during a system upgrade to restore a solid, leak-free connection.
Part Number: 55620
FRAME COUPLING 1/4NPTF X 1UNS
Unit: ea
Dealer: Post Onsite
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