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Post Onsite · Hardware & Fasteners
268-4-8
In stock · ships from Knoxville
This is a brass compression adapter used to connect 1/4-inch outside diameter (OD) tubing to a 1/2-inch male pipe thread (MPT) port.
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 provides a secure, leak-resistant mechanical seal without soldering, making it common in air, fuel, and fluid lines on heavy-duty trucks. Typical uses include connecting nylon or copper air lines in brake or suspension systems to threaded ports. Replacement is needed when the fitting becomes corroded, cracked, or starts to leak.
Part Number: 268-4-8
1/4X1/2 BRASS FITTING
Unit: ea
Dealer: Post Onsite
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