Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Dynacraft · Air System
91200-
In stock · ships from Knoxville
This is a #6 (3/8″) brass union fitting for heavy-duty truck and trailer air systems.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Fits any vehicle that uses standard 6AB push-to-connect unions for air brake and accessory air systems.
Part data verified against 1 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It connects two pieces of 3/8″ nylon air line together in a straight, push-to-connect joint. Use it to repair a damaged connector or join lines when routing air circuits for brakes, suspension, or accessory pneumatics. Designed for D.O.T. air brake tubing, it helps eliminate leaks when installed correctly.
Part Number: 91200-
A/B UNION
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside air system
