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.
Automann · Air System
177.T17041
In stock · ships from Knoxville
This is a thru tee assembly designed for dual wheel automatic tire inflation systems, such as PSI (Pressure Systems International).
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Freightliner
Other applications
Freightliner
Other applications
Verify your vehicle's tire inflation system type before ordering. The part is designed for dual wheel (hub-piloted or stud-piloted) applications with PSI-style inflation plumbing.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It allows a single air supply line to feed both tires on a dual wheel hub, maintaining proper inflation pressure. The part is commonly replaced when leaks occur or during routine maintenance of the tire inflation system. It is an aftermarket replacement by Automann, compatible with Freightliner and Meritor inflation systems.
Part Number: 177.T17041
Thru Tee Assy Dual Wheels PSI
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside air system
