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Globetech Manufacturing · Air System
GTA-28600
In stock · ships from Knoxville
This is a full-function (FF‑2) trailer valve. It combines a pressure protection valve, check valves, a spring brake control valve with quick release, and a relay valve into one unit.
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Other applications
GTA‑28600 is an aftermarket replacement for the Haldex KN28600/FF‑2 family. It fits many standard North American trailer air systems that use a bolt‑on full‑function trailer valve with ¾" reservoir, ¼" control, ⅜" spring brake and ⅜" delivery ports. Always verify port sizes and crack pressure against the original unit.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 15 of 15.
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It handles both the service and spring brakes on a trailer, making sure the air tanks have enough pressure to keep the spring brakes released while driving. It is replaced when a trailer has air‑leak issues, sluggish brake apply/release, or fails its annual DOT air‑system inspection.
Part Number: GTA-28600
VALVE, FF2 REPLACES KN28600
Unit: ea
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside air system
