3" x 20 1/2" Outlet - Right with small (15/16") TOC holes and top vent connection
Fits: 03-07 Sierra/Silverado Pickup, Suburban, Yukon w/ 8.1L V8
Gasket: GM-1521G
Note: Hose connection is quick connect.
Cooler holes may be enlarged, if needed.
For tank with center vent connection and normal hose connection use GM-2537T-A.