2 3/8" x 18 5/8" Outlet - Right with TOC holes, center vent conn.
and vent tuve at top
Fits: DPI 2334 - 99-03 Sierra/Silverado Pickup, Suburban, Tahoe
Gasket: GM-965G
Note: For tank without TOC holes use GM-2366T
For tank without center vent conn. use GM-2368T-A