Its not uncommon to see the nipple on these vent caps broke off. Operating your truck without a secured vent will almost always lead to leaks.
The vent cap you receive is USED and may differ slightly from the picture. This piece is plastic so cosmetic conditions vary. These parts were removed from known good, operating cores.
Fitment:
GM 9.25" IFS 2010 and Down
9.25" IFS Axles Come Standard in Most 1500/2500/3500HD GMT800 Trucks
Replaces:
GM 12479390, 12479296 (Discontinued)
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