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Old 02-24-2015, 01:00 AM   #8
Joe Stingray
Master of All Things
 
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Drives: 2019 Stingray 2LT
Join Date: Feb 2015
Location: West Columbia,Tx
Posts: 98
actually the cap you seek has been used in many applications within the GM house (Chevy, Buick, Caddy....etc) until I can lay my hands on a C7 non-z51 to verify the fit, but it can be found for less then $10. even at GMPARTSDIRECT.com, Amazon, and Ebay. but just by looking at the images. this will work.

GM P/N 12577268 (the current cap with dexos on it is 12643759)

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