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The Sinister Diesel CAT fuel filter adapter kit for 2001–2016 GM Duramax 6.6L fits Silverado and Sierra 2500/3500 heavy-duty trucks and upgrades the stock filter to an ultra-fine 2-micron CAT spin-on element. CNC-machined from billet aluminum with a blue anodized finish, the kit includes the adapter base, mounting hardware and the CAT filter for a plug-and-play conversion that improves filtration efficiency and capacity.
Sinister Diesel 01-15 Chevy Duramax CAT Filter Adapter
