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From the brand
Genuine CAT Filter Included: Unlike some competitors, this kit includes an authentic Caterpillar 2-micron fuel filter—no knockoffs or off-brand substitutions, just proven reliability and performance.
Ditch the Stock Junk! Replace that failure-prone factory filter with a high-efficiency 2-micron CAT filter and give your Duramax the protection it deserves.
Built to Last: Precision CNC-machined from billet aluminum for long-term durability and strength—no more plastic parts that crack or fail.
Compatible with 2001–2016 Duramax: Designed for a perfect fit on Chevy Silverado and GMC Sierra 2500/3500 HD trucks with the 6.6L Duramax engine
Clean, Durable Finish: Anodized in Sinister Blue for corrosion resistance and a clean, custom look under the hood.
Everything You Need in One Kit: Includes adapter base, stand-off spacer, CAT filter, and all required installation components.
Quality You Can Trust: Designed, tested, and assembled in the USA at Sinister Diesel’s California facility for performance and reliability.
Customers say
Customers find the fuel filter adapter easy to install and appreciate its fantastic quality, perfect fit, and attractive appearance. Moreover, the product offers good value for money, being much cheaper than standard filters. However, the functionality receives mixed feedback, with some saying it works great while others report issues. Additionally, several customers mention problems with the supplied hardware being incorrect, and there are concerns about fuel leakage.
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