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Features, Description, Reviews, Q&A
Premium Oil Cap Replacement. The Sinister Diesel Oil Fill Cap in blue offers a direct replacement for the factory oil fill cap, ensuring proper sealing and engine protection. It helps maintain the cleanliness and integrity of the engine oil system by preventing contaminants from entering. This cap provides a reliable and stylish upgrade for engine dress-up purposes.
Construction and Appearance. Crafted from solid billet T6-6061 aluminum using CNC machining, this oil fill cap features a durable anodized blue finish. The etched branding and newly designed "Engine Oil" logo add distinct visual appeal suitable for performance applications.
Installation. Installation is straightforward with no modifications or drilling necessary, allowing easy replacement of the factory cap. This plug-and-play design enables quick upgrading without special tools.
Application. Specifically designed to fit 20-23 6.6L Duramax Sierra 2500 HD models with direct factory oil fill cap compatibility. No additional fitment notes or restrictions apply.
Sinister Diesel SD-UFC-OIL
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov