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The Sinister Diesel Chevy Duramax L5P master cylinder cap provides a finished engine-bay replacement for the OEM plastic cap on L5P Duramax platforms. Offered to tidy the engine compartment and match other billet or powder-coated accessories, the cap installs using the factory mounting points and presents a durable, vehicle-specific aesthetic upgrade without altering brake system function.
Sinister Diesel Chevy Duramax L5P Master Cylinder Cap
