Keep your cooling system running at peak performance with the Sinister Diesel Coolant Reservoir (Degas) Cap. This premium aftermarket upgrade is compatible with a wide range of Powerstroke engines from 1994-2016. Designed to deliver a superior seal compared to stock caps, this degas cap maintains optimal system pressure, ensuring your cooling system performance efficiently and reliably.
Our cap is thoroughly tested to meet or exceed the industry standard, built to reflect Sinister Diesel’s commitment to superior quality and design. Finished in Sinister Diesel’s signature blue color.
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