Description: This cap fits 1994 - 2016 Ford F - Series trucks with 7.3L, 6.0L, 6.4L, & 6.7L Powerstroke engines. It's a new coolant reservoir (Degas) cap with a Sinister touch. Unlike the factory cap, it's made from CNC - machined, solid billet T6 - 6061 aluminum and has an interior pressure relief system. This means it keeps working even if the gasket fails. You can choose between gray and Sinister Blue. It also features an etched Sinister Diesel Logo. It's a great replacement for the failure - prone factory cap, comes with a lifetime Sinister Diesel Warranty and is rated at 21psi. Part Numbers: SD - DC - FORD - 94 & SDG - DC - FORD - 94. Features include being available in anodized Sinister Blue or gray, CNC machined from T6 - 6061 billet aluminum, having an etched logo, a replacement for factory cap, fitting 1994 - 2016 Powerstroke coolant reservoir, a lifetime warranty, and a 1 - year warranty.

Using this coolant reservoir cap is easy. Just remove the old factory cap and replace it with this new one. Make sure it's tightly secured. When it comes to maintenance, there's not much to do. Check the cap periodically for any signs of damage or wear. If you notice the gasket is starting to fail, don't worry, the interior pressure relief system will keep the cap functioning. Keep it clean and dry. In case of any issues, you can rely on the lifetime Sinister Diesel Warranty. Just follow these simple steps and your cap will serve you well for a long time.