Sinister Diesel Coolant Reservoir (Degas) Cap for 2017-2019 Ford Powerstroke 6.7L

This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits Sinister Coolant Reservoirs for 2017-2019 Powerstroke engines. It is made from CNC machined, solid billet T6-6061 aluminum with an interior pressure relief system, so it will continue to function even in case of a gasket failure. Available in gray or Sinister Blue, this cap looks as good as it works! , Features:Available in Anodized Sinister Blue or Gray, CNC Machined from T6-6061 Billet Aluminum, Etched Sinister Diesel Logo, Replacement for failure-prone factory cap, Fits 2017-2019 Powerstroke Coolant Reservoir (Degas) Cap, Lifetime Sinister Diesel Warranty, Rated at 21psi;Features:(1) Sinister Diesel Coolant Reservoir (Degas) Cap.