Sinister Diesel Coolant Reservoir (Degas) Cap for 1994-2016 Powerstroke 7.3L/6.0L/6.4L/6.7L

This new Coolant Reservoir Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoirs for 1994-2016 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 1994-2016 Powerstroke Coolant Reservoir;Includes:(1) Sinister Diesel Coolant Reservoir Cap.