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!
- 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
- 2 Year Warranty
- (1) Sinister Diesel Coolant Reservoir Cap