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

Was: $100.09
Sale: $76.99
Save: 23%
Save: $23.10



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
  • 1 Year Warranty


  • (1) Sinister Diesel Coolant Reservoir Cap

Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W6.0000” x H6.0000” x L6.0000”

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