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Sinister Diesel Coolant Reservoir (Degas) Cap for 2017-Current Powerstroke 6.7L (Gray)

Was: $74.98
Sale: $59.99
Save: 20%
Save: $14.99

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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-Current 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 2017-Current Powerstroke Coolant Reservoir (Degas) Cap
  • Lifetime Sinister Diesel Warranty
  • Rated at 21psi


  • (1) Sinister Diesel Coolant Reservoir (Degas) Cap

Shipping Information

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

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