This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for 1994-2003 Powerstroke 7.3L 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 Anodized Sinister Blue or Gray
- CNC Machined from T6-6061 Billet Aluminum
- Etched Sinister Diesel Logo
- Replacement for failure-prone factory cap
- Fits 1994-2003 Ford 7.3L Powerstroke Coolant Reservoirs
- Lifetime Sinister Diesel Warranty