Sinister Diesel Degas Bottle Cap for 1994-2016 Ford Powerstroke | Coolant Reservoir Cap Replacement for 7.3L, 6.0L, 6.4L, 6.7L | Replaces Part# 9C3Z-

Sinister Diesel Degas Bottle Cap for 1994-2016 Ford Powerstroke | Coolant Reservoir Cap Replacement for 7.3L, 6.0L, 6.4L, 6.7L | Replaces Part# 9C3Z-

Fits 1994–2016 Powerstroke – Compatible with 7.3L, 6.0L, 6.4L, and 6.7L Ford Powerstroke diesel engines using the OEM-style degas bottle. Direct Replacement for OEM Cap – Replaces factory cap with part number 9C3Z-8101-B; installs in minutes using factory threads. Improved Seal and Pressure Control – Helps maintain proper coolant system pressure, preventing leaks and overheating from a failed OEM cap. Billet Aluminum Construction – Machined from high-grade aluminum for strength, longevity, and resistance to heat and cracking. Fix Common Cooling Issues – Replaces worn or faulty caps that commonly cause coolant loss or pressure drop in Powerstroke trucks. Compatible with Sinister Degas Tank – Designed to work perfectly with the Sinister Diesel aluminum degas bottle for a complete cooling system upgrade. No Modifications Required – Simple, tool-free installation makes this an easy DIY upgrade with no special tools or tuning needed. Backed by Sinister Quality – Trusted by diesel enthusiasts, Sinister Diesel stands behind every part with premium quality and support. Factory-Recommended 21 PSI Rating – Built with a 21 PSI blow-off pressure to match OEM specs and ensure safe, reliable coolant system performance.