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-8101-B | Blue Anodized Aluminum

★★★★★ 4.8 49 reviews

$82.99
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$82.99
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Free shipping Free 30-day returns

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Product details

Management number 208171159 Release Date 2026/03/22 List Price $33.20 Model Number 208171159
Category
  • 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.

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4.8 out of 5
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