Reserviors - Degas Tanks

Premium 6.7 Powerstroke Degas Tanks & Reservoir Upgrades

The factory degas bottle on the Ford 6.7L Powerstroke platform is a notorious weak link in the primary cooling loop. Constructed from molded plastic, the original equipment tank is continuously exposed to extreme under-hood heat cycles and high cooling system pressures. Over time, this causes the material to become brittle, leading to hairline cracks, micro-leaks around the molded seams, or sudden failures where the hose nipples attach. Because the 6.7L engine relies on a highly pressurized, stable volume of engine coolant to prevent overheating and protect expensive top-end assemblies, a failing reservoir must be addressed immediately. Upgrading to a premium 6.7 Powerstroke degas tank restores structural integrity to your expansion network and permanently eliminates the risk of sudden fluid loss.

Our comprehensive selection features heavy-duty replacement expansion tanks engineered specifically for the 6.7L platform. We stock ultra-durable, TIG-welded aluminum degas bottles from industry-leading cooling experts like Mishimoto. These premium aluminum tanks are designed as direct-fit upgrades that bolt into the factory location without modifying your engine bay. Unlike plastic, a fabricated aluminum reservoir will never crack, warp, or degrade over time, providing a permanent solution to factory tank failures. Most upgraded tanks feature integrated sight tubes or glass bungs so you can easily monitor your hot and cold coolant lines, along with internal baffling to prevent fluid sloshing during aggressive acceleration or rough off-road travel.

Refreshing your truck’s expansion reservoir is also the ideal time to update your pressure cap and cooling lines. A worn-out degas bottle cap that fails to vent at its specified PSI rating can over-pressurize the loop, placing undue strain on your radiator seams and water pumps. Upgrading to an aluminum tank setup adds a clean, professional aesthetic under the hood while providing the necessary structural reinforcement your truck needs when paired with high-output electronic tuning, upgraded turbochargers, or heavy towing workloads. Browse our collection of 6.7 Powerstroke degas tanks, and rely on the technical team at Full Force Diesel to help you build a bulletproof cooling system.