Replacement Tanks

Heavy-Duty 2008-2010 6.4 Powerstroke Replacement Reservoirs & Degas Tanks

The various fluid reservoirs under the hood of the 2008-2010 Ford 6.4L Powerstroke are exposed to some of the harshest operating conditions of any modern light-duty truck. Because the 6.4L common-rail platform utilizes tightly packaged sequential compound turbos and heavy emissions equipment, under-hood temperatures reach extreme highs. Over time, the factory translucent plastic tanks—especially the coolant degas expansion tank and the windshield washer reservoir—become extremely brittle due to continuous heat cycles, vibration, and internal pressure. The common result is a structural failure: factory plastic tanks develop hairline cracks, leak vital fluids, fail to hold proper cooling system pressure, and turn an ugly, weathered yellow color that ruins your engine bay’s appearance.

Upgrading to a heavy-duty replacement reservoir or a premium fabricated aluminum tank is an essential reliability modification. Replacing a weak factory plastic tank secures your cooling or auxiliary fluid systems against sudden cracks and pressure drops, giving you total peace of mind on long hauls and under heavy acceleration.

At Full Force Diesel, we carry ruggedized, direct-fit replacement tanks engineered specifically to withstand the extreme under-hood environments of the 2008-2010 6.4L Super Duty:

• Fabricated Aluminum Coolant Degas Tanks: Say goodbye to brittle plastic permanently. We stock premium, 100% TIG-welded aluminum coolant expansion tanks from trusted brands like Mishimoto and Sinister Diesel. These upgraded tanks easily handle high cooling system pressures without flexing, splitting, or weeping at the seams, while adding a clean, professional look under the hood.

• Integrated Sight Glasses & Pressure Caps: Monitor your fluid levels effortlessly. Many of our aftermarket aluminum replacement tanks feature built-in sight tubes or windows so you can check your coolant or fluid levels at a glance without having to open a pressurized system.

• Direct Bolt-On Fitment: Enjoy a hassle-free installation. Every replacement tank in our inventory is designed as a direct-fit upgrade, utilizing your Super Duty’s factory mounting brackets, overflow hoses, and electronic sensor connections for a clean, factory-like install.

Don't let a weathered, leaking factory plastic expansion tank cause an unexpected low-coolant situation or compromise your cooling system's pressure. Browse our selection of 2008-2010 6.4 Powerstroke replacement reservoirs and upgraded degas tanks below to bulletproof your fluid containment.