Sinister Diesel Coolant Filtration System for 2003–2007 Ford Powerstroke 6.0L F-250, F-350, and Excursion – Protects Cooling System and Extends Engine Life

Add years of life to your diesel engine with this Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. This kit is designed to bypass and filter small amounts of the engine’s coolant while your diesel engine is running.

• Compatible with 2003–2007 Ford Powerstroke 6.0L including F-250, F-350, and Excursion models
• Extends engine and coolant system life by removing debris and casting sand from the coolant
• Reduces wear on critical components like the Oil Cooler, EGR Cooler water pump, radiator, and heater core
• Includes high-efficiency coolant filter with all required hardware for installation
• Anodized aluminum filter mount for durability and corrosion resistance
• Direct-fit design—no cutting or permanent modifications required
• Engineered to combat known 6.0L cooling system issues and improve long-term reliability
• Backed by Sinister Diesel quality and performance—designed, tested, and proven in the USA
• Great for daily drivers, tow rigs, and heavy-use trucks looking for preventative maintenance solutions