Protect the cooling system in your 2003-2007 Ford Powerstroke 6.0L with the Sinister Diesel Coolant Filtration System, part number SD-6.0CF03-01-20. Designed for Ford F-250 and F-350 Super Duty trucks and Excursion models, this bypass filtration kit helps remove casting sand, metal shavings, rust, mineral deposits, and other contaminants that can reduce coolant heat capacity or restrict small cooling passages. Filtering debris helps support the service life of the water pump, EGR cooler, oil cooler, coolant seals, and related components.
The CNC-machined filter block is constructed from solid billet 6061 aluminum with an anodized finish for strength and corrosion resistance. A supplied mounting bracket attaches to factory mounting holes, allowing installation without drilling. High-strength, abrasion-resistant silicone hoses and a molded silicone T-hose help reduce potential failure points, while pre-assembled fittings support simple, leak-resistant connections. The fittings are factory tested at twice the recommended radiator cap pressure for added installation confidence.
This Sinister Diesel kit includes a genuine WIX coolant filter, billet filter block, mounting bracket, nickel-plated ball valves, silicone hoses, molded silicone T-hose, and installation hardware. The filter can be unscrewed for straightforward replacement, and the bypass design maintains optimal coolant flow while continuously filtering a portion of the system coolant. Installation typically takes approximately 2 hours, though time may vary based on experience and vehicle condition.
For initial system cleanup, Sinister Diesel recommends replacing the first filter after approximately 500 miles, then replacing the second and third filters at approximately 3,000-mile intervals. After these initial changes, annual filter replacement is recommended. This coolant filtration system provides practical protection against debris-related cooling system wear for compatible 6.0L Ford Powerstroke applications.
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