Sinister Diesel 03-07 Dodge 5.9L Cummins Coolant Filtration System w/ Wix Filter

Coolant filters protect the engine cooling system by capturing cast iron particles, rust flakes, and debris that circulate in the coolant over time. These contaminants accelerate wear in water pump seals, heater core cores, and radiator tubes, making a coolant filter one of the most cost-effective ways to extend cooling system service life on high-mileage and diesel engines.Popular UpgradesInline coolant filters that install in the upper or lower radiator hose are the most common design, requiring no special tools and providing a simple visual inspection point for coolant condition. Coolant filters for Duramax, Cummins, and Power Stroke diesel engines are especially popular because diesel cooling systems circulate higher coolant volumes and are more sensitive to silicate and cavitation erosion byproducts in the coolant. Reusable stainless mesh filter inserts reduce ongoing cost compared to paper element types.How does a coolant filter work?An inline coolant filter inserts into the c...

Shop performance cooling parts at Black Ops Auto Works for premium radiators, thermostat housings, thermostats, coolant reservoirs, expansion tanks, radiator hoses, oil coolers, transmission coolers, fans and shrouds, water pumps, and thermal management upgrades for street, track, towing, diesel, and high-horsepower builds. Whether you are trying to control engine temps, improve reliability, or support demanding performance use, this collection is built around proven cooling-system upgrades for serious enthusiasts. Shop Cooling Parts by Category Browse automotive cooling system components across key product categories, including: Radiators Coolant reservoirs and expansion tanks Thermostat housings and thermostats Radiator hose kits and silicone coolant hoses Oil coolers and oil cooler accessories Transmission coolers Coolant bypass kits and coolant filters Fans and shrouds Radiator caps Water pumps Radiator shrouds, radiator stays, and cooling plates Thermal wrap, thermal tape, an...

Shop engine parts, oil catch cans, engine cooling upgrades, thermostats, thermostat housings, radiators, coolant accessories, supercharger pulleys, idler pulleys, tensioner pulleys, throttle bodies, engine covers, fuse box covers, cap covers, valve covers, oil system parts, ignition parts, sensors, gaskets, fuel delivery parts, and engine bay dress-up accessories at Black Ops Auto Works. This collection is built for performance vehicles, trucks, SUVs, muscle cars, boosted builds, HEMI platforms, Hellcat builds, Trackhawk SUVs, RAM TRX trucks, LS-powered builds, and high-horsepower street or track applications. Whether you are improving oil control, reducing heat soak, upgrading cooling, supporting higher boost, cleaning up the engine bay, replacing worn engine components, or preparing a street car for harder driving, this collection helps you shop engine parts by brand, category, vehicle platform, and performance goal. Shop Engine Parts by Category Browse engine upgrades and replace...

At Sinister Diesel, we design and manufacture top-tier parts engineered for durability and precision. Our products—including coolant filtration kits, oil filtration kits, fuel filtration kits, intercooler pipes, headers, up-pipes, cold air intakes, and more—are built to enhance the power, efficiency, and longevity of your diesel engine. Whether you’re driving a Powerstroke, Cummins, or Duramax, our USA-made parts are crafted to meet the highest performance standards. Trusted by Diesel Enthusiasts Nationwide We’re honored to have earned thousands of 5-star Google reviews from loyal customers who trust Sinister Diesel for their trucks. Our outstanding reputation reflects our unwavering commitment to quality and customer satisfaction. Every product we create undergoes rigorous testing to ensure it meets the demands of both everyday drivers and performance enthusiasts. Customer Service You Can Count On At Sinister Diesel, we believe our customers deserve the best—not just in the...