DEI Radiator Relief Flush - 16 oz.

Engine coolant is the heat-transfer fluid that keeps engine operating temperature within the designed range while protecting internal cooling system components from corrosion, scale, and cavitation. Using the correct coolant type for your engine and replacing it on schedule prevents long-term damage to water pumps, radiators, heater cores, and engine block passages.Popular UpgradesExtended-life OAT (Organic Acid Technology) and HOAT coolants are the most common replacement fluids for modern domestic and import engines, providing 5-year or 150,000-mile service life compared to traditional green coolant's 2-year interval. Diesel-specific coolants with supplemental coolant additive packages are required in Cummins, Duramax, and Power Stroke applications to prevent liner cavitation and corrosion of cast iron components. Waterless coolants like Evans provide boiling points above 375°F and are popular in track and race applications where traditional coolant management is difficult.What ty...

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...

DEI (Design Engineering Inc.) has been producing automotive heat and sound control products for over 25 years, creating thermal wraps, exhaust heat shields, heat blankets, acoustic damping mats, and firewall insulation for performance street cars, race vehicles, and marine applications. DEI products address the heat and noise that performance builds generate, protecting nearby components and improving cabin comfort without adding significant weight.Popular UpgradesDEI Titanium exhaust wrap is the most popular product in the DEI catalog, reducing radiated heat from headers and exhaust pipes to protect nearby fuel and brake lines while also slightly improving exhaust gas velocity by keeping temperature higher in the pipe. DEI Gold Heat Shield is widely used to protect fuel rails, brake lines, and electrical harnesses routed near exhaust manifolds and turbocharger housings. Reflect-A-Gold insulation and EzCool acoustic mats are popular for firewall and floor pan heat and sound reductio...

This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...