Restore your cooling system with the Mishimoto Ultimate Bundle for the 1999-2001 Ford 7.3L Powerstroke. The Mishimoto 7.3L Powerstroke Ultimate Bundle includes high-quality upgraded coolant components to replace items we've found to be the most failure-prone. For the 7.3L, we've bundled together our aluminum radiator, silicone radiator hose kit, high and low-temp thermostats, aluminum degas tank, and transmission cooler. Our radiator features a full aluminum construction with durable TIG-welded end tanks. This radiator is a two-row unit with a 2.2-in-thick brazed-aluminum core. To supplement this radiator upgrade, we've included our incredibly robust silicone radiator hose kit for the 7.3L. Mishimoto silicone hoses are constructed from high-grade 4-ply silicone with heat-resistant embedded fibers for superior heat and pressure tolerance. To ensure your Powerstroke runs at just the right temperature, we've included both our high and low-temperature thermostats. Our high-temp thermostat opens 10 degrees later than the stock thermostat for faster warmup, while our low-temp thermostat opens 6 degrees earlier for more efficient cooling. This ultimate kit also includes our full-aluminum TIG-welded degas bottle, an ideal upgrade to the brittle factory plastic unit. This degas tank features a 43-percent increase in coolant capacity over stock to help take some of the load off your cooling system. Finally, the included direct-fit transmission cooler provides a proven 10°F (5.6°C) drop in transmission fluid temperature. It's time to re-habilitate your 7.3L Powerstroke's cooling system with the Mishimoto Ultimate Bundle. As with all our Powerstroke products, this bundle includes the signature Mishimoto Lifetime Warranty.