Find the Thermostats & Housings you need to repair or maintain the cooling system in your 1994-1998 Dodge 5.9L Diesel Find factory-style replacements and upgraded billet thermostat housings to fit your needs. Higher temperature, stock, and lower temperature thermostats are offered to customize your cooling system to fit your needs. Find Mishimoto, Dorman, and many more high-quality brands available at XDP.