{"product_id":"2003-2009-cummins-fluidyne-high-performance-transmission-cooler-rt-48-0309","title":"2003-2009 Cummins Fluidyne High-Performance Transmission Cooler (RT-48-0309)","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cp\u003e\u003cstrong\u003eFits: \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 99.915%; height: 59.8012px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 32.9409%; height: 19.6023px;\"\u003e\u003cstrong\u003e Year\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5427%; height: 19.6023px;\"\u003e\n\u003cstrong\u003eMake\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 21.3786%; height: 19.6023px;\"\u003e\n\u003cstrong\u003eEngine\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 22.1406%; height: 19.6023px;\"\u003e\u003cstrong\u003eTransmission\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 32.9409%; height: 19.6023px;\"\u003e2003-2007\u003c\/td\u003e\n\u003ctd style=\"width: 22.5427%; height: 19.6023px;\"\u003eDodge\/Ram\u003c\/td\u003e\n\u003ctd style=\"width: 21.3786%; height: 19.6023px;\"\u003e5.9L Cummins\u003c\/td\u003e\n\u003ctd style=\"width: 22.1406%; height: 19.6023px;\"\u003e48RE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5966px;\"\u003e\n\u003ctd style=\"width: 32.9409%; height: 20.5966px;\"\u003e2007.5-2009\u003c\/td\u003e\n\u003ctd style=\"width: 22.5427%; height: 20.5966px;\"\u003eDodge\/Ram\u003c\/td\u003e\n\u003ctd style=\"width: 21.3786%; height: 20.5966px;\"\u003e6.7L Cummins\u003c\/td\u003e\n\u003ctd style=\"width: 22.1406%; height: 20.5966px;\"\u003e68RFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eA Line Kit is \u003cstrong\u003eRequired \u003c\/strong\u003e(you can find compatible Line Kits under Notes)\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen it comes to protecting your transmission, cooling is key. Excessive heat is one of the biggest transmission killers, especially for hard-working trucks that tow, haul, or put power to the pavement\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Cooling Matters: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeat breaks down transmission fluid, leading to premature wear, slipping, and even catastrophic failure. The factory transmission cooler is barely adequate for stock applications, add a tuned truck, heavy trailer, or extreme conditions, and you’re pushing your transmission’s limits. Fluidyne’s upgraded cooler is engineered to combat heat effectively, keeping your transmission fluid at optimal temperatures for maximum reliability and longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number: \u003c\/strong\u003eRT-48-0309\u003c\/p\u003e\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Cooling Technology\u003c\/strong\u003e – Featuring a stacked plate design, this cooler offers three times the core area of traditional tube-and-fin coolers, allowing for superior heat dissipation. That means lower transmission temperatures, better performance, and increased transmission lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Fluid Capacity\u003c\/strong\u003e – With three times the fluid capacity of standard coolers, this system helps maintain stable operating temperatures under heavy loads, reducing the risk of overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Thermostat, No Problems\u003c\/strong\u003e – Unlike some factory and aftermarket coolers, we do not include a thermostat. Why? Because thermostats can stick closed, preventing fluid from circulating and leading to overheating and potential transmission failure. By eliminating this weak point, Fluidyne’s cooler ensures unrestricted, consistent cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Durability\u003c\/strong\u003e – Made from high-quality materials and tested in demanding conditions, this cooler is built to last, whether you’re towing cross-country, hitting the trails, or daily driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace-Proven Performance\u003c\/strong\u003e – Trusted in NASCAR and high-performance applications, Fluidyne cooling systems are engineered to withstand extreme conditions and deliver consistent results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraightforward Installation\u003c\/strong\u003e – Designed for seamless integration with your 2003-2009 Ram 2500\/3500, this cooler installs with minimal modifications, making it a hassle-free upgrade for any serious truck owner.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eNotes\u003c\/h6\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Line Kits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.dirtydieselcustom.ca\/products\/2003-2007-cummins-fluidyne-48re-cooler-line-kit-478-g106\" target=\"_blank\"\u003e48RE Line Kit without Heat exchanger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"line kit with heat exchanger\" href=\"https:\/\/www.dirtydieselcustom.ca\/products\/2003-2007-cummins-fluidyne-48re-cooler-line-kit-478-g106a\" target=\"_blank\"\u003e48RE Line Kit with Heat Exchanger\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Randy's Transmissions","offers":[{"title":"Default Title","offer_id":53716702364016,"sku":"RT-48-0309","price":753.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2084\/8209\/files\/img_8973.png?v=1778004641","url":"https:\/\/www.dirtydieselcustom.ca\/products\/2003-2009-cummins-fluidyne-high-performance-transmission-cooler-rt-48-0309","provider":"Dirty Diesel Customs","version":"1.0","type":"link"}