{"product_id":"mishimoto-03-09-dodge-ram-5-9l-6-7l-cummins-transmission-cooler","title":"Mishimoto Transmission Cooler 03-09 Dodge Ram 5.9L \/ 6.7L Cummins","description":"\u003ch3\u003eMishimoto Transmission Cooler 03-09 Dodge Ram 5.9L \/ 6.7L Cummins | Increased Cooling Capacity | Transmission Cooling Upgrade\u003c\/h3\u003e\n\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe Mishimoto Transmission Cooler for 2003-2009 Dodge Ram 5.9L and 6.7L Cummins engines is engineered to protect your transmission from the damaging effects of excessive heat. Whether your Ram is a heavy-duty tow vehicle, a hardworking fleet truck, or a daily driver, maintaining optimal transmission temperatures is critical for longevity and performance. This direct-fit cooler replaces the stock unit with a robust solution designed specifically for these Cummins-powered trucks.\u003c\/p\u003e\n\u003cp\u003eBuilt around a stacked plate core design, this transmission cooler offers superior durability and thermal efficiency. Mishimoto’s engineering approach focuses on increasing fluid capacity and core volume significantly beyond stock specifications, resulting in more effective heat dissipation. The cooler also addresses a common failure point in the factory system by incorporating a fully serviceable thermostat that can be easily bypassed, ensuring consistent cooling under all conditions.\u003c\/p\u003e\n\u003cp\u003eFor Dodge Ram owners, this upgrade means enhanced transmission reliability and extended service life, especially under demanding conditions like towing or heavy hauling. The increased cooling capacity reduces the risk of overheating, which can lead to costly transmission repairs. Mishimoto’s solution provides peace of mind and improved drivetrain durability, making it a practical and essential upgrade for Cummins-powered Rams.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis Mishimoto transmission cooler is engineered for 2003-2009 Dodge Ram 5.9L and 6.7L Cummins trucks and features a stacked plate core design. Constructed from high-quality aluminum, it delivers superior heat dissipation and increased fluid capacity for owners seeking reliable transmission cooling performance.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mishimoto\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Transmission Cooler 03-09 Dodge Ram 5.9L \/ 6.7L Cummins\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MMTC-RAM-03SL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 2003-2009 Dodge Ram 5.9L \/ 6.7L Cummins\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black powder coat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Stacked plate core\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCore Volume Increase:\u003c\/strong\u003e 212% greater than stock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFluid Capacity Increase:\u003c\/strong\u003e 244% greater than stock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermostat:\u003c\/strong\u003e Fully serviceable and bypassable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCooling Efficiency:\u003c\/strong\u003e Significantly larger core volume and fluid capacity improve heat dissipation, preventing transmission overheating.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Stacked plate aluminum construction offers long-lasting reliability under heavy-duty conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermostat Serviceability:\u003c\/strong\u003e Easily accessible and replaceable thermostat prevents common failure modes seen in stock coolers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Fitment:\u003c\/strong\u003e Designed specifically for 2003-2009 Dodge Ram 5.9L and 6.7L Cummins, ensuring hassle-free installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransmission Longevity:\u003c\/strong\u003e Maintains optimal fluid temperatures to extend transmission life, especially during towing or heavy use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaintenance Friendly:\u003c\/strong\u003e Thermostat port allows quick servicing without removing the cooler from the vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Mishimoto Transmission Cooler 03-09 Dodge Ram 5.9L \/ 6.7L Cummins\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware\u003c\/li\u003e\n  \u003cli\u003eFully serviceable thermostat installed\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp\u003eInstallation of the Mishimoto transmission cooler is straightforward with direct-fit design tailored for 2003-2009 Dodge Ram 5.9L and 6.7L Cummins models. Basic hand tools are sufficient for most installations, making this a DIY-friendly upgrade for experienced enthusiasts. The serviceable thermostat design allows easy access for maintenance without removing the cooler. No modifications are required, and the cooler integrates seamlessly with the factory transmission fluid lines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Recommended for those unfamiliar with transmission fluid systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModifications Required:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific model year and engine variant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShop with confidence at Subimods—your Subaru parts specialists.\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":46677412053167,"sku":"MMTC-RAM-03SL","price":599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/mishimoto-transmission-cooler-03-09-dodge-ram-59l-67l-cummins-mmtc-ram-03sl-4664884.png?v=1776331818","url":"https:\/\/subimods.com\/products\/mishimoto-03-09-dodge-ram-5-9l-6-7l-cummins-transmission-cooler","provider":"Subimods.com","version":"1.0","type":"link"}