Check the listing for details. Transmission Heavy Duty Cooler 30000 GVW RV & Towing Hayden. Condition: New. Listed at 62.25 USD. Hayden 1679 Transmission CoolerHeavy Duty External Oil CoolerKnown to the industry as the Class A Cooler Detailed Instructions includedIncludes a complete package with all necessary hardware & Hoses needed Size: 10" x 11" x .75"Recommended for 30,000 GVW Trucks Plus Heavy Duty Towing !These Coolers are Ultrasonically Soldered for Reliability 100% Pressure Tested at 150 PSI for Quality Assurance Exclusive Hayden OE Design Plate and Fin allows for low pressure drop and extra cooling at low speeds ! Comes with all components needed for installation. Specifically an excellent upgrade for Diesel model transmissions. A must have for Heavy Towing , or Hauling models. Could save thousands in costly transmission repairs ________________________________________Save a bundle here over the cost from a dealership. Buy with confidence * Check out our feedbackAll of our items listed are in stock and ready to ship We Quick-Ship Every Day !