Check the listing for details. Transmission Heavy Duty Cooler 678 Hayden 24,000 GVW (OC-1678). Condition: New. Listed at 52.95 USD. Hayden 1678 Transmission CoolerHeavy Duty External Oil CoolerKnown to the industry as the Class A Cooler Detailed Instructions includedIncludes a installation package with hardware & Hoses Size: 9.5" x 11" x .75"Recommended for 24,000 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 !