This Is A Hayden OC-1679 Transaver "Rapid-cool" Automatic Transmission Oil Cooler.

This Is Hayden's "Heavy Duty" Towing Class Up To 10,000 Lbs. Plate And Fin Design Model Cooler.

Some Specs:

    Gvw (Gross Vehicle Weight) Rating Is 30,000 Lbs.
    11 5/8" Long
    11" High
    9 1/2" Core
    3/4" Thick
    3/8" Push On Fitting Size  

This Cooler Comes With:

    New Hayden 679 (1679) Transaver Plus Transmission Oil Cooler
    Mounting Hardware Kit
    2 Feet Of Cooler Line Hose