One New Aftermarket Replacement Oil Cooler 

Fits John Deere Skid Steer Loader Models: 318D, 320D, 326D, 328D, 332D

Also Fits John Deere Compact Tractor Loader Model: 329D

Core (finned area) dimensions are 10" x 22 3/4" x 2 1/4"
Robust steel tube, aluminum fin construction. THIS IS HEAVY DUTY
Helium leak tested from the factory. 

Replaces Part Numbers: AT360781