164-5583 Caterpillar Transmission / Gear Cooler 3" X 13.5" OAL Diameter Oil Cooler with CuNi bundle This is a brand new direct replacement for the 164-5583 Caterpillar Transmission / Gear Cooler. We have 2 zincs so that you can use one for a dripless shaft if you would like. There is also a ground stud and a drain. This cooler can be used on just about any ZF 260, 280 and many others others. It is rated for 475psi which is the pressure rating for the ZF Transmissions. Used on Cat 3126 with a ZF Trans and others Equivalents, all with CN bundle 113-1113 Sendure #9660-1-7 164-5583 3912146 3912146CN Gear Oil Cooler for Cummins Engines 6CTA 8.3 400/420/430 & 450s Diamonds (SWAC) 480 CEs ZF Transmission list: ZF260, ZF280, ZF220A, ZF 260, ZF 280, ZF 220A,