The Sierra 18-2588 Transmission Oil Cooler is shipped bare metal, ready for primer and factory paint finish. Water Hose Connection Size: 1 1/4″ or 31.8mm; NPT Inlet/Outlet Oil Fitting: 9″ x 2″ and 3/8″; Oil: 6 GPM MAX; Water: 25 GPM MAX; Tube Bundle Overall Length: 10″ or 254mm; Water Inlet and Outlet: 12″ or 304.8mm, 1 1/4″ or 31.8mm.
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Five Stars Excellent. Just the part i wanted. Top service
Perfect Fit I bought a 1983 Master Craft Stars & Stripes ski boat, after I bought the boat, it seems that the last owner did not winterize it like he said. So I spent about $2000 in parts/ labor fixing this mistake. I searched for one of these transmissions coolers online and Amazon was the best price and shipping was awesome. It fit just like the original part.