Help tech's! tranny cooler part #?

[amstaffbair]

Looking to put a tranny cooler on the rig for the upming snowmobiling season. i cant figure out which part # I NEED<
I HAVE AN 05 SUT WITH 37S<
thank you
andy

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http://www.makcotransmissionparts.com/4739.html

[amstaffbair]

thank you SIR!