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Bar-and-plate aerospace-grade aluminum transmission cooler sized for 2017-2019 L5P Duramax. Direct bolt-in factory-mount replacement, roughly 4x stock heat dissipation, 250 PSI rated, 18 lbs, limited lifetime warranty.
FrankBUILT transmissions only - unlimited miles
Continental U.S., restrictions apply
Every build assembled by our team
Team ready to help