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Bar-and-plate aerospace-grade aluminum transmission cooler for 2020-2024 L5P Duramax, direct bolt-in using factory mounts. Roughly 4x the core and fluid capacity of the stock cooler, fully welded internal splitter plates, tested to 250 PSI, up to 20 degrees lower operating temps, 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