Fluidyne Fluidyne Bar Plate Transmission Cooler For 2011-2014 Chevy/GMC 2500/3500 Duramax
Fits 2011-2014 6.6L Duramax V8 (LML)
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Transmission parts here are about holding torque and keeping fluid temperature down, which is what kills automatics. This one is the Fluidyne Fluidyne Bar Plate Transmission Cooler For 2011-2014 Chevy/GMC 2500/3500 Duramax, listed to fit the 2011-2014 GMC Sierra 2500HD/3500HD with the 6.6L Duramax V8 (LML).
why this one — Towing heat is the usual reason to buy. Check what your truck already has before adding a cooler or pan. Rudy's Performance Parts lists it at $459.00, and the fitment above is what the listing itself states, not a guess.
No published gain figure for this part, and nothing here is a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.