DuramaxTuner.com Duramax Tuner Pre-Tuned Replacement A50/T14 TCM 11-15 GM 6.6L Duramax Allison Transmission
Fits 2011-2015 6.6L Duramax V8 (LML)
We earn a commission if you buy through links on this page. Prices are the same for you. Full disclosure
Transmission parts here are about holding torque and keeping fluid temperature down, which is what kills automatics. This one is the DuramaxTuner.com Duramax Tuner Pre-Tuned Replacement A50/T14 TCM 11-15 GM 6.6L Duramax Allison Transmission, listed to fit the 2011-2015 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. Diesel Power Products lists it at $1185.00, 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 how we check a price and our affiliate disclosure.