DuramaxTuner.com Duramax Tuner Pre-Tuned Replacement T87 15.5-16 GM 6.6L Duramax 6-Speed Allison 1000 Transmission
Fits 2015-2016 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 DuramaxTuner.com Duramax Tuner Pre-Tuned Replacement T87 15.5-16 GM 6.6L Duramax 6-Speed Allison 1000 Transmission, listed to fit the 2015-2016 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 $900.00, and the fitment above is what the listing itself states, not a guess.
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