2018-2020 F150 3.5L EcoBoost Complete Transmissions

The 10R80 automatic transmission helping to power your 2018-2020 F150 3.5L EcoBoost isn't known to be the most reliable transmission in the world, and it's possible to see problems with the 10R80 at stock power levels and normal street driving. Things can get outright bad when you add some power to your 3.5L EcoBoost F150, tow heavy, rip around off-road, or tear it up down at the track. Tier One's 2018-2020 3.5L EcoBoost built 10R80 transmissions feature a bunch of 10R80 reliability improvements, as well as performance upgrades that fix both common 10R80 transmission problems and let you add a bunch of power to your 3.5L EcoBoost F150 build. Make sure you also check out our 2018-2020 F150 3.5L EcoBoost Transmission Rebuild Kits or our 2018-2020 F150 3.5L EcoBoost Transmission Coolers!