Experience improved power and performance each time you hop on the accelerator with these 2010-2023 Toyota 4Runner Engine Parts & Upgrades! While the 4Runner isn't known for its stock power levels, these engine upgrades allow you to squeeze out a bit more horsepower and torque without breaking your bank. Here at Stage 3, we offer and entire catalog of cold air intakes, throttle body spacers, cooling upgrades, controllers & tuners, snorkels and more to help unlock the full potential out of your rig. We even carry a handful of superchargers that allows you to further enhance and tune the way your engine performs. After you've taken care of the important components under the hood of your truck, be sure to check out our selection of Exterior Upgrades and Suspension Upgrades to further transform your SUV into an all-terrain vehicle. Toyota 4Runner Fitments: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Toyota 4Runner with 4.0L V6 & 2.7L I4 engines. Submodel Fitments: SR, SR5, TRD Sport, TRD Off-Road, Limited, TRD Pro. Some exceptions apply, please see individual product pages for specific fitments.