Looking for aftermarket parts to modify or upgrade your Ram 2500 with thermostats? At Tunersports.com we carry a huge selection of the top name brand performance thermostat parts and accessories for your 2500.
Whether you have a 2011 or 2022 Ram 2500 in Big Horn to Tradesman trim we have you covered. We have 7 thermostats available to mod your 2500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS 1061527Debris in the stock cooler bypass valve can cause it to jam the internal valve keeping it in recirculation mode. When this happens the transmission temperature will rise and can lead to overheating and premature transmission failure. The BD Cooler Bypass Delete keeps the transmission cooler operatio... BD Diesel 2019 Dodge 6.7L 68RFE/Aisin AS69RC Thermostat Bypass 2019-2021 Ram 2500 Laramie Longhorn 2019-2022 Ram 2500 Big Horn / Laramie / Limited / Lone Star / Tradesman $126.19 |
 IN STOCK - DROPSHIPS 1061528Debris in the stock cooler bypass valve can cause it to jam the internal valve keeping it in recirculation mode. When this happens the transmission temperature will rise and can lead to overheating and premature transmission failure. The BD Cooler Bypass keeps the transmission cooler operational all... BD Diesel 13-18 Dodge 6.7L 68RFE/Aisin AS69RC Thermostat Bypass 2013-2013 Ram 2500 ST 2013-2015 Ram 2500 Lone Star 2013-2016 Ram 2500 Outdoorsman 2013-2018 Ram 2500 Big Horn / Laramie / Laramie Longhorn / SLT / Tradesman 2014-2015 Ram 2500 Laramie Limited 2016-2018 Ram 2500 Limited $126.19 |
 OUT OF STOCK 33915Gates 99-06 Dodge Ram Diesel OE Type Thermostat - 190 Degree 2013-2013 Ram 2500 ST 2013-2015 Ram 2500 Lone Star 2013-2016 Ram 2500 Outdoorsman 2013-2017 Ram 2500 Big Horn / Laramie / Laramie Longhorn / SLT / Tradesman 2014-2015 Ram 2500 Laramie Limited 2016-2017 Ram 2500 Limited $46.81 |
 IN STOCK - LOW 34253Gates OE Exact Thermostat 2011-2013 Ram 2500 Power Wagon / ST 2011-2017 Ram 2500 Laramie / Laramie Longhorn / SLT 2012-2016 Ram 2500 Outdoorsman 2013-2015 Ram 2500 Lone Star 2013-2017 Ram 2500 Big Horn / Tradesman 2014-2015 Ram 2500 Laramie Limited 2016-2017 Ram 2500 Limited $59.54 |
 IN STOCK MMTS-JED-06LYour high-performance Hemi needs a reliable and effective cooling system to extend engine life and perform at its absolute best.Mishimoto is proud to introduce a racing thermostat specifically designed for the 5.7L/6.1L/6.4L Hemi engine.Mishimoto racing thermostats promote greater cooling efficiency... Mishimoto Dodge/Chrysler/Jeep Hemi 5.7L/6.1L/6.4L Racing Thermostat 2011-2013 Ram 2500 Power Wagon / ST 2011-2017 Ram 2500 Laramie / Laramie Longhorn / SLT 2012-2016 Ram 2500 Outdoorsman 2013-2015 Ram 2500 Lone Star 2013-2017 Ram 2500 Big Horn / Tradesman 2014-2015 Ram 2500 Laramie Limited 2016-2017 Ram 2500 Limited $69.77 |
 IN STOCK MMTS-RAM-99HA defective thermostat can result in engine overheating and potential internal damage. Improve the reliability of your 5.9L/6.7L cooling system with a Mishimoto Dodge 5.9L/6.7L Cummins High-Temperature Thermostat! This thermostat is designed as a direct-fit replacement for your aged factory unit. Th... Mishimoto Dodge 5.9L/6.7L Cummins High-Temperature Thermostat 2011-2013 Ram 2500 Laramie / Laramie Longhorn / Power Wagon / SLT / ST 2012-2013 Ram 2500 Outdoorsman 2013-2013 Ram 2500 Big Horn / Lone Star / Tradesman $86.60 |
 IN STOCK MMTS-RAM-99LA defective thermostat can result in engine overheating and potential internal damage. Improve the reliability of your 5.9L/6.7L cooling system with a Mishimoto Dodge 5.9L/6.7L Cummins Low-Temperature Thermostat! This thermostat is designed as a direct-fit replacement for your aged factory unit. The... Mishimoto Dodge 5.9L/6.7L Cummins Low-Temperature Thermostat 2011-2013 Ram 2500 Laramie / Laramie Longhorn / Power Wagon / SLT / ST 2012-2013 Ram 2500 Outdoorsman 2013-2013 Ram 2500 Big Horn / Lone Star / Tradesman $84.74 |