Looking for aftermarket parts to modify or upgrade your Toyota 4Runner with thermostats? At Tunersports.com we carry a huge selection of the top name brand performance thermostat parts and accessories for your 4Runner.
Whether you have a 1984 or 2021 Toyota 4Runner in Base to Venture trim we have you covered. We have 10 thermostats available to mod your 4Runner. All parts have free shipping to the Continental US 48 States.
 IN STOCK 33618Gates 89-95 Ford Tarus Thermostat Seal 1984-1989 Toyota 4Runner DLX 1984-1995 Toyota 4Runner SR5 $23.31 |
 OUT OF STOCK 33338SGates 00-04 Ford Focus 2.0L 180 Degree Thermostat 1988-1995 Toyota 4Runner SR5 1989-1989 Toyota 4Runner DLX $37.81 |
 OUT OF STOCK 33867Gates Various Models of Lexus / Mitsubishi / Toyota Thermostat 1996-2002 Toyota 4Runner Limited / SR5 2001-2001 Toyota 4Runner Base $38.91 |
 IN STOCK - LOW 33877Gates 97-99 Acura CL / 91-96 Dodge Stealth / 95-99 Honda Accord / 91-99 Mitsu 3000GT Thermostat 2003-2009 Toyota 4Runner Limited / Sport / SR5 $49.16 |
 OUT OF STOCK 33878Gates 03-08 Infiniti FX45 / 06-10 M45 / 05-06 Q45 180 Deg Thermostat 2003-2009 Toyota 4Runner Limited / Sport / SR5 $39.27 |
 IN STOCK MMTS-4RUN40-03A defective thermostat can result in engine overheating and potential internal damage. Improve the reliability of your 2003+ Toyota 4Runner 4.0L cooling system with a Mishimoto Low-Temperature Racing Thermostat and housing! This thermostat is designed as a direct-fit replacement for your aged stock ... Mishimoto 2003+ Toyota 4Runner 4.0L Low-Temperature Racing Thermostat 2003-2009 Toyota 4Runner Sport 2003-2021 Toyota 4Runner Limited / SR5 2010-2016 Toyota 4Runner Trail 2015-2021 Toyota 4Runner TRD Pro 2017-2021 Toyota 4Runner TRD Off-Road 2018-2021 Toyota 4Runner SR5 Premium / TRD Off-Road Premium 2020-2021 Toyota 4Runner Nightshade / Venture 2021-2021 Toyota 4Runner Trail $90.90 |
 IN STOCK MMTS-RX7-89The Mishimoto racing thermostat for the 1989-1995 Mazda RX-7 will promote greater cooling efficiency throughout your engine.The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications.Once the engine is fully warmed up the Mis... Mishimoto 89-95 Mazda RX-7 68 Degree Racing Thermostat 1988-1989 Toyota 4Runner DLX 1988-1995 Toyota 4Runner SR5 $73.73 |
 IN STOCK - LOW MMTS-SUP-86LThe Mishimoto racing thermostat for the 1986-1992 Toyota Supra will promote greater cooling efficiency throughout your engine.The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications.Once the engine is fully warmed up, the ... Mishimoto 86-92 Toyota Supra 155 Deg F/68 Deg C Racing Thermostat 1984-1989 Toyota 4Runner DLX 1984-1995 Toyota 4Runner SR5 $84.55 |
 IN STOCK MMTS-TC-05LThe Mishimoto racing thermostat will promote greater cooling efficiency throughout your engine and will significantly lower high engine temperature produced by modified and upgraded turbo applications.Once the engine is fully warmed up the Mishimoto racing thermostat will open up at a lower temperat... Mishimoto 05-10 Scion tC 155 Deg F / 68 Deg C Racing Thermostat 1996-2001 Toyota 4Runner Base 1996-2002 Toyota 4Runner Limited / SR5 $73.73 |
 IN STOCK MMTS-Y61-97The Mishimoto racing thermostat for the 1997-2013 Nissan Patrol Y61 will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will open up at a lower temperature than standard thermostats, allowing the coolant to flow through the engine sooner thus reducing and ... Mishimoto 97-13 Nissan Patrol Y61 Racing Thermostat 2003-2009 Toyota 4Runner Limited / Sport / SR5 $73.73 |