How to replace a thermostat in a Toyota Tundra?

Before any repairs, it is important to check the coolant level and drive belt tension, and make sure the temperature gauge or warning light circuit is functioning correctly. If the engine has overheated, there may be issues with cylinder head gaskets, pistons, or cylinder heads. To replace the thermostat, disconnect the negative battery cable, remove the engine splash shield, and drain the cooling system. Remove the engine cover and, if applicable, the throttle body cover and air cleaner housing. Disconnect and remove air pump hoses if necessary. Remove the radiator hose, housing mounting nuts, and the housing and thermostat assembly. Clean the sealing surfaces, install a new gasket, and reassemble the components in reverse order. Refill the cooling system, check for leaks, and ensure proper operation.

Genuine Toyota Tundra Thermostat

Engine Coolant Thermostat

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3 Thermostats found

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Toyota Tundra Thermostat
Part Number: 90916-03100
$24.03 MSRP: $33.58
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Product Specifications
- Manufacturer Note: *WAX 82-95
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2000-2006 Toyota Tundra | DLX, Limited, SR5 | 8 Cyl 4.7L | 2UZFE; 2UZFE; UCK30L-ARBLKA, UCK30L-ARBSKA, UCK30L-ARBSKK, UCK30L-ARSLKA, UCK30L-ARSLKK, UCK30L-ARSSKA, UCK30L-ARSSKK, UCK30L-ASBLKA, UCK30L-ASBSKA, UCK30L-ASSLKA, UCK30L-ASSSKA, UCK30L-TRBDKA, UCK31L-PRBLKA, UCK31L-PRBSKA, UCK31L-PRBSKK, UCK31L-PRSLKA, UCK31L-PRSSKA, UCK31L-PRSSKK, UCK40L-ARBLKA, UCK40L-ARBLKK, UCK40L-ARBSKA, UCK40L-ARBSKK, UCK40L-ARSLKA, UCK40L-ARSLKK, UCK40L-ARSSKA, UCK40L-ARSSKK, UCK40L-ASBLKA, UCK40L-ASBSKA, UCK40L-ASSLKA, UCK40L-ASSSKA, UCK40L-TRBDKA, UCK40L-TRBDKK, UCK40L-TRSDKK, UCK40L-TRSSKA, UCK41L-PRBLKA, UCK41L-PRBLKK, UCK41L-PRBSKA, UCK41L-PRBSKK, UCK41L-PRSLKA, UCK41L-PRSLKK, UCK41L-PRSSKA, UCK41L-PRSSKK
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Toyota Tundra Thermostat
Part Number: 90916-03075
$27.48 MSRP: $38.41
You Save: $10.93 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Manufacturer Note: *WAX 82-95
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2000-2005 Toyota Tundra | DLX, Limited, SR5 | 6 Cyl 3.4L | 5VZFE; 5VZFE; VCK30L-ARMSKA, VCK30L-ARSLKA, VCK30L-ARSSKA, VCK30L-ARSSKK, VCK30L-TRMDKA, VCK30L-TRMDKK, VCK30L-TRSDKA, VCK30L-TRSDKK, VCK40L-ARMSKA, VCK40L-ARMSKK, VCK40L-ARSLKA, VCK40L-ARSSKA, VCK40L-ARSSKK, VCK40L-TRMDKK, VCK40L-TRMSKA, VCK40L-TRSDKK, VCK40L-TRSSKA
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Toyota Tundra Thermostat
Part Number: 90916-03138
$41.28 MSRP: $57.71
You Save: $16.43 (29%)
Ships in 1 Business Day
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Product Specifications
- Manufacturer Note: *WAX 82-95
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2006-2010 Toyota Tundra | DLX, Limited, SR5 | 8 Cyl 4.7L | 2UZFE; 2UZFE; UCK30L-ARBLKA, UCK30L-ARBSKA, UCK30L-ARBSKK, UCK30L-ASBLKA, UCK30L-ASBSKA, UCK30L-TRBDKA, UCK31L-PRBLKA, UCK31L-PRBSKA, UCK31L-PRBSKK, UCK40L-ARBLKA, UCK40L-ARBLKK, UCK40L-ARBSKA, UCK40L-ARBSKK, UCK40L-ASBLKA, UCK40L-ASBSKA, UCK40L-TRBDKA, UCK40L-TRBDKK, UCK41L-PRBLKA, UCK41L-PRBLKK, UCK41L-PRBSKA, UCK41L-PRBSKK, UCK50L-TRADKA, UCK51L-CRALKA, UCK51L-CRASKA, UCK51L-PSALKA, UCK51L-PSASKA, UCK51L-THADKA, UCK52L-CHASKA, UCK55L-TRADKA, UCK56L-CRALKA, UCK56L-CRASKA, UCK56L-PSALKA, UCK56L-PSASKA, UCK56L-THADKA, UCK57L-CHASKA

Toyota Tundra Thermostat

A Thermostat can be said to regulate the temperature of the Toyota Tundra engine so that it can efficiently cool it. In between the two jackets full of water there is a thermostat which opens when the temperature of the inner circle increases with the additional arrested circle turning into play. This mechanism makes certain that the engine runs bare minimal temperature that is safe to avoid damaging the engine. Thermostats for instance in Toyota Tundra are closed-loop control elements that work to measure and control system temperature to a set value. In the course of time most kinds of thermostats have been invented, such as mechanical designs, namely bimetallic strips and wax pellets, and pneumatic design that is air-filled control tubes. These advancements have contributed to better control of temperature in automotive and other uses; thereby improving comfort and usage.

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Toyota Tundra Thermostat Parts Questions & Experts Answers

Thermostat
90916-03138
Q: How to replace a thermostat in a Toyota Tundra?
A: Before any repairs, it is important to check the coolant level and drive belt tension, and make sure the temperature gauge or warning light circuit is functioning correctly. If the engine has overheated, there may be issues with cylinder head gaskets, pistons, or cylinder heads. To replace the thermostat, disconnect the negative battery cable, remove the engine splash shield, and drain the cooling system. Remove the engine cover and, if applicable, the throttle body cover and air cleaner housing. Disconnect and remove air pump hoses if necessary. Remove the radiator hose, housing mounting nuts, and the housing and thermostat assembly. Clean the sealing surfaces, install a new gasket, and reassemble the components in reverse order. Refill the cooling system, check for leaks, and ensure proper operation.