Specifications
- Brand
- Mishimoto
- Part #
- MMTS-4RUN40-03
- UPC
- 811580034282

Mishimoto 2003+ Toyota 4Runner 4.0L Low-Temperature Racing Thermostat
$96.11
Mishimoto 2003+ Toyota 4Runner 4.0L Low-Temperature Racing Thermostat. This direct-fit thermostat opens earlier to help keep your engine cooler.
Key Features
- Fits 2003-2024 Toyota 4Runner 4.0L.
- Includes a pre-installed low-temperature thermostat and housing for an easy, direct-fit replacement.
- Activates at a lower temperature of 160°F (71°C) compared to the factory 180°F (82°C) thermostat.
- Helps reduce and maintain lower engine temperatures by allowing coolant to flow earlier.
- Ideal for vehicles in hot climates, those with modified engines, or used for heavy towing and demanding driving conditions.
Product Details
When you're working on your 2003-2024 Toyota 4Runner 4.0L, a reliable cooling system is key. This Mishimoto Low-Temperature Racing Thermostat comes as a complete unit with its housing, making it a straightforward replacement for your stock thermostat. It's designed to help prevent overheating, especially if your 4Runner sees a lot of action.
What sets this thermostat apart is its lower activation temperature. While your factory thermostat opens around 180°F (82°C), this Mishimoto unit starts opening at 160°F (71°C). This means coolant circulates through the engine sooner, helping to maintain lower overall engine temperatures. This can be a real benefit if you live in a hot climate, have added power to your engine, or frequently tow heavy loads or drive under demanding conditions.
The housing is designed to fit just like the original, ensuring a good seal and an easy installation process. It's a well-built part that's ready to go right out of the box.
Specifications
- Brand
- Mishimoto
- Manufacturer Part #
- MMTS-4RUN40-03
- UPC
- 811580034282
Frequently Asked Questions
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Mishimoto 2003+ Toyota 4Runner 4.0L Low-Temperature Racing Thermostat
