---
product_id: 467377464
title: "Toyota Thermostat - 90916-03078"
brand: "toyota"
price: "¥16759"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/467377464-toyota-thermostat-90916-03078
store_origin: JP
region: Japan
---

# Precision-machined for flawless fit OEM-certified for guaranteed reliability Proudly made in the USA Toyota Thermostat - 90916-03078

**Brand:** toyota
**Price:** ¥16759
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your engine cool, your ride smooth, and your status premium! ⚙️

## Quick Answers

- **What is this?** Toyota Thermostat - 90916-03078 by toyota
- **How much does it cost?** ¥16759 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/467377464-toyota-thermostat-90916-03078)

## Best For

- toyota enthusiasts

## Why This Product

- Trusted toyota brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Made in the USA:** Support quality and durability with a thermostat manufactured domestically.
- • **No Assembly Needed:** Ready to install right out of the box—get back on the road faster.
- • **Precision Machining:** Crafted with meticulous detail to ensure flawless temperature regulation.
- • **Seamless OEM Integration:** Engineered by Toyota to match exact factory specs for perfect compatibility.
- • **Ultra-Lightweight Design:** At just 0.28 grams, it optimizes engine efficiency without adding bulk.

## Overview

The Toyota Thermostat 90916-03078 is a precision-machined, OEM-certified component designed to regulate engine temperature efficiently. Weighing only 0.28 grams and manufactured in the USA, it guarantees seamless fit and reliable performance without any assembly required.

## Description

Toyota Thermostat - 90916-03078

## Features

- AUTO_PART
- Model Number: 90916-03078
- Item_Weight 0.01 ounces
- Machined

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Toyota |
| Brand | Toyota |
| Package Dimensions | 7.37 x 7.37 x 5.59 cm; 0.28 g |
| Item model number | 90916-03078 |
| Manufacturer Part Number | 90916-03078 |
| OEM Part Number | 90916-03078 |
| Assembly Required | No |
| Manufacturer | Toyota |
| Country of Origin | USA |
| Item Weight | 0.28 g |

## Images

![Toyota Thermostat - 90916-03078 - Image 1](https://m.media-amazon.com/images/I/6125btfCC+L.jpg)

## Questions & Answers

**Q: Is it a 190**
A: Toyota states the thermostat will open within a range of 187-194 F, or 86-90 C.

**Q: what vehicle does toyota part number 90916-03078 fit**
A: This fits a number of Toyotas, can you give me your vehicle and we can tell you if it futs

**Q: Will this work with the 22 r 4 engine 1995 ? And what is the opening temperature?**
A: It is made in Japan, and Kuzeh is who made it.

It is stamped 88C on the thermostat, and rounded that is 190F.  It starts opening at 190F, and from what I remember it is fully open around 210F.

**Q: Is this compatible with a toyota altezza with a 1g fe engine?**
A: I can only confirm for 89’ 22RE & 22R

## Frequently Bought Together

- Genuine Toyota 90916-03078 Thermostat
- Beck/Arnley Thermostat Gasket - 039-0057
- Genuine Toyota (16401-63010) Radiator Cap Sub-Assembly

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**Shop now:** [https://www.desertcart.jp/products/467377464-toyota-thermostat-90916-03078](https://www.desertcart.jp/products/467377464-toyota-thermostat-90916-03078)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-05*