Dorman 902-5909 Automatic Transmission Oil Cooler Thermostat

The Dorman 902-5909 Automatic Transmission Oil Cooler Thermostat is a direct replacement component designed to regulate transmission fluid temperature by controlling coolant flow to the transmission oil cooler. This thermostat assembly helps maintain optimal transmission operating temperatures, preventing overheating and extending transmission life.

Key Features:

• Direct replacement design matches the fit and function of the original thermostat on specified applications
• Improved durability and resistance to withstand extreme temperature changes that cause housings to become brittle, crack, and leak
• Durable construction from quality materials ensures reliable performance and long service life
• Maintains steady coolant flow through the transmission cooler for optimum transmission performance
• Includes thermostat housing, thermostat, and two O-rings for complete installation
• Black finish for a clean, professional appearance

This transmission oil cooler thermostat is engineered as a reliable replacement for original parts that have failed due to fatigue, vibration, or contamination. Backed by Dorman's team of product experts and more than a century of automotive experience, this component restores functionality and helps prevent costly transmission damage caused by improper temperature regulation.