Fel-Pro 35840 Engine Coolant Thermostat Housing Gasket

Fel-Pro Thermostat Housing Gasket for Chrysler, Dodge, Jeep, and Ram

Fel-Pro 35840 is a premium engine coolant thermostat housing gasket built for direct-fit sealing on a wide range of Chrysler, Dodge, Jeep, and Ram applications. It uses application-specific materials to deliver consistent sealing performance where the thermostat housing meets the engine cooling system.

Key Features

• Premium-grade engine coolant thermostat housing gasket
• Application-specific sealing material for a precise fit
• Designed for 100% vehicle sealing at the thermostat housing interface
• Two mounting holes for the listed applications
• Fits many 2003-2021 Chrysler, Dodge, Jeep, and Ram vehicles
• Part number 35840 for easy lookup and ordering

Detailed Product Overview

Fel-Pro 35840 is engineered for vehicles that need a reliable thermostat housing seal in the cooling system. This gasket is a direct replacement for many Chrysler 300, Dodge Charger, Dodge Challenger, Jeep Grand Cherokee, and Ram 1500 applications, along with additional coverage for Dodge Durango, Ram 2500, Ram 3500, Jeep Commander, Chrysler Aspen, and Dodge Magnum. If you are searching for a thermostat housing gasket for a 2005-2021 Chrysler 300 or a 2011-2021 Ram 1500, this part number is a strong fitment match.

Fel-Pro uses materials selected for the specific sealing job, helping the gasket maintain a dependable seal at the thermostat housing. This part cross-references 53022168AA and KT914 for the same application.

Common Problems This Part Helps Address

• Coolant seepage at the thermostat housing
• Visible coolant residue around the housing flange
• Loss of sealing after thermostat service
• Cooling system leaks caused by a worn gasket
• Improper sealing during thermostat housing replacement

Installation Notes and Tips

Clean the thermostat housing and mating surfaces before installation so the gasket can seat properly. Inspect the housing for warping, corrosion, or pitting before reassembly. Confirm fitment by year, make, and model before ordering, especially on Chrysler 300, Dodge Charger, and Jeep Grand Cherokee applications. Use the correct service procedure for the vehicle’s cooling system and refill with the proper coolant after installation.

Quality Assurance

Fel-Pro gaskets are built with application-specific sealing materials and are positioned as premium sealing solutions for professional repair use. Part number 35840 is made for direct-fit cooling system sealing across the listed vehicle applications.