Dorman Engine Coolant Thermostat Housing 902-306 Direct-Replacement for Dodge & Jeep — Reinforced Construction

Replacement thermostat housing engineered to match OE fit and endure extreme temperature changes for select Dodge and Jeep vehicles.

This Dorman 902-306 engine coolant thermostat housing is a direct-replacement component built to restore proper coolant routing and seal integrity on compatible Dodge Dakota and a wide range of Jeep models. Designed by an aftermarket specialist, the housing replicates the original mounting points and flow paths so it installs with standard tools and works with your vehicle’s existing thermostat and sensors. Before purchasing, confirm year, make, and trim compatibility using your vehicle lookup tool.

How does this housing restore coolant system reliability?

By replacing a cracked or warped housing, the coolant pathway is sealed and supported again, reducing leaks and helping the cooling system operate as designed. The housing’s material and design resist thermal cycling that commonly causes failure in aging units.

• Direct-replacement geometry for original mounting and hose alignment
• Material selected to tolerate repeated heating and cooling
• Sealing surfaces formed to mate with existing gaskets and thermostats

Which vehicle models and years does this part fit?

The Dorman 902-306 fits a specific set of Dodge and Jeep vehicles across multiple model years; always verify fitment with your vehicle details. It covers numerous Cherokee, Grand Cherokee, TJ and Wrangler model years plus Dodge Dakota years listed by the manufacturer.

• Dodge Dakota: 1997–2002
• Jeep Cherokee: 1991–2001
• Jeep Comanche: 1991–1992
• Jeep Grand Cherokee: 1993–2004; Jeep TJ and Wrangler: selected years 1991–2006

What are the material and durability advantages of this aftermarket housing?

Dorman designs replacement housings to withstand the high heat and pressure cycles found in engine cooling systems. The 902-306 uses reinforced construction and quality-controlled molding to reduce the chance of cracking, warping, or early failure common with aged stock housings.

• Reinforced body to resist thermal stress
• Precision-molded mounting bosses for secure fastening
• Surface tolerances to maintain gasket sealing and prevent leaks

Can I install this myself, and what should I check during replacement?

Yes, experienced DIYers with basic hand tools can replace this housing. Inspect mating surfaces, replace the gasket or O-ring, and refill and bleed the cooling system per manufacturer procedures to avoid air pockets.

• Replace the gasket or seal when installing
• Torque bolts to specified values and follow proper tightening sequence
• Refill coolant and bleed the system to remove trapped air

Who this is for: This part is suited for vehicle owners, mechanics, and restoration enthusiasts who need a dependable, cost-effective replacement for a failed thermostat housing on compatible Dodge Dakota and Jeep models. It’s also practical for fleet maintenance where long-term durability and fit accuracy matter. If you’re restoring cooling-system integrity without the dealer price, the Dorman 902-306 provides a direct-fit aftermarket option—just confirm vehicle compatibility before ordering.

Features include direct replacement fit, durable construction to resist cracking and leaking, and a value-oriented alternative to dealer parts. Use your vehicle lookup tool to ensure the 902-306 matches your specific year, make, and trim before installation.