Dorman 902-3312 Engine Coolant Thermostat Housing Assembly — Compatible with Select Chrysler, Dodge, Jeep Models

Direct replacement with durable performance

The Dorman 902-3312 Engine Coolant Thermostat Housing Assembly is engineered to mirror the fit and durability of the stock housing on a defined set of vehicles. Designed to withstand everyday temperature swings, this part aims to extend service life by resisting cracks and leaks in the cooling system. Rather than a generic rebuild, it offers a purpose-built solution that complements the rest of your cooling components while maintaining steady coolant flow.

Fit and compatibility are central to this replacement. Before purchase, use the garage tool to confirm fitment: the Confirmed Fit bar at the top of the page will help you verify notes that might affect your vehicle. The following models and years are covered by this part, including Chrysler Aspen, Dodge Dakota and Ram pickups, Jeep Grand Cherokee and Liberty, Jeep Commander, Mitsubishi Raider, and more. If your vehicle year and trim are listed, you are likely looking at a precise, factory-style replacement that respects the original design intent.

Why this thermostat housing stands out

• Ideal replacement - directly replaces the original water outlet on specified years, makes, and models
• Durable construction - engineered to resist cracking and leaking amid extreme temperature changes
• Century of experience - backed by Dorman’s 100+ years of automotive replacement part expertise
• Industry-leading design - professionally engineered by the aftermarket leader in thermostat housing assemblies
• Ensure fit - use the garage tool to verify, and hover the blue-i icon for any notes that apply

In practice, this part supports a broad range of models across model years, including but not limited to Chrysler Aspen (2007–2009), Dodge Dakota (2000–2011), Dodge Durango (2000–2009), Dodge Nitro (2007–2011), Ram 1500 (2002–2010, 2011–2013), Ram 2500 (2010–2013), Jeep Commander (2006–2010), Jeep Grand Cherokee (1999–2010), Jeep Liberty (2002–2013), Mitsubishi Raider (2006–2009), and Ram Dakota pickups. The goal is a confident, dependable replacement that respects the original system expectations while you drive.

What you can expect in everyday use

• Reliable coolant outlet replacement that supports steady engine temperatures during varying driving conditions
• Resistance to leaks and structural cracks as temperatures shift between cold starts and hot engine operation
• Consistent fit with minimal rework when paired with the correct vehicle trim and year
• Support from a brand with extensive aftermarket engineering knowledge and parts testing

To shop with confidence, consider using the garage tool to verify fitment notes. This approach helps ensure your chosen part aligns with your specific trim and year, reducing the chance of misfit parts and the need for returns.