Dorman 902-3020 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-3020

The Dorman 902-3020 engine coolant thermostat housing is designed to provide reliable cooling system performance for select Chrysler, Dodge, and Plymouth vehicles. This metal thermostat housing comes with a gasket included, ensuring a secure and leak-free installation for models like the Dodge Dakota and Chrysler Grand Caravan.

• Durable metal construction in natural color
• Includes gasket for proper sealing
• Outlet port diameter of 1 inch
• Two mounting holes with 0.313 inch diameter each
• 90-degree housing neck angle for precise fitment
• Compatible with Chrysler, Dodge, and Plymouth vehicles
• Part number 902-3020 for easy identification

Detailed Product Description

The Dorman 902-3020 engine coolant thermostat housing is engineered from metal to withstand the high temperatures and pressures within the cooling system. Its natural finish provides corrosion resistance and durability. The housing features a 1-inch outlet port diameter and a 90-degree neck angle, designed to match the original equipment specifications for proper coolant flow. Two mounting holes, each measuring 0.313 inches in diameter, allow for secure attachment without the need for additional bolts, which are not included. This thermostat housing comes with a gasket to ensure a tight seal and prevent coolant leaks. It does not include a thermostat or O-rings, as these are not required for this specific application.

Compatible Vehicles and Applications

This thermostat housing is compatible with a range of Chrysler, Dodge, and Plymouth models, including the Chrysler Acclaim, Charger, LeBaron, New Yorker, Shadow, Spirit, and Sundance, as well as the Dodge Dakota, Daytona, and Grand Caravan. The part number 902-3020 is specifically designed to meet the fitment requirements of these vehicles, ensuring proper installation and function within the engine cooling system.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks due to cracked or damaged housing
• Overheating caused by faulty thermostat housing connections
• Corrosion and wear from prolonged exposure to engine heat
• Improper coolant flow resulting from warped or broken housings
• Replacement of worn or missing gaskets to prevent leaks

Installation Notes and Tips

When installing the Dorman 902-3020 thermostat housing, ensure the engine is cool before beginning work. Remove the old housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to provide a proper seal with the included gasket. Since bolts are not included, reuse the original mounting hardware if in good condition or source appropriate replacements. Verify the 90-degree neck angle aligns correctly with the coolant hoses to prevent stress or leaks. After installation, refill the cooling system and check for leaks during engine operation.

Quality Assurance and Warranty

Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction ensures durability under normal operating conditions. This part includes a gasket to support a reliable seal. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.