Dorman 902-2028 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Chevrolet and GMC

The Dorman 902-2028 engine coolant thermostat housing is designed to provide a durable and precise fit for various Chevrolet and GMC truck models. Crafted from metal with a natural finish, this thermostat housing ensures reliable performance in your vehicle's cooling system.

• Constructed from durable metal material for long-lasting use
• Natural color finish matching OEM appearance
• Outlet port diameter of 1.563 inches for proper coolant flow
• Two mounting holes with 0.313-inch diameter for secure installation
• 90-degree housing neck angle to fit specific engine configurations
• Includes thermostat housing with gasket; bolts and thermostat not included

Product Details and Specifications

The Dorman 902-2028 thermostat housing is engineered to fit a range of Chevrolet and GMC models including C1500, C3500, K3500, P30, P3500, R20, R2500, R3500, and various Suburban variants such as R20 Suburban and V20 Suburban. The metal construction offers strength and resistance to heat and corrosion, essential for maintaining the integrity of the engine cooling system. The housing features a 90-degree neck angle and a 1.563-inch outlet port diameter, ensuring compatibility with the original cooling system design. This part does not include a thermostat or bolts, and O-rings are not required. The package contains the thermostat housing along with a gasket for proper sealing during installation.

Compatible Vehicles and Applications

This thermostat housing is compatible with the following Chevrolet and GMC models:

• Chevrolet C1500, C3500, K3500
• Chevrolet P30, P3500
• Chevrolet R20, R2500, R3500, and Suburban variants
• GMC R20, R2500, R3500, V20 Suburban, V30, V3500

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Overheating due to improper coolant flow
• Loose or broken mounting points affecting housing stability
• Corrosion or wear compromising the cooling system seal
• Replacement of worn or OEM-failed thermostat housings

Installation Notes and Tips

When installing the Dorman 902-2028 thermostat housing, ensure the gasket is properly seated to prevent coolant leaks. Use the original mounting holes with a diameter of 0.313 inches for secure attachment. Since bolts and thermostat are not included, reuse existing hardware or source compatible replacements. Verify the 90-degree neck angle aligns with your vehicle’s cooling system layout. It is recommended to inspect the cooling system for any additional wear or damage during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function. The 902-2028 thermostat housing undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.