Dorman 902-5934 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Chevrolet, Pontiac, and Toyota

The Dorman 902-5934 engine coolant thermostat housing is designed to provide a durable and precise fit for select Chevrolet, Pontiac, and Toyota models including the Corolla, Prizm, and Vibe. Crafted from metal with a natural finish, this thermostat housing ensures consistent engine temperature regulation and reliable cooling system performance.

Key Features of the Dorman 902-5934 Thermostat Housing

• Constructed from durable metal material for long-lasting use
• Natural color finish matching OEM appearance
• Outlet port diameter of 2 inches and inlet port diameter of 1.125 inches
• Compact height of 2.5 inches with a flange thickness of 0.215 inches
• Two mounting holes with a center-to-center distance of 2.9 inches
• Mounting hole diameter of 0.285 inches for secure installation
• 45-degree housing neck angle for proper coolant flow alignment
• Does not include thermostat, gasket, bolts, or O-rings
• Package contains one thermostat housing unit

Detailed Description of the Thermostat Housing

The Dorman 902-5934 engine coolant thermostat housing is engineered to meet the specifications required for Chevrolet, Pontiac, and Toyota vehicles such as the Corolla, Prizm, and Vibe. Its metal construction offers strength and resistance to heat and corrosion, essential for maintaining the integrity of the cooling system. The housing features a 45-degree neck angle to facilitate proper coolant flow and connection to the radiator hose. With two mounting holes spaced 2.9 inches apart, it ensures a secure fit on the engine block. The natural metal finish provides a clean, OEM-like appearance. Note that this housing does not include the thermostat, gasket, bolts, or O-rings, allowing for flexibility in replacement parts based on your vehicle’s needs.

Common Applications and Issues Addressed

• Replacement of cracked or leaking thermostat housing
• Resolving coolant leaks around the thermostat area
• Restoring proper coolant flow to prevent engine overheating
• Repairing damaged or corroded housing components
• Maintaining engine temperature regulation for optimal performance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Inspect and replace the thermostat, gasket, and O-rings separately as needed
• Clean the mounting surface thoroughly to prevent leaks
• Use appropriate torque specifications for mounting bolts (not included)
• Check hose connections for proper fit and secure clamps

Quality Assurance and Warranty Information

Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. While the product does not include a thermostat or mounting hardware, it is designed for durability and reliable performance in the cooling system. Warranty coverage details can be obtained from the product packaging or Dorman’s official resources to ensure peace of mind with your purchase.