Dorman 902-5929 Engine Coolant Thermostat Housing - Outer

Overview of Dorman Engine Coolant Thermostat Housing 902-5929

The Dorman 902-5929 engine coolant thermostat housing is designed for reliable cooling system performance in select Lexus and Toyota vehicles. Crafted from durable metal with a natural finish, this thermostat housing ensures proper coolant flow and engine temperature regulation.

• Constructed from sturdy metal material for durability
• Natural color finish for corrosion resistance
• 1.5-inch outlet port diameter for optimal coolant flow
• Two mounting holes with 0.25-inch diameter for secure installation
• 45-degree housing neck angle to fit specific engine configurations
• Does not include thermostat, gasket, bolts, or O-rings

Detailed Product Description

The Dorman 902-5929 engine coolant thermostat housing is engineered to meet the specifications required by various Lexus and Toyota models, including the Avalon, Camry, ES350, Highlander, RAV4, RX350, Sienna, and Venza. Its metal construction provides strength and resistance to heat and pressure within the cooling system. The 1.5-inch outlet port diameter facilitates efficient coolant circulation, while the 45-degree neck angle aligns with the engine’s coolant routing for a precise fit. This housing includes two mounting holes, each with a 0.25-inch diameter, ensuring a secure and stable attachment to the engine block. Note that this part does not come with a thermostat, gasket, bolts, or O-rings, so these components must be sourced separately during installation.

Compatible Vehicles and Applications

This thermostat housing is compatible with the following Lexus and Toyota models:

• Lexus ES350 and RX350
• Toyota Avalon, Camry, Highlander, RAV4, Sienna, and Venza

It is designed specifically for engine coolant systems requiring a 45-degree housing neck angle and a 1.5-inch outlet port diameter, making it suitable for these vehicles’ cooling system configurations.

Common Issues Addressed by This Thermostat Housing

• Leaking or cracked thermostat housing causing coolant loss
• Overheating due to improper coolant flow
• Corrosion or wear compromising housing integrity
• Loose or damaged mounting points affecting coolant system stability
• Replacement of worn or damaged housing during cooling system maintenance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Inspect and replace the thermostat, gasket, and mounting bolts as needed since they are not included
• Clean the mounting surface thoroughly to prevent leaks
• Torque mounting bolts to manufacturer specifications for a secure fit
• Check for leaks after installation by running the engine and monitoring coolant flow

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5929 thermostat housing undergoes rigorous quality control to ensure durability and reliable performance in compatible Lexus and Toyota vehicles. Please refer to Dorman’s warranty policy for specific coverage details.