Dorman 902-5011 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-5011

The Dorman 902-5011 engine coolant thermostat housing is designed specifically for Toyota 4Runner, Pickup, and T100 models. Constructed from durable black plastic, this thermostat housing includes a gasket for a secure seal and features precise dimensions to ensure proper fitment and function.

• Material: High-quality black plastic for corrosion resistance
• Outlet port diameter: 1.313 inches for accurate coolant flow
• Includes gasket for reliable sealing
• Three mounting holes with 0.313-inch diameter for secure installation
• Housing neck angle: 180 degrees to match OEM specifications
• Compatible with Toyota 4Runner, Pickup, and T100 models
• Part number: 902-5011

Detailed Product Description

The Dorman 902-5011 thermostat housing is engineered to replace the original equipment part on select Toyota vehicles, including the 4Runner, Pickup, and T100. Made from durable plastic, it resists corrosion and heat damage commonly encountered in engine cooling systems. The housing features a 1.313-inch outlet port diameter and a 180-degree neck angle, ensuring proper coolant flow and fitment. It comes with a pre-installed gasket to prevent leaks and has three mounting holes sized at 0.313 inches for secure attachment. This housing does not include a thermostat or bolts, and no O-rings are required for installation.

Common Applications and Issues Addressed

• Replacement for cracked or leaking thermostat housing
• Prevents coolant leaks that can cause engine overheating
• Restores proper coolant flow in Toyota 4Runner, Pickup, and T100 models
• Addresses housing warping or damage from heat exposure
• Ensures a secure seal with included gasket to avoid coolant loss

Installation Notes and Tips

• Ensure engine is cool before removal to avoid burns
• Remove old thermostat housing and clean mounting surface thoroughly
• Use the included gasket to create a proper seal
• Torque mounting bolts to manufacturer specifications (bolts not included)
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5011 thermostat housing undergoes quality inspections to ensure durability and reliability in engine cooling systems. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.