Autotecnica TY0715781PRM Engine Coolant Thermostat Housing

Overview of Autotecnica Engine Coolant Thermostat Housing

The Autotecnica Engine Coolant Thermostat Housing TY0715781PRM is designed for reliable cooling system performance in select Lexus, Scion, and Toyota vehicles. Engineered from durable aluminum with a corrosion-resistant black finish, this thermostat housing supports efficient engine temperature regulation.

• Constructed from corrosion-resistant aluminum material
• Black finish for enhanced durability and corrosion protection
• Single outlet port with a diameter of 1.16 inches
• Two mounting holes with 74.7 mm center-to-center spacing
• Flange dimensions: 2.93 inches width, 3.9 inches length, 16.5 mm thickness
• Housing neck angle of 74 degrees for precise fitment
• Compatible with Lexus, Scion, and Toyota models including Camry, Corolla, Highlander, HS250h, Matrix, RAV4, Solara, and xB

Product Line Details: HD Aluminum Upgrade, Corrosion Resistant Finish

This thermostat housing is part of Autotecnica's HD Aluminum Upgrade, Corrosion Resistant Finish line, which focuses on enhanced durability and longevity. The aluminum construction combined with a corrosion-resistant coating helps prevent rust and wear, making it suitable for vehicles operating in various environmental conditions. This product line is engineered to provide a robust replacement option for factory thermostat housings.

Technical Description and Specifications

The Autotecnica TY0715781PRM thermostat housing features a precise design with a 1.16-inch outlet port diameter and a 52 mm inlet port diameter, ensuring proper coolant flow. The housing stands 132.5 mm tall and includes two mounting holes with a diameter of 9.5 mm each, spaced 74.7 mm apart center-to-center. The flange measures 2.93 inches in width and 3.9 inches in length, with a thickness of 16.5 mm, providing a secure seal surface. The housing neck is angled at 74 degrees to match OEM specifications for compatible vehicles. Note that this part does not include a thermostat, gasket, seal, or bleeder valve.

Common Applications and Problem Resolution

• Replacement for cracked or leaking thermostat housings
• Addressing corrosion-related coolant leaks
• Upgrading to a more durable aluminum housing for extended service life
• Restoring proper coolant flow and engine temperature regulation
• Compatible with cooling system repairs on Lexus Camry, Toyota Corolla, and related models

Installation Notes and Tips

Ensure the mounting surface is clean and free of old gasket material before installation. This thermostat housing requires a compatible thermostat and gasket, which are not included. Verify the housing neck angle and port diameters match the vehicle’s specifications. Use appropriate torque settings on the two mounting bolts to avoid warping the flange. Inspect coolant hoses for wear and replace if necessary during installation.

Quality Assurance and Warranty

Manufactured by Autotecnica, this thermostat housing meets OEM fitment standards for Lexus, Scion, and Toyota vehicles. The corrosion-resistant aluminum construction supports long-term durability. Warranty information is provided by the manufacturer and should be confirmed at the time of purchase.