Autotecnica TY0717859 Engine Coolant Thermostat / Water Inlet Assembly

Engine Coolant Thermostat Assembly

Autotecnica TY0717859 is an engine coolant thermostat and water inlet assembly for the Toyota Tacoma. It is built for direct replacement service and follows OEM-style specifications for cooling system repair.

Fits 2016-2022 Toyota Tacoma, N/A.

Key Features

• MAP controlled thermostat design for precise coolant flow management.
• 87-degree opening temperature for regulated engine warm-up.
• Black PA9T GF35 housing for durable cooling system construction.
• Wax pellet thermostat element for consistent temperature response.
• Gasket or seal included for a complete service replacement.
• Temperature sensor not included.
• Bleeder screw not included.

Detailed Description

This Autotecnica thermostat assembly, part number TY0717859, is made for 2016-2022 Toyota Tacoma applications. The assembly combines the thermostat and water inlet housing in one service part, with a MAP controlled design and an 87-degree opening point to help regulate coolant circulation at the proper operating temperature. The PA9T GF35 housing and wax pellet thermostat construction support dependable cooling system service, while the included seal helps simplify replacement work. TY0717859 cross-references Beck/Arnley 143-0947 and Dorman - OE Solutions 902-5941 for the same application.

Common Repair Uses

• Replacing a thermostat that is stuck open or stuck closed.
• Addressing slow engine warm-up or unstable operating temperature.
• Repairing coolant leaks at the thermostat housing interface.
• Restoring proper coolant flow control in the cooling system.

Installation Notes and Tips

Verify the housing style, sensor provision, and seal condition before installation. Clean the mating surfaces thoroughly and confirm the mounting hole diameter matches the original setup. This part number TY0717859 is listed for Toyota Tacoma models with included thermostat, seal, and sensor notes in the fitment data.

Quality Assurance

Autotecnica manufactures aftermarket parts under ISO/TS 16949 quality management system specifications and backs this part with a two-year, unlimited mileage warranty.