Motorad 634-180 Engine Coolant Thermostat Housing Assembly - Upper

Reliable Engine Coolant Thermostat Housing for Toyota Vehicles

The Motorad Integrated Housing Thermostat 634-180 is designed to maintain optimal engine temperature for Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra models. This engine coolant thermostat housing assembly ensures precise temperature regulation at 180°F, supporting efficient engine performance.

• Compatible with Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra
• Engine coolant thermostat housing assembly with integrated thermostat
• Opening temperature set at 180°F for accurate temperature control
• Constructed from durable plastic, stainless steel, and copper materials
• Includes a rubber gasket/seal for secure, leak-free installation
• Features 3 bolt holes for stable mounting (bolts not included)
• Single outlet port with a 1.35-inch diameter
• Black color finish for corrosion resistance and durability

About the Motorad Integrated Housing Thermostat Product Line

The Integrated Housing Thermostat line by Motorad combines the thermostat and housing into a single assembly, simplifying installation and reducing potential leak points. This design enhances cooling system reliability and is engineered to meet the specific temperature requirements of Toyota engines, including the 4Runner, FJ Cruiser, Tacoma, and Tundra. The 634-180 part number represents a precise fit and function within this product line.

Detailed Product Description

The Motorad 634-180 thermostat housing assembly integrates a thermostat calibrated to open at 180 degrees Fahrenheit, ensuring your Toyota engine maintains optimal operating temperature. The housing is constructed from a combination of plastic, stainless steel, and copper, providing a balance of durability and corrosion resistance. It includes a rubber gasket to create a tight seal and prevent coolant leaks. The assembly features three bolt holes for secure mounting, though mounting hardware and bolts are not included. The single outlet port measures 1.35 inches in diameter, matching OEM specifications for proper coolant flow.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housing assemblies on Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra
• Resolves engine overheating caused by thermostat failure
• Prevents coolant leaks due to worn or damaged housing seals
• Restores proper coolant flow and temperature regulation
• Addresses engine performance issues related to improper thermostat operation

Installation Notes and Tips

• Ensure engine is cool before beginning installation to avoid burns
• Use the included rubber gasket to prevent coolant leaks; do not reuse old seals
• Torque bolts evenly to manufacturer specifications; bolts are not included
• Inspect surrounding cooling system components during installation for wear or damage
• Bleeder hole is not present; follow vehicle-specific bleeding procedures to remove air pockets

Quality Assurance and Warranty

Motorad manufactures the 634-180 thermostat housing assembly to meet OEM standards for fit and function. The use of quality materials such as stainless steel and copper ensures durability and corrosion resistance. This part includes a rubber gasket for a reliable seal. While specific warranty details are not provided, Motorad products typically adhere to industry quality controls to support long-term performance in Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra vehicles.