Stant 14778 Engine Coolant Thermostat / Water Outlet Assembly

Reliable Cooling with Stant Integrated Thermostat Housing 14778

The Stant Integrated Thermostat Housing 14778 is engineered to maintain optimal engine temperature for select Nissan and Infiniti vehicles. Designed for precise fitment, this engine coolant thermostat and water outlet assembly ensures consistent performance and durability.

• Bypass plate diameter: 1.18 inches for efficient coolant flow
• Flange diameter with seal: 1.46 inches, ensuring a secure seal
• Flange diameter without seal: 1.63 inches for proper mounting
• Height from flange to bottom: 1.3 inches for accurate fitment
• Thermostat temperature rating: 180 degrees Fahrenheit
• Compatible with Nissan Altima, Maxima, Murano, Quest and Infiniti I35 models

About the Stant Integrated Thermostat Housing Product Line

The Integrated Thermostat Housing line by Stant combines the thermostat and water outlet into a single assembly, simplifying installation and reducing potential leak points. This design enhances cooling system reliability and is tailored to meet the exact specifications of compatible Nissan and Infiniti vehicles, including the Altima, Maxima, Murano, Quest, and I35.

Detailed Product Description

The Stant 14778 thermostat housing integrates a 180-degree Fahrenheit thermostat with a water outlet assembly, designed to regulate engine temperature effectively. The precise bypass plate diameter of 1.18 inches allows controlled coolant circulation, while the flange diameters (1.46 inches with seal and 1.63 inches without) ensure a tight, leak-resistant fit. The 1.3-inch height from flange to bottom matches OEM specifications, facilitating straightforward replacement in Nissan and Infiniti models. This part supports the engine’s cooling system by opening and closing at the correct temperature, preventing overheating and promoting efficient engine operation.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housings in Nissan Altima, Maxima, Murano, Quest, and Infiniti I35
• 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 the engine is cool before beginning installation to avoid burns
• Verify the flange seal is properly seated to prevent leaks
• Use OEM or compatible coolant to maintain system integrity
• Inspect surrounding hoses and clamps for wear during replacement
• Follow vehicle-specific torque specifications for mounting bolts

Quality Assurance and Warranty

Stant parts, including the Integrated Thermostat Housing 14778, are manufactured to meet or exceed OEM standards. This part is designed for durability and reliable performance in Nissan and Infiniti vehicles. Please refer to Stant’s warranty policy for specific coverage details.