Replacement REPN318004 Thermostat with Housing 3.5L VQ35DE Engine

The Replacement REPN318004 is an OEM-quality engine thermostat with integrated housing designed for Nissan's 3.5L VQ35DE six-cylinder engine. This direct-fit thermostat assembly restores proper engine temperature regulation, helping your engine warm up efficiently and maintain optimal operating temperature under all driving conditions.

Key Features:

• Complete assembly — includes thermostat and housing for a straightforward, one-piece installation
• OEM replacement spec — engineered to match original factory temperature ratings for the VQ35DE engine
• Direct-fit design — bolt-on replacement requiring no modifications
• 3.5L VQ35DE compatibility — purpose-built for Nissan's widely used six-cylinder engine platform
• Restores cooling system performance — prevents overheating and ensures efficient engine warm-up cycles

The thermostat is a critical cooling system component that controls coolant flow between the engine and radiator. A failing thermostat can cause engine overheating, poor fuel economy, and heater performance issues. This assembly replaces the complete thermostat and housing unit, eliminating the need to source components separately.