Thermostat Cover 16321-21010 for Toyota Prius NHW20 2004-2009 | LongTopAuto

This 100% Genuine New Thermostat Cover is engineered to maintain precise engine operating temperatures by housing the thermostat securely within the cooling circuit. Manufactured to exact OEM specifications, this component prevents coolant leaks and ensures the structural integrity of the cooling system. It is a direct replacement part designed for seamless installation and long-term durability under high-pressure thermal cycling.

Technical Specifications

• OE Number: 16321-21010
• Interchange Numbers: 1632121010
• Material: High-Grade Reinforced Polymer/Aluminum Alloy
• Quality: 100% Genuine New
• Application: Engine Cooling System

Detailed Fitment

• Model: Toyota Prius | Years: 2004-2009 | Details: Chassis NHW20 [Engine 1NZ-FXE]

Dynamic Category Benefits

• Category: Engine Cooling System

Highlights

• Precision-molded to prevent coolant bypass and overheating
• Resistant to chemical degradation from long-life engine coolants
• Maintains factory-specified pressure seals for optimal thermal regulation

Disclaimer

Notice: Fitment may vary. Please verify your VIN (Vehicle Identification Number) with us before purchasing to ensure 100% fitment.