Gates 33347 Green Stripe Heavy-Duty Engine Coolant Thermostat

The Gates 33347 Green Stripe Heavy-Duty Engine Coolant Thermostat is engineered to deliver reliable temperature regulation in demanding heavy-duty applications. Designed specifically for trucks, buses, tractors, and heavy equipment, this thermostat withstands the extreme noise, vibration, and harshness found under the hood of commercial vehicles.

Key Features:

• Heavy-gauge brass and stainless steel construction provides superior corrosion resistance
• Quality-controlled factory calibration ensures accurate opening and closing regardless of pressure changes
• Temperature-sensitive heat motor delivers consistent valve response for smooth performance and precise engine cooling
• Includes jiggle pins for air venting, plus seals and gaskets for OE-equivalent installation
• Built to OE specifications for proper fit and function

This Green Stripe thermostat replaces numerous OEM part numbers including Motorcraft RT-329, Stant S-47-170, General Motors 12301455, Waukesha 156350, 162492A, 162492C, and multiple Mack, Robertshaw, and NAPA equivalents. Ideal for professional technicians servicing heavy-duty diesel engines and commercial fleet applications.