Gates 33915 Engine Coolant Thermostat

Reliable Engine Cooling for Dodge Ram 2500 and 3500

The Gates OE Type Thermostat 33915 is engineered to maintain optimal engine temperature in Dodge Ram 2500 and Ram 3500 models. Designed with durable steel and brass materials, this engine coolant thermostat ensures precise temperature regulation for efficient engine performance.

• Constructed from steel and brass for durability
• Reverse poppet bottom-blocking by-pass design
• Sealing flange outside diameter of 2.12 inches
• Height between flanges measures 0.95 inches
• Includes one O-ring seal and one jiggle pin weep hole
• Starts to open at 190°F (88°C) for accurate temperature control
• OE Type Thermostat design for direct replacement

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates focuses on delivering thermostats that meet original equipment specifications. This ensures compatibility and performance consistent with factory-installed parts. The 33915 thermostat features a reverse poppet bottom-blocking by-pass design, which helps regulate coolant flow effectively while maintaining engine temperature within the recommended range.

Detailed Product Description

This Gates engine coolant thermostat (part number 33915) is specifically designed for Dodge Ram 2500 and Ram 3500 trucks. Its steel and brass construction provides resistance to corrosion and wear, extending the service life of the thermostat. The reverse poppet bottom-blocking by-pass design allows coolant to circulate properly during warm-up, preventing engine overheating or overcooling. The thermostat includes a single O-ring seal and a jiggle pin weep hole to ensure proper sealing and air bleeding from the cooling system. With a start-to-open temperature of 190°F (88°C), it maintains precise engine temperature control for optimal performance.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Eliminates engine overcooling for improved fuel efficiency
• Resolves thermostat sticking or failure in Dodge Ram 2500 and 3500
• Maintains consistent engine operating temperature under varying conditions
• Supports proper coolant circulation during engine warm-up

Installation Notes and Tips

This thermostat does not include an installation tool, so using the appropriate tools for your Dodge Ram 2500 or 3500 is recommended. Ensure the sealing flange and O-ring are properly seated to prevent leaks. Verify the jiggle pin weep hole is unobstructed to allow air to escape from the cooling system. Follow vehicle manufacturer guidelines for thermostat replacement and coolant system bleeding procedures.

Quality Assurance and Warranty

The Gates OE Type Thermostat 33915 is manufactured to meet OE performance standards, ensuring reliable operation and fitment for Dodge Ram 2500 and 3500 models. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to maintain durability and functionality.