Gates 33944 Engine Coolant Thermostat

Reliable Engine Cooling for Nissan Sentra

The Gates OE Type Thermostat 33944 is engineered to maintain optimal engine temperature for Nissan Sentra models. Designed with durable steel and copper materials, this engine coolant thermostat ensures precise temperature regulation and efficient cooling system performance.

• OE Type Thermostat design for direct replacement
• Constructed from steel and copper for durability
• Bottom by-pass design with jiggle pin weep hole
• Sealing flange outside diameter: 1.89 inches
• Start to open temperature: 170°F (77°C)
• O-ring seal type for secure fit
• Height between flanges: 1.39 inches
• By-pass flange diameter: 1.12 inches
• Includes one jiggle pin/check valve

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment specifications, providing reliable engine temperature control and compatibility with factory cooling systems. This product line focuses on precise fitment and performance, making it suitable for Nissan Sentra vehicles requiring an exact replacement thermostat that matches OE standards.

Product Details and Specifications

The Gates 33944 thermostat features a bottom by-pass design that allows coolant to circulate through the engine block before the thermostat opens, promoting efficient warm-up and temperature regulation. The thermostat starts to open at 170°F (77°C), ensuring the engine reaches optimal operating temperature quickly. Its steel and copper construction offers corrosion resistance and long service life. The O-ring seal provides a tight, leak-free installation, while the included jiggle pin weep hole helps prevent air locks in the cooling system. With a sealing flange outside diameter of 1.89 inches and a height of 2.13 inches, this thermostat fits Nissan Sentra cooling systems precisely.

Common Applications and Problem Solving

• Maintains proper engine temperature for Nissan Sentra models
• Prevents engine overheating due to thermostat failure
• Eliminates coolant leaks with O-ring seal design
• Reduces air pockets in cooling system via jiggle pin weep hole
• Supports efficient engine warm-up and fuel economy

Installation Notes and Tips

This thermostat is designed for direct replacement in Nissan Sentra vehicles. No installation tool is included, so ensure you have the appropriate tools for removal and installation. Verify the sealing surfaces are clean and free of debris before installing the new thermostat. Properly torque the housing bolts to manufacturer specifications to avoid leaks. Check coolant levels and bleed the cooling system after installation to remove trapped air.

Quality Assurance and Warranty

The Gates OE Type Thermostat 33944 meets OE performance standards, ensuring reliable operation and compatibility with Nissan Sentra cooling systems. Manufactured with high-quality steel and copper materials, this thermostat is built for durability and consistent performance. While specific warranty details are not provided, Gates products typically adhere to industry quality standards for automotive replacement parts.