Gates 33747 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Nissan and Infiniti Vehicles

The Gates OE Type Thermostat 33747 is engineered to maintain optimal engine temperature for select Nissan, Infiniti, and Isuzu models. Designed with durable steel and copper materials, this thermostat ensures consistent performance and precise temperature regulation.

• Constructed from steel and copper for durability and heat resistance
• Bottom by-pass design with a jiggle pin weep hole for effective coolant flow
• Start to open temperature at 170°F (77°C) for accurate engine temperature control
• Sealing flange outside diameter of 2.13 inches and height of 2.19 inches
• OE Type Thermostat line ensures original equipment performance standards

Detailed Features and Specifications

This Gates OE Type Thermostat 33747 features a bottom by-pass design that allows coolant to circulate efficiently even when the thermostat is closed, helping to prevent engine overheating. The inclusion of a jiggle pin weep hole aids in air bleeding from the cooling system, reducing the risk of air pockets. With a start to open temperature of 170°F (77°C), it maintains precise engine temperature control, which is critical for engine efficiency and emissions. The thermostat’s sealing flange outside diameter measures 2.13 inches, and the overall height is 2.19 inches, ensuring proper fitment and sealing within the cooling system.

OE Type Thermostat Product Line Overview

The Gates OE Type Thermostat product line is designed to meet original equipment (OE) performance specifications, providing reliable temperature regulation and durability. This line focuses on delivering thermostats that match the exact fit and function of factory-installed parts, making it suitable for professional repairs and maintenance. The 33747 model exemplifies this approach by combining quality materials and precise engineering to support the cooling needs of Nissan, Infiniti, and Isuzu vehicles.

Compatible Vehicles and Common Applications

• INFINITI models including NX and G20
• Nissan models such as 200SX, 240SX, Altima, Sentra, Stylus, Frontier, Xterra, and D21 Pickup
• Isuzu models including Pickup and D21

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure or sticking
• Poor engine warm-up performance affecting fuel efficiency
• Coolant flow restriction causing uneven engine temperature
• Air trapped in the cooling system leading to overheating
• Inconsistent temperature regulation impacting engine emissions

Installation Notes and Tips

This thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the sealing flange dimensions and height to confirm compatibility with your vehicle’s cooling system. Properly bleed the cooling system after installation to remove air pockets, utilizing the jiggle pin weep hole feature. Follow manufacturer torque specifications to avoid leaks or damage.

Quality Assurance and Warranty

The Gates OE Type Thermostat 33747 is manufactured to meet OE performance standards, ensuring reliable operation and durability. While specific warranty details are not provided, Gates products typically adhere to industry quality controls and are backed by the brand’s commitment to automotive part reliability.