Gates 33758 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Dodge D250, D350, W250, W350

The Gates OE Type Thermostat 33758 is engineered to maintain optimal engine temperature for Dodge D250, D350, W250, and W350 models. Designed with durable steel and copper materials, this engine coolant thermostat ensures precise temperature regulation and efficient cooling system performance.

• Material: Steel and copper construction for durability
• Start to open temperature: 180°F (82°C)
• Design: Bottom by-pass with jiggle pin weep hole
• Sealing flange outside diameter: 2.13 inches
• Height between flanges: 1.3 inches
• By-pass flange diameter: 1.14 inches
• OE Type Thermostat brand line for original equipment performance
• Compatible with Dodge D250, D350, W250, W350

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment specifications, providing reliable temperature control and seamless integration with your vehicle's cooling system. This product line focuses on precise opening temperatures and durable materials, ensuring consistent engine performance and longevity. The 33758 thermostat exemplifies these qualities with its steel and copper construction and bottom by-pass design.

Product Details and Specifications

The Gates 33758 thermostat features a bottom by-pass design that includes a jiggle pin weep hole to prevent air lock and ensure smooth coolant flow. It opens at 180°F (82°C), maintaining the engine within the optimal temperature range. The thermostat's sealing flange outside diameter measures 2.13 inches, with a height between flanges of 1.3 inches and an overall height of 2.06 inches. The by-pass flange diameter is 1.14 inches, and the height from flange is 0.76 inches. This thermostat does not include gaskets or installation tools, so ensure proper sealing during installation.

Common Applications and Issues Addressed

• Regulates engine temperature to prevent overheating
• Maintains efficient coolant flow in Dodge D250, D350, W250, and W350
• Prevents engine damage caused by thermostat failure
• Eliminates air lock issues with jiggle pin weep hole design
• Supports consistent engine warm-up and fuel efficiency

Installation Notes and Tips

Installation of the Gates 33758 thermostat requires careful handling to avoid damage to the steel and copper components. Note that this part does not include an installation tool or gaskets, so use OEM or compatible gaskets to ensure a proper seal. Verify the thermostat orientation with the bottom by-pass design and jiggle pin placement to maintain correct coolant flow. Always follow vehicle-specific service manual instructions for torque specifications and coolant system bleeding procedures.

Quality Assurance and Warranty

The Gates OE Type Thermostat 33758 is manufactured to meet OE performance standards, ensuring reliable operation in Dodge D250, D350, W250, and W350 vehicles. Gates provides quality assurance backed by rigorous testing and engineering controls. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.