Gates 33758 Engine Coolant Thermostat

Gates OE Type Thermostat 33758 Overview

The Gates OE Type Thermostat 33758 is an engine coolant thermostat built for precise temperature control and an OEM-equivalent fit. It is a direct replacement style thermostat for select Dodge D250, D350, W250, and W350 applications from 1989-1993, including 180-degree OE temperature service.

Gates OE Type Thermostats are part of the OE Type Thermostat line, focused on factory-style fitment and consistent cooling system operation. For buyers searching for a Gates 33758 thermostat or an OE-style engine coolant thermostat for Dodge D250 and Dodge W350 trucks, this part matches the application details listed below.

Key Features

• OE Type Thermostat for factory-style cooling system service
• 180 degree start-to-open temperature
• Bottom by-pass design
• Steel and copper construction
• Jiggle pin weep hole included for air bleeding
• OE Performance comparison rating
• Sealing flange outside diameter: 2.13 in.
• Height: 2.06 in.; height between flanges: 1.3 in.

Detailed Description

Gates 33758 is an engine coolant thermostat engineered to regulate coolant flow at the specified opening temperature so the engine can reach and maintain normal operating temperature. The steel and copper construction supports durable service in the cooling system, while the bottom by-pass design and jiggle pin weep hole help maintain proper coolant circulation and air management during operation. This thermostat is listed with no gasket quantity and no installation tool included.

Compatible With 1989-1993 Dodge D250, 1989-1993 Dodge D350, 1989-1993 Dodge W250, and 1989-1993 Dodge W350 applications. If you are replacing a worn thermostat on a Dodge D250 or Dodge W350 and want an OE-style replacement, Gates 33758 provides the temperature control and fit profile specified for these trucks. This part cross-references Motorad 233-180JV for the same application.

What It Helps Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuation caused by a sticking thermostat
• Cooling system flow issues related to thermostat wear
• Air trapped in the cooling system after service
• OE-style replacement needs for Dodge D250, D350, W250, and W350 trucks

Installation Notes and Tips

Verify the thermostat orientation, bypass design, and temperature rating before installation. Clean the housing sealing surfaces thoroughly and inspect the cooling system for contamination or corrosion that could affect thermostat operation. Confirm the application against the vehicle year, model, and OE temperature requirement before final assembly.

Quality Assurance

Gates OE Type Thermostats are engineered for precise temperature control and leak-free, OEM-equivalent fit. The OE Performance rating reflects a factory-style replacement standard for cooling system service.