Stant 14058 Engine Coolant Thermostat

OE Type Thermostat for Dodge Cooling Systems

Stant 14058 is an engine coolant thermostat built to OE-type dimensions and temperature control for select Dodge trucks. It opens at 180 degrees and uses a stainless steel assembly for smooth operation and consistent coolant flow.

Key Features

• OE Type Thermostat design for factory-style fit and function
• 180 Degrees Fahrenheit temperature rating
• Durable material construction for long service life
• Stainless steel assembly engineered for smooth performance
• Bypass plate diameter: 0.53 in.
• Flange diameter without seal: 2.125 in.
• Height from flange to bottom: 1.17 in.
• Height from flange to top of bridge: 0.78 in.

Detailed Description

Stant OE Type Thermostat Part Number 14058 is an OE-style engine coolant thermostat for 1989-1993 Dodge D250, Dodge D350, Dodge W250, and Dodge W350 applications. This thermostat is specified at 180 degrees Fahrenheit and is built with durable materials and a stainless steel assembly to support steady, repeatable coolant regulation in the engine cooling system. For buyers searching for a 1989 Dodge D250 thermostat, a 1991 Dodge W350 coolant thermostat, or Stant 14058 for Dodge truck cooling repair, this part matches the listed OE temperature and fitment requirements.

The Stant OE Type Thermostat line focuses on original equipment design and consistent replacement dimensions, making it a practical choice when restoring factory cooling behavior. Part number 14058 is also a useful reference when comparing OE-style thermostat options for Dodge D250, D350, W250, and W350 trucks.

Common Cooling Issues It Can Address

• Engine running cooler or warmer than the specified operating range
• Delayed coolant circulation after cold starts
• Temperature fluctuation during normal driving
• Cooling system service on aging Dodge truck applications
• Replacement of a thermostat that no longer opens at the correct temperature

Installation Notes and Tips

Verify the thermostat temperature rating and housing dimensions before installation. Clean the sealing surfaces thoroughly, inspect the thermostat housing and gasket surface for corrosion or damage, and refill the cooling system with the correct coolant mixture after service. Confirm the part number 14058 and the vehicle application before final assembly.

• Fits 1989-1993 Dodge D250, N/A; Temperature 180 Degrees; OE Temperature; OE Type Thermostat
• Fits 1989-1993 Dodge D350, N/A; Temperature 180 Degrees; OE Temperature; OE Type Thermostat
• Fits 1989-1993 Dodge W250, N/A; Temperature 180 Degrees; OE Temperature; OE Type Thermostat
• Fits 1989-1993 Dodge W350, N/A; Temperature 180 Degrees; OE Temperature; OE Type Thermostat

Quality Assurance

Stant manufactures this thermostat to OE-type design standards with durable materials and a stainless steel assembly for dependable cooling-system performance. Part number 14058 is built for direct replacement use in the listed Dodge truck applications.