Stant 14239 Engine Coolant Thermostat

Stant 14239 Heavy-Duty Thermostat for Dodge Viper

The Stant Heavy-Duty Thermostat 14239 is an engine coolant thermostat built to OE design standards for Dodge Viper applications. It uses a stainless steel assembly for smooth operation and durable construction for long service life, with a 190-degree opening temperature and seal included.

Key Features

• Engine coolant thermostat with OE-style design
• 190-degree Fahrenheit temperature rating
• Stainless steel assembly for consistent movement and performance
• Durable construction for extended service life
• Seal included for the listed applications
• Bypass plate diameter: 1.03 in.
• Flange diameter with seal: 2.875 in.; without seal: 2.652 in.
• Height from flange to bottom: 1.45 in.; height from flange to top of bridge: 1.82 in.

Product Details

Stant 14239 is a Heavy-Duty Thermostat line part engineered for direct-fit cooling system service on Dodge Viper models. The 190-degree calibration matches OE temperature requirements on select years and provides an alternate temperature option on earlier Viper applications. This thermostat is built around a stainless steel assembly and original equipment design to support stable coolant flow control in the engine cooling system. This part cross-references OE replacement 15229 for the same application.

Vehicle Fitment

• Fits 2015-2017 Dodge Viper, N/A. Temperature 190 Degrees; Seal Included - Seal; Part Replacement Replaces 15229; Heavy-Duty Thermostat.
• Fits 2008-2010 Dodge Viper, N/A. Temperature 190 Degrees; Seal Included - Seal; Part Replacement Replaces 15229; OE Temperature; Heavy-Duty Thermostat.
• Fits 2003-2006 Dodge Viper, N/A. Temperature 190 Degrees; Seal Included - Seal; Part Replacement Replaces 15229; OE Temperature; Heavy-Duty Thermostat.
• Fits 1992-2002 Dodge Viper, N/A. Temperature 190 Degrees; Seal Included - Seal; Part Replacement Replaces 15229; Alternate Temperature; Heavy-Duty Thermostat.

What It Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant circulation from a sticking thermostat
• Temperature fluctuation caused by inconsistent thermostat opening
• Cooling system service on Dodge Viper models with OE-style replacement needs
• Replacement of a thermostat that no longer maintains proper operating temperature

Installation Notes and Tips

Verify the 190-degree temperature specification and match the thermostat dimensions to the original part before installation. Inspect the sealing surface, housing condition, and coolant condition during service. Confirm the application against the listed Dodge Viper year range and replacement reference 15229 before final assembly.

Quality Assurance

Stant’s Heavy-Duty Thermostat line uses an OE design approach and stainless steel construction for dependable cooling system operation. The part is built for the listed Dodge Viper applications and follows the manufacturer’s stated temperature and dimensional specifications.