3974371 Thermostat 5292712 Fit For Cummins 2008-2014 6.7L ISB Diesel 4929644

Thermostat for Cummins

This thermostat, referenced by OEM cross-numbers 3974371, 5292712, and 4929644, is a direct replacement component designed to regulate engine temperature in Cummins 2008-2014 6.7L ISB diesel engines.

Overview

This thermostat for Cummins 6.7L ISB diesel engines maintains optimal operating temperature by controlling coolant flow. It is a critical component for engine efficiency and longevity in 2008-2014 applications. This thermostat for Cummins ensures consistent thermal management under varying load conditions.

Built For Performance

• Precision-engineered to open at the correct temperature for 6.7L ISB engines
• Constructed with durable materials for long service life
• Includes a high-quality O-ring for a secure seal
• Meets or exceeds OEM specifications for reliable fit and function

Fits These Machines

• for Cummins 2008-2014 6.7L ISB Diesel engines

On-The-Job Use

• Commonly used in heavy-duty pickup trucks and commercial vehicles powered by the 6.7L ISB engine
• Essential for routine cooling system maintenance and repair
• Ideal for fleet maintenance and engine rebuild applications

Specs At A Glance

Good To Know

Q: What is the role of this thermostat in the engine? A: The thermostat regulates coolant flow to maintain proper engine operating temperature, preventing overheating and ensuring efficient combustion.

Q: Does this thermostat come with a gasket or O-ring? A: Yes, this thermostat includes the required O-ring to create a proper seal during installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.