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

Thermostat 5292712 for Cummins

This thermostat 5292712 is designed for Cummins 2008-2014 6.7L ISB diesel engines, ensuring precise coolant temperature control with OEM cross-reference numbers 3974371 and 4929644.

Overview

This thermostat 5292712 for Cummins 6.7L ISB diesel engines regulates engine temperature by opening and closing at the factory-set point. It fits 2008-2014 model years and serves as a direct replacement for OEM part numbers 3974371 and 4929644. Installing this thermostat helps maintain proper warm-up time and prevents overheating or overcooling in heavy-duty applications.

Built For Performance

• Precision-calibrated opening temperature for 6.7L ISB engine specs
• Rugged construction resists vibration and thermal fatigue
• Cross-references OEM numbers 3974371 and 4929644 for fitment accuracy
• Ensures consistent coolant flow to protect the engine from thermal stress

Fits These Machines

• for Cummins 6.7L ISB diesel in 2008 model year trucks
• for Cummins 6.7L ISB diesel in 2009 model year trucks
• for Cummins 6.7L ISB diesel in 2010 model year trucks
• for Cummins 6.7L ISB diesel in 2011 model year trucks
• for Cummins 6.7L ISB diesel in 2012 model year trucks
• for Cummins 6.7L ISB diesel in 2013 model year trucks
• for Cummins 6.7L ISB diesel in 2014 model year trucks

On-The-Job Use

• Replaces a worn thermostat during cooling system maintenance
• Used in diesel-powered trucks for towing, hauling, and daily driving
• Required when engine temperature runs low or high, impacting performance
• Common service part during water pump or coolant flush intervals

Specs At A Glance

Good To Know

Q: Is this thermostat a direct replacement for the original part? A: Yes, it matches OEM cross-reference numbers 3974371 and 4929644, so it fits without modification.

Q: What happens if I ignore a failing thermostat? A: A stuck thermostat can lead to engine overheating, reduced fuel efficiency, or uneven warm-up, which may cause long-term engine damage.

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