
- Optimal Temperature Control: Designed to maintain a precise 190-degree operating temperature, this thermostat ensures your engine runs within its most efficient range, maximizing fuel economy and reducing wear.
- Genuine OEM Quality: Built to stringent Cummins OEM specifications, you can trust this thermostat for reliable performance and a perfect fit, just like the original part.
- Enhanced Engine Life: By providing accurate and consistent temperature regulation, it protects your engine from the damaging effects of temperature fluctuations, extending its lifespan.
- Direct-Fit Installation: This kit includes the necessary seal and is engineered for a hassle-free, direct replacement, getting you back on the road quickly.
- Superior Durability: Constructed with high-quality materials, this thermostat is built to meet or exceed the original part's standards, delivering efficient cooling performance for years to come.

Your Cummins 6.7L engine is a workhorse, and like any high-performance machine, it needs precise temperature control to operate at its best. The Cummins 5627589 Coolant Thermostat (190 Degree) is more than just a replacement part; it's an essential component engineered to safeguard your engine's longevity and optimize its efficiency. This genuine OEM replacement ensures your 2007.5-2024 6.7L Cummins consistently runs at its ideal 190-degree operating temperature, preventing common issues like overheating and inconsistent performance.
Optimal Temperature Control: Designed to maintain a precise 190-degree operating temperature, this thermostat ensures your engine runs within its most efficient range, maximizing fuel economy and reducing wear.
Genuine OEM Quality: Built to stringent Cummins OEM specifications, you can trust this thermostat for reliable performance and a perfect fit, just like the original part.
Enhanced Engine Life: By providing accurate and consistent temperature regulation, it protects your engine from the damaging effects of temperature fluctuations, extending its lifespan.
Direct-Fit Installation: This kit includes the necessary seal and is eng[...]
- Optimal Temperature Control: Designed to maintain a precise 190-degree operating temperature, this thermostat ensures your engine runs within its most efficient range, maximizing fuel economy and reducing wear.
- Genuine OEM Quality: Built to stringent Cummins OEM specifications, you can trust this thermostat for reliable performance and a perfect fit, just like the original part.
- Enhanced Engine Life: By providing accurate and consistent temperature regulation, it protects your engine from the damaging effects of temperature fluctuations, extending its lifespan.
- Direct-Fit Installation: This kit includes the necessary seal and is engineered for a hassle-free, direct replacement, getting you back on the road quickly.
- Superior Durability: Constructed with high-quality materials, this thermostat is built to meet or exceed the original part's standards, delivering efficient cooling performance for years to come.