Optimize engine performance with the 5256423 Thermostat designed for Cummins ISDE, ISBE, ISB, and QSB models. Replace the OEM parts 4929642, 3974823, 3973834 for reliable temperature control.
compatible:5292708 4929642 3974823 3973834
Condition:New / OEM Quality
Free worldwide shipping · 3–15 days.png){kind=icon}
