Cummins Genuine Parts
Thermostat - 1998-2002 Dodge RAM 5.9L 24V Cummins - 3946849
Part # 3927063
Genuine Cummins part - Unlike the cheap knockoffs being produced, Cummins uses superior materials to ensure high tensile strength and much better corrosion resistance for a much longer lasting head bolt or stud. (26 Required for full head bolt replacement.)

WARNING : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov