The Mopar 5139107AA Thermostat O Ring is a genuine part manufactured by Mopar in the United States. Specifically designed for 2005-2010 Chrysler 300, Charger, and Magnum vehicles with a 2.7L engine, this O ring ensures a secure seal for the thermostat, maintaining proper engine cooling system function. Made to the highest standards of quality and compatibility, this NOS (New Old Stock) product is a reliable choice for your car maintenance needs.
