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The stock oil cooler thermostats don’t fully open until 230F, these thermostats allow them to open at 180F.  This combined with a thicker weight oil such as 10w-30 and running premix can double the life of the motor. These are a direct replacement for the OEM thermostats in the OEM oil coolers. Depending on what model rx8 you have, you may need 1 or 2 of these, and are sold individually.

Oil cooler thermostat

SKU: 15999-AM001
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