Ilmor Thermostat Housing O-Ring

The Ilmor remote thermostat housing mounting o-ring offers application-specific materials to give you a sealing solution with the performance and durability you can trust.

This Thermostat Housing O-Ring is used with both the 170* and 190* thermostats from Ilmor. Replace this O-Ring every time you remove and replace your thermostat. Fits all 5.7L, 5.7L OPS, 6.0L, 6.0L OPS, 6.2L, and 6.2L OPS engines.

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