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93 Karma

Review on Gates 33644: The Ultimate Engine Coolant Thermostat Housing Gasket for Optimal Performance by Rick Kreutzer

Revainrating 1 out of 5

DO NOT BUY - Replacement parts

I bought two, both failed a few days after installation. The screw holes for the T-Stat case are just too big to clamp the case properly. I would tighten the thermostat housing bolts and the gasket would break. After those two gaskets failed I installed a Beck Arnley 039-0037 gasket which is holding up great. Mazda Miata 1991.

Pros
  • Free for educational purposes
Cons
  • unreliable