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Review on πŸ”§ High-Quality GM Genuine Parts 97223686 Engine Coolant Thermostat Housing Gasket for Optimal Performance by Richard Alemayehu

Revainrating 2 out of 5

Obviously not for Duramax engines!

Not exactly sure where this thermostat housing goes, but it's too small for my Duramax truck. Revane points out that this is the right part, but it isn't. It really doesn't matter because on these engines the thermostats (yes there are two of them) have an o-ring around them that seals everything. For the price I don't dare send it back.

Pros
  • Manufactured to GM OE specification for fit, form and function
Cons
  • The list goes on.