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Mr. Gasket Thermostat - 180 Degree

These thermostats are compatible with 2004-2008 GM LS2/LS7 engines that utilize a separate thermostat and water neck.

PART# 6368

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"Fully compatible with 2004-'08 LS Series engines with a separate thermostat and water neck, they open at 180 degrees every time, regardless of engine rpm, and their high-flow design and brass and copper construction eliminate the damaging effects of cycling when you're stuck in stop-and-go traffic.


  • Fits GM LS Engines - 2004-'08 that Utilize Separate Thermostat and Water Neck
  • Includes Rubber O-Ring Seal
  • Incorporates Pressure Relief Valve


BrandMr. Gasket
Emission Code5
Product TypeThermostats
Part Number6368


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


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        Some parts are not legal for use in California or other states with similar regulations.