Refurbished Thermostat Housings

Quadstar Tuning LLC

  • $165.00


We have a few various refurbished thermostat crossover housings available as replacement items for these parts that are NLA from GM.  All of these are originally from 6.5 turbo motors but can be used on any year 6.2 or 6.5 in various applications.

These were all glass bead blasted and gasket surfaces are 100% clean. Ready for paint or immediate use.

  • 1993-1995 single thermostat, front facing exit
    • #23500374
  • 1996 specific single thermostat with rear facing exit
    • #12551519
  • 1997+ dual thermostat with rear facing exit
    • #12553405

Bolts for the thermostat outlets are included but not pictured. Heater hose fittings are removed to ensure there are no cracks and the threads are good.  Use caution during assembly as to not crack the housings by over-tightening.


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