Join Our Email List

Sign up for our newsletter and receive monthly news and specials!

Your email address
Don't ask again
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)
2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)

2004 - 09 LS Thermostat Housing (-16 or -20 AN, Raw or Black)

Select Your Size
Select Your Finish

Running Braided Line for your cooling system? No problem with Billet Specialties Thermostat Housings for LS. Engineered to provide optimum coolant flow and provide leak-free precision attachment of your cooling lines at a great price.
 
Features: 
 
  • Precision Machined from 6061-T6 Billet Aluminum
  • Stainless hardware included.
  • Available in -16 and -20 sizes.
  • Machined or Black Anodized Finish.
  • Accepts OEM LS two-piece style thermostat and seal.
  • Includes O-Ring for use without a thermostat.
  • Includes 2- M6 X1.0 X 16mm stainless socket head cap screws for installation.
  • Made in the USA.
Fits:
  • Billet Specialties Tru Trac Systems 
  • GM LS series 2004-2009 water pumps that utilize a separate thermostat and water neck housing.
  • Edelbrock LS Water Pumps
  • For 1-1/2” Radiator Hose
The hole diameter in the pump will be 1.875-1.885" (1 - 7/8")

Requires use of the following thermostats:
AC Delco LS Thermostat P/N 1311056 and P/N 131169 thermostat seal 187 degrees
Gates Thermostat P/N 34812 (includes seal) 187 degrees
Stant Thermostat P/N 14948 (includes seal) 187 degrees

Will not fit early water pumps 97-03 that have a one piece thermostat housing. (thermostat is locked into housing with aluminum tabs on each side) The hole diameter in the pump is 2.052" (2 - 1/16") Installing this housing on older style pump will result in leaks.