Driving Style Since 1985
LS Straight Thermostat Housing Enlarge View
LS Straight Thermostat Housing

LS Thermostat Housing Straight-Out


Billet Specialties LS Thermostat Housings,are precision machined from 6061-T6 Billet Aluminum and are available in two finishes. Select from Polished or Black Anodized finishes. read more >

Price: $41.95 - $46.95 each


  • 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


  • Precision Machined from 6061-T6 Billet Aluminum
  • Stainless Mounting Hardware
  • Works with LS style Thermostat and Seal (see below for part numbers)
  • Made in the USA
  • Includes 2- M6 X1.0 X 16mm stainless socket head cap screws for installation. 


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. 




If you need technical assistance with this product, please call Billet Specialties at 1-800-245-5382 or 1-708-588-0505. You may also send us an email with your questions by clicking HERE.

If you are in need of instructions for this product, please contact Billet Specialties at 1-800-245-5382 or click HERE to send us an email. Billet Specialties can provide instructions via email or fax. Thank you for choosing Billet Specialties products.