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Wehrli

Wehrli 01-05 GM Duramax LB7/LLY Thermostat Housing Kit - Flat Black

Manufacturer part number: WCF100405-FB

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CODE: WCFWCF100405-FB
$489.00
$474.33 Backorder — not currently in stock Sold out
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The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant routing to an upwards and forward layout from the thermostat, this kit improves access to driver side fuel system components, adds room for larger aftermarket turbochargers, and updates engine bay appearance. Compatible with Single and Dual CP3 Pump setups. Finished in your choice of custom powder coat colors.

  • Required for race cover style or SXE turbochargers being mounted in the valley
  • Includes coolant pipe, silicone boots, and t-bolt clamps
  • Replaces the following GM Part numbers:15792832,15198345
  • CNC Machined Billet Aluminum Thermostat Upper Housing
  • Compatible with factory VGT style turbochargers
  • Custom Single Stage Powder Coating
  • Made in USA

This Part Fits:

Year Make Model Submodel
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2005 Chevrolet Silverado 2500 HD LS
2001-2005 Chevrolet Silverado 2500 HD LT
2004-2005 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2005 Chevrolet Silverado 3500 LS
2001-2005 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2002-2005 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 2500 HD SL
2001-2005 GMC Sierra 2500 HD SLE
2001-2005 GMC Sierra 2500 HD SLT
2003-2005 GMC Sierra 2500 HD WT
2002-2005 GMC Sierra 3500 Base
2001-2002 GMC Sierra 3500 SL
2001-2005 GMC Sierra 3500 SLE
2001-2005 GMC Sierra 3500 SLT
2004-2005 GMC Sierra 3500 WT