Description
Description
Fits
| Year | Make | Model |
| 2001-2005 | GMC | Sierra 3500 |
| 2001-2005 | Chevrolet | Silverado 2500 HD |
| 2001-2005 | GMC | Sierra 2500 HD |
| 2001-2005 | Chevrolet | Silverado 3500 |
This Thermostat housing is to be used when running an aftermarket turbocharger with no cooling provisions. Many of the Duramax coolant lines are routed in a way that makes it difficult to upgrade turbochargers or other performance accessories. Now there is a solution for many of those issues. The all-new billet thermostat housing and tube kit eliminates the factory coolant hose that crosses over the driver-side valve cover. This makes for more room for aftermarket turbo systems and fuel components.
Part Number: 040-HSP
Features
- CNC Machined Billet Aluminum thermostat upper housing
- Allows for added room for aftermarket turbochargers
- Easier access to fuel system components on drivers side valve cover
- Powder-coated hard tube for an appealing engine bay
- Reinforced silicone boots and hard tube add strength over the factory rubber hose
- Allows room for dual CP3 pump kits
Includes:
- 1x Thermostat Housing O-Ring
- 3x M6 x 1.0 x 35mm Flange Bolts
- 6x M6 Fender Washer
- 3x M6 Nylon Lock Nuts
- 4x M8 x 1.25-25mm Socket Cap bolt
- 4x M6 x 1.0-18mm Socket Cap bolt
- 1x 1.75″ x 3″ Straight Boot (437-RFAB)
- 1x 1.75″ x 90° Boot (433-RFAB)
- 4x 1 3/4″ Worm Gear Clamps (408-RFAB)
Notes
- LB7: 01-04 VIN Code 1
- LLY: 04.5-05 VIN Code 2
- Engine code is dictated by the 8th character of the VIN number. The 10th character is the year of the truck.
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