Upgrade Your Duramax with HSP Diesel’s Billet Thermostat Housing

If you're looking to maximize the potential of your Chevy or GMC Duramax engine, the HSP Diesel 040-HSP-O Billet Thermostat Housing is a must-have for your aftermarket turbo setup. Designed specifically for those running aftermarket turbochargers in the valley without cooling provisions, this thermostat housing is engineered to enhance your engine's performance and ease of installation.

Why Choose HSP Diesel?

Many Duramax owners know the frustration of factory coolant lines cramping their style when upgrading turbochargers or other performance accessories. HSP Diesel has tackled this challenge head-on with their innovative design. By eliminating the factory coolant hose that crosses over the driver side valve cover, this billet thermostat housing creates much-needed space for aftermarket turbo systems and fuel components.

Fitment

This thermostat housing is compatible with the following Duramax models:

• Chevrolet Silverado 2500 (LB7: 2001-2004, VIN Code 1)
• Chevrolet Silverado 2500 HD (LB7: 2001-2004, VIN Code 1)
• Chevrolet Silverado 3500 (LB7: 2001-2004, VIN Code 1)
• GMC Sierra 1500 (LB7: 2001-2005)
• GMC Sierra 2500 HD (LB7: 2001-2004, VIN Code 1)
• GMC Sierra 3500 (LB7: 2001-2005)

How to Identify Your VIN Code

• The engine code is determined by the 8th character of your VIN number.
• The model year is identified by the 10th character.

Included Components

This kit comes complete with everything you need for a straightforward installation:

• 1x Thermostat Housing O-Ring
• 3x M6 x 1.0 x 35mm Flange Bolts
• 6x M6 Fender Washers
• 3x M6 Nylon Lock Nuts
• 4x M8 x 1.25-25mm Socket Cap Bolts
• 4x M6 x 1.0-18mm Socket Cap Bolts
• 1x 1.75 inch x 3 inch Straight Boot (437-RFAB)
• 1x 1.75 inch x 90 degree Boot (433-RFAB)
• 4x 1 3/4 inch Worm Gear Clamps (408-RFAB)

Real-World Installation Insights

Duramax owners have reported that installing the HSP Diesel thermostat housing has significantly improved their engine bay's accessibility, allowing for easier upgrades to turbo systems without the hassle of factory coolant hose interference. For instance, one Silverado 2500 owner noted, "After installing the HSP thermostat housing, I had ample space for my new turbo setup—no more cramped hoses or overheating issues!"

In summary, the HSP Diesel 040-HSP-O Billet Thermostat Housing is an essential upgrade for any Duramax owner looking to enhance their vehicle's performance and streamline their aftermarket modifications. With its robust design and thoughtful engineering, this thermostat housing is the perfect solution for those serious about their builds.