Fleece FPE-TURBO-THERM Turbo Thermostat Delete Plug | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features:

• Deletes factory turbo coolant feed line
• Enables use of non-water cooled turbos
• Provides clearance for larger intake setups
• CNC machined from 6061-T6 aluminum
• Precision fit for Duramax applications
• Includes o-ring for leak-free installation
• Ideal for custom or performance turbo swaps
• Helps simplify coolant routing
• Durable and corrosion-resistant material
• Supports upgraded airflow components
• Compact design for tight engine bays
• Made for 2001–2016 Duramax platforms

Clear The Way For Bigger Power Upgrades

If you're upgrading your turbo and trying to squeeze every inch of performance from your Duramax, the last thing you want is something small getting in your way. The Fleece FPE-TURBO-THERM Turbo Thermostat Delete Plug is a simple but essential part for anyone swapping to a non-water cooled turbocharger. It eliminates the stock coolant feed line, giving you more room and flexibility under the hood. That extra space can make all the difference when fitting larger intake plumbing or dealing with tight aftermarket setups. It’s a clean, reliable solution that helps simplify your build and cut down on unnecessary components. Plus, it installs easily and seals up tight thanks to the included o-ring, so you don’t have to worry about leaks or fitment issues. Whether you're in the middle of a full performance build or just making smart upgrades over time, this plug is a must-have for a clean and efficient install.

Engineered For Fitment Function And Long Term Reliability

The Fleece Performance Turbo Thermostat Delete Plug is CNC machined from 6061-T6 aluminum for precise fitment and lasting durability in high-heat, high-vibration environments. It's specifically designed for 2001-2016 GM Silverado and Sierra 2500HD/3500HD trucks running the 6.6L Duramax engine. This plug replaces the factory coolant feed line used with water-cooled turbochargers, allowing the use of non-water cooled units often found in high-performance or custom applications. By eliminating the coolant path, it helps simplify the overall cooling system and creates necessary clearance for larger intake components. The included o-ring seal provides a leak-free installation without needing messy sealants or adapters. This is particularly helpful when upgrading to bigger or aftermarket turbos where space is limited and every fitting matters. It’s a straightforward, no-nonsense part that plays a vital role in making sure everything fits and functions exactly how it should.

Fits: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Notes:

• Intended for use with non-water cooled turbochargers
• Eliminates the stock turbo coolant feed line
• Designed to increase clearance for larger intake plumbing
• Compatible with 2001–2016 GM 6.6L Duramax engines
• CNC machined from 6061-T6 aluminum for durability
• Includes o-ring for a leak-free installation
• Ideal for custom turbo setups or performance builds
• Not needed for factory water-cooled turbo systems
• Helps simplify the cooling system during upgrades
• Professional installation recommended for best results