Merchant 13939 Valve Guide Seal | 2001-2010 GM 2500HD/3500HD 6.6L Duramax

Features:

• Designed for 6.6L Duramax engines
• Includes 32 valve guide seals per kit
• May receive red or blue seals
• Ensures proper valve stem sealing
• Helps prevent oil leaks into combustion chamber
• Restores factory performance and reliability
• High-quality construction for long service life
• Ideal for rebuilds or cylinder head service
• Direct replacement for worn factory seals

Protect Your Duramax with Fresh Valve Guide Seals

When it’s time for a top-end rebuild or you're addressing cylinder head work on your 2001–2010 GM 2500HD or 3500HD 6.6L Duramax, don’t overlook the importance of replacing the valve guide seals. The Merchant 13939 Valve Guide Seal Kit includes a full set of 32 seals, giving you everything you need to restore proper sealing between the valve stem and the guide. Whether you receive the red or blue version, both are built to high standards to ensure reliable oil control and long-lasting performance. Fresh seals are key to preventing oil from sneaking past into the combustion chamber, which can lead to blue smoke, oil consumption, and reduced engine efficiency over time.

Built for Durability and Engine Longevity

Merchant's valve guide seals are designed to handle the high-heat, high-stress environment inside a Duramax engine. Whether you’re getting your truck ready for heavy towing, daily driving, or just extending its service life after years of hard use, replacing worn seals helps maintain the proper balance of oil lubrication without flooding the valve seats. These seals install just like the factory originals, making them a must-have upgrade when refreshing your cylinder heads. If you're committed to doing the job right the first time and want to make sure your Duramax stays strong and reliable, this Merchant kit is a simple but critical part of the process.

Fits: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 GM 2500HD/3500HD 6.6L Duramax