Seal Kit

Features:

• Specifically designed for LML Duramax engines
• Fits 2011-2016 Silverado and Sierra HD models
• Restores proper fuel system sealing
• Prevents leaks and fuel system failures
• OEM-quality materials for long-lasting durability
• Engineered to handle high-pressure diesel systems
• Essential for fuel injector maintenance or rebuilds
• Developed by experts in diesel fuel systems
• Thoroughly tested using OE-level equipment
• Built for both stock and modified applications
• Helps resolve hard starts and rough idle issues
• Supports proper fuel system function and reliability

Fix The Small Details That Protect The Whole Engine

Fuel system issues on an LML Duramax often start small, and worn or damaged seals are a perfect example. The Exergy E05-10501 Seal Kit is designed to restore confidence in your fuel system by addressing those critical sealing points that are easy to overlook. If you are chasing a rough idle, hard starts, or unexplained fuel odors, this kit helps eliminate the guesswork. Built specifically for 2011-2016 Silverado and Sierra 2500HD and 3500HD trucks, it delivers the proper fit and material quality your engine expects. Exergy brings OE-level knowledge to every component, which means these seals are designed to last, not just get you back on the road. This kit is ideal whether you are refreshing a high-mileage truck or reassembling components during a larger repair. When everything seals correctly, the entire fuel system works smoother and your Duramax rewards you with reliable performance.

OE Level Sealing Backed By Proven Fuel System Expertise

The E05-10501 Seal Kit is engineered with the same development mindset used in original equipment diesel fuel systems. Exergy leverages its background in fuel injection manufacturing to ensure each seal meets precise dimensional and material specifications. These seals are designed to withstand the extreme pressures found in modern common rail diesel systems without degrading over time. Unlike generic kits, this set is validated using specialized test equipment that evaluates real-world performance characteristics beyond basic fuel flow. That level of verification helps ensure consistent sealing, proper pressure retention, and long-term durability. The kit is well suited for both stock trucks and modified builds where fuel system reliability is even more critical. For owners who want repairs done right the first time, this seal kit delivers confidence through proven engineering and testing.

Fitment: 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Designed specifically for 2011-2016 LML Duramax engines
• Not a universal kit, meant for direct LML fitment
• Developed by Exergy with OE manufacturing background
• Ideal for injector servicing or complete fuel system rebuilds
• Helps address common issues like hard starts and rough idle
• Tested using advanced calibration and validation equipment
• Engineered for high-pressure common rail fuel systems
• Meets strict quality standards for durability and sealing
• Supports both stock and performance-modified applications
• Installation should be paired with proper cleaning and inspection