SunCoast T116002ASC Complete Gasket Overhaul Kit | 2001-2017 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features:

• Fits 2001–2017 Silverado and Sierra HD models
• Made for 6.6L Duramax transmission rebuilds
• Complete gasket and seal overhaul kit
• All components meet or exceed OEM standards
• Designed for stock or high-performance builds
• Precision fit for easy and secure installation
• Heat resistant materials for long-lasting durability
• Helps prevent transmission leaks and pressure loss
• Trusted by professional transmission builders
• Supports smoother shifting and optimal performance
• Manufactured by Seal Aftermarket Products experts
• Backed by SunCoast’s proven transmission reliability

Give Your Duramax The Fresh Start It Deserves

If your 6.6L Duramax is ready for a transmission overhaul, the SunCoast T116002ASC Gasket Kit gives you everything you need to do the job right the first time. This complete kit is built for 2001 to 2017 GM Silverado and Sierra 2500HD and 3500HD models, so there’s no second-guessing compatibility. Whether you're dealing with leaks, worn seals, or just bringing life back to a hardworking truck, this kit delivers premium materials and a trusted fit that holds up under pressure. It's perfect for both daily drivers and performance builds, giving you confidence whether you're towing, hauling, or just putting in miles. Backed by SunCoast’s reputation and built by Seal Aftermarket Products, every component is selected for real-world reliability. You won’t need to chase down individual parts or worry about missing pieces—it’s all here in one box, ready to install. If you’ve got the time and tools, this kit takes the guesswork out of your transmission rebuild and puts you back in control.

Engineered For Durability Precision And Lasting Performance

The SunCoast T116002ASC Complete Gasket Overhaul Kit is built for serious builders and technicians who expect tight tolerances, consistent performance, and long-term durability from their transmission components. Designed specifically for the 6.6L Duramax engine in 2001 to 2017 GM HD trucks, this kit includes all the gaskets and seals required for a full transmission rebuild. Each piece is manufactured to meet or exceed OEM specifications, ensuring the entire system seals properly and functions under high stress and heat. The materials used in this kit are engineered for resistance to fluid breakdown and pressure loss, helping you maintain clutch pack integrity and line pressure. Whether you’re refreshing a stock build or prepping for higher horsepower, this kit offers the flexibility and reliability to support your goals. Professional builders appreciate the precise fit, which reduces installation time and improves sealing performance right out of the box. Backed by the combined expertise of SunCoast and Seal Aftermarket Products, this kit represents a no-compromise solution for a cleaner, tighter, and more dependable rebuild.

Fits: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Notes:

• Designed for 2001–2017 GM Silverado and Sierra HD trucks
• Compatible with 6.6L Duramax engine transmissions
• Intended for full transmission rebuild applications
• Includes all required gaskets and seals in one kit
• Components are engineered to OEM specification standards
• Professional installation is recommended for best results
• Not a universal fit—verify vehicle and transmission compatibility
• Suitable for both stock and performance transmission builds
• Manufactured by Seal Aftermarket Products
• Supported by SunCoast's technical expertise and quality control