Sealed Power HT-2279B Engine Valve Lifter

Hydraulic Roller Valve Lifter for GM V8 Engines

Sealed Power HT-2279B is a hydraulic roller engine valve lifter built for GM truck and van applications that use roller lifters. It is a direct-fit service part for a wide range of Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, Sierra 3500, and related models from 1996-2007.

Engineered with a hydraulic roller design, this lifter supports stable valve train operation in demanding street and work-truck use. Sealed Power HT-2279B is a practical choice when replacing worn lifters in compatible Chevrolet and GMC applications.

Key Features

• Hydraulic roller engine valve lifter design
• Built for GM valve train applications that use roller lifters
• Sealed Power part number HT-2279B
• Cross-references 2131777B and 17120060 for the same application
• Fits Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, Sierra 3500, and other listed GM models

Application Details

This lifter is used in compatible Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD engines, along with Chevrolet Avalanche 2500, Suburban 2500, Express 3500, and several heavy-duty C/K and Savana applications. It also covers 2007 Silverado 2500 HD Classic, Silverado 3500 Classic, Sierra 2500 HD Classic, and Sierra 3500 Classic models. The hydraulic roller design helps maintain proper valve train motion in engines originally equipped for roller lifters.

What It Helps Address

• Ticking or tapping noise from a worn valve lifter
• Inconsistent valve train operation in roller-lifter GM engines
• Loss of proper lifter function from wear or contamination
• Service replacement needs during engine repair or rebuild work
• Restoration of correct lifter operation in listed Chevrolet and GMC applications

Installation Notes and Tips

Verify engine code, original lifter style, and vehicle application before installation. This part is listed for vehicles with roller lifters, so confirm the engine uses a hydraulic roller setup before ordering. Follow factory service procedures for inspection, cleaning, and valve train setup during replacement.

Quality Assurance

Sealed Power states that its parts use modern designs, advanced materials, and ISO- and QS-certified manufacturing processes to meet the demands of current engines. That manufacturing focus supports consistent fit and function for HT-2279B in the listed GM applications.