Fel-Pro 35756 Engine Water Pump O-Ring

Fel-Pro 35756 Engine Water Pump O-Ring

Fel-Pro 35756 is an engine water pump O-ring built for sealing service on a wide range of GM trucks, vans, and Hummer applications. It uses application-specific materials to support a tight seal where the water pump interfaces with the engine cooling system.

Key Features

• Engine water pump O-ring for cooling system sealing
• Application-specific material selection for the listed vehicles
• Supports 100% vehicle sealing when installed on the correct application
• Direct replacement style for service work on Chevrolet, GMC, and Hummer models
• Part number 35756 for easy identification

Detailed Description

Fel-Pro 35756 is an O-ring used in engine water pump sealing applications. It is engineered for the fitment listed below and is a practical choice for service on Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, GMC Sierra 3500 HD, Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, GMC Savana 3500, and 2006 Hummer H1 models. Fel-Pro focuses on sealing solutions that match the application, helping maintain proper coolant containment at the water pump interface.

This part cross-references MAHLE K31904 for the same application.

What It Is Used For

• Water pump coolant seepage at the sealing surface
• Coolant loss around the pump-to-engine interface
• Sealing wear from age, heat, and coolant exposure
• Service replacement during water pump maintenance
• Leak repair on Chevrolet Silverado, GMC Sierra, and Express van cooling systems

Installation Notes and Tips

Clean the sealing surfaces thoroughly before installation and inspect the water pump and mating surfaces for corrosion, pitting, or debris. Verify the part number against the vehicle application before assembly. For best results, follow the vehicle service procedure and coolant system specifications for the listed Chevrolet, GMC, and Hummer applications.

Quality Assurance

Fel-Pro gaskets are built around application-specific sealing materials and are trusted by professional technicians for sealing performance and durability in automotive repair.