Fel-Pro 35635 Engine Water Pump Gasket

Fel-Pro 35635 Engine Water Pump Gasket

Fel-Pro 35635 is a premium engine water pump gasket built for applications that demand a precise seal at the water pump mounting surface. It uses application-specific sealing materials to help deliver consistent sealing performance on a wide range of GM trucks, SUVs, and performance vehicles, including Chevrolet Silverado, GMC Sierra, and Cadillac CTS applications.

Key Features

• Premium-grade engine water pump gasket for cooling system service
• Application-specific material selection for a proper sealing interface
• Designed for 100% vehicle sealing coverage at the water pump joint
• Mounting hole quantity: 3
• Fits a broad range of Chevrolet, GMC, Cadillac, Hummer, Pontiac, Saab, Buick, and Isuzu models

Detailed Description

Fel-Pro 35635 is an engine water pump gasket engineered for dependable sealing where the water pump meets the engine. The premium construction is intended to maintain a tight seal under cooling-system heat cycles and vibration, helping support long-term service on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade. This part number, 35635, is also used across many LS-based and GM truck applications where accurate gasket fitment matters.

This part cross-references MAHLE K31628 for the same application.

What It Is Used For

• Water pump gasket replacement during cooling system repair
• Sealing coolant leaks at the pump-to-engine mounting surface
• Restoring proper sealing after water pump service
• Addressing seepage that can lead to coolant loss or residue buildup
• Supporting maintenance on Chevrolet Silverado, GMC Sierra, and Cadillac CTS platforms

Installation Notes and Tips

Clean both mating surfaces thoroughly before installation and remove all old gasket material, sealant, and corrosion. Verify the water pump and engine surfaces are flat and undamaged, then align the gasket carefully with the 3-hole mounting pattern before tightening fasteners to the vehicle manufacturer’s torque specification. Confirm exact engine fitment by year, make, model, and engine configuration before ordering.

Compatible With 1999-2020 Chevrolet Silverado, GMC Sierra, Cadillac CTS, Chevrolet Camaro, Chevrolet Corvette, Chevrolet Tahoe, Chevrolet Suburban, Chevrolet Express, GMC Savana, Hummer H3, Pontiac G8, Saab 9-7x, Buick Rainier, and related GM applications listed in the fitment data.

Quality Assurance

Fel-Pro gaskets are built around application-specific sealing materials and vehicle-focused coverage to support reliable sealing performance in professional repair environments.