Fel-Pro 35641 Engine Water Pump O-Ring

Fel-Pro 35641 Engine Water Pump O-Ring

Fel-Pro 35641 is a premium engine water pump O-ring built for sealing performance in cooling system service. It uses application-specific materials to help maintain a tight seal where the water pump interfaces with the engine, making it a direct-fit sealing solution for select Dodge Ram 2500 and Ram 3500 trucks.

Key Features

• Premium-grade O-ring for engine water pump sealing
• Application-specific material selection for the intended cooling system use
• Engineered for 100% vehicle sealing performance in the correct application
• Direct replacement for select 1994-2003 Dodge Ram 2500 and Ram 3500 models
• Fel-Pro part number 35641 for easy identification

Detailed Description

Fel-Pro 35641 is an engine water pump O-ring designed for sealing service on select Dodge Ram 2500 and Dodge Ram 3500 applications from 1994-2003. As a premium sealing component, it is built to help maintain proper coolant containment at the water pump interface, where material choice and seal integrity matter. This part cross-references MAHLE K31475 for the same application. If you are searching for a Fel-Pro 35641 water pump O-ring for Dodge Ram 2500 or Ram 3500 cooling system repair, this part provides the correct OE-style sealing solution for the listed vehicles.

What It Helps Address

• Coolant seepage at the water pump sealing surface
• Loss of seal integrity during water pump service
• Cooling system leaks related to a worn or damaged O-ring
• Repeat repairs caused by an incorrect sealing material
• Fitment issues when replacing the water pump seal on 1994-2003 Dodge Ram 2500 and Ram 3500 trucks

Installation Notes and Tips

Inspect the sealing groove and mating surfaces before installation. Remove all old gasket material, corrosion, and debris so the new O-ring can seat evenly. Verify the application by year, make, and model before ordering; this Fel-Pro 35641 part is listed for 1994-2003 Dodge Ram 2500 and 1994-2003 Dodge Ram 3500. For best results, follow the vehicle service procedure for water pump sealing and coolant refill.

Quality Assurance

Fel-Pro gaskets are known for application-specific sealing materials and vehicle-focused fitment. The 35641 O-ring reflects that sealing-system approach for cooling system service on the listed Dodge Ram trucks.