Fel-Pro 35999 Engine Water Pump O-Ring

Fel-Pro 35999 Engine Water Pump O-Ring

Fel-Pro 35999 is a premium black engine water pump O-ring built for sealing performance in Volkswagen cooling system applications. It is made for direct-fit service on select Volkswagen Golf, Jetta, EuroVan, Passat, and Corrado models.

Key Features

• Premium-grade black O-ring for engine water pump sealing
• Application-specific sealing material for a precise fit
• Supports 100% vehicle sealing when installed in the correct application
• Designed for Volkswagen cooling system service
• Part number 35999 for easy identification and ordering

Product Details

Fel-Pro 35999 is an engine water pump O-ring used to seal the water pump interface and help maintain cooling system integrity. Fel-Pro develops sealing components with vehicle-specific materials and dimensions so the seal matches the application requirements. This part is a direct service option for Volkswagen Golf, Jetta, EuroVan, Passat, and Corrado models across the listed years. This part cross-references MAHLE K31635 for the same application.

Common Uses

• Water pump seepage at the sealing surface
• Coolant loss from a worn or flattened O-ring
• Cooling system leaks after water pump service
• Seal replacement during Volkswagen water pump maintenance

Installation Notes

Clean the sealing surfaces before installation and inspect the water pump housing for corrosion, nicks, or debris. Verify the O-ring seats evenly in the groove and confirm the replacement matches the vehicle application before reassembly. For fitment, this part fits 1995-2005 Volkswagen Golf, 1994-2004 Volkswagen Jetta, 1999-2003 Volkswagen EuroVan, 1997 Volkswagen EuroVan, 1993-1997 Volkswagen Passat, and 1992-1995 Volkswagen Corrado.

Quality Assurance

Fel-Pro sealing products are built around application-specific materials and vehicle-focused sealing design to support professional repair standards. Part number 35999 is intended for the listed Volkswagen applications and is identified by the Fel-Pro brand for catalog and service reference.