Mahle K33521 Engine Water Pump Gasket

Engine Water Pump Gasket for VW and Audi

Mahle K33521 is an engine water pump gasket built for sealing service on select Volkswagen and Audi applications. It supports a precise coolant seal for repairs involving the water pump and related cooling system components.

Key Features

• Engine water pump gasket for cooling system sealing
• Mahle gasket construction for OE-style fit and sealing performance
• Designed for select Volkswagen Jetta, Caddy, and Audi A3 / A3 Sportback e-tron applications
• Cross-references Audi 04C 121 119 and Volkswagen 04C 121 119 for the same application
• Part number K33521 for accurate ordering and service lookup

Product Details

Mahle K33521 is part of the Engine Water Pump Gasket line, a sealing-focused product line used in cooling system service. Mahle gaskets are trusted by OEMs and technicians for dependable sealing performance, and this gasket is intended for direct replacement use on listed Volkswagen and Audi vehicles. If you are servicing a Volkswagen Jetta water pump gasket or an Audi A3 engine coolant sealing repair, K33521 provides the correct application match for the vehicles shown below.

Compatible With: Fits 2019 Volkswagen Jetta, N/A; Fits 2018 Audi A3 Sportback e-tron, N/A; Fits 2017 Audi A3 Sportback e-tron, N/A; Fits 2016 Audi A3 Sportback e-tron, N/A; Fits 2013-2018 Volkswagen Jetta, N/A; Fits 2015-2017 Volkswagen Caddy, N/A; Fits 2013-2016 Audi A3, N/A.

Common Repair Uses

• Replacing a leaking or flattened water pump gasket
• Restoring coolant sealing during water pump service
• Addressing coolant seepage at the pump mounting surface
• Supporting a proper seal after thermostat or cooling system repair
• Servicing Volkswagen Jetta, Volkswagen Caddy, and Audi A3 cooling system components

Installation Notes

Clean the mating surfaces thoroughly before installation and verify the gasket seats evenly against the water pump and engine housing. For 2019 Volkswagen Jetta and 2017 Audi A3 Sportback e-tron applications, follow the note provided for Engine Coolant Thermostat Seal installation and use the included gasket from the set where specified by the service procedure.

Quality Assurance

Mahle manufactures sealing products used by OEMs and technicians worldwide, and this gasket is built to support accurate fitment on the listed Volkswagen and Audi applications. Part number K33521 helps confirm the correct replacement during cooling system service.