Dorman 264-728 PCV Valve Diaphragm

Dorman 264-728 PCV Valve Diaphragm

Dorman 264-728 is a PCV valve diaphragm for crankcase ventilation service on select Audi and Volkswagen applications. It is built to match the original diaphragm’s fit and function, with a material mix that includes rubber, plastic, and metal for dependable service in the emission control system.

Key Features

• Direct-fit PCV valve diaphragm for specified crankcase ventilation systems
• Engineered to match original fit and function
• Constructed with rubber, plastic, and metal materials
• 23 mm diameter and 2.97 mm thickness
• No spring included
• Package contents: 1 PCV valve diaphragm

Detailed Description

This Dorman PCV valve diaphragm, part number 264-728, is a replacement component for the crankcase ventilation system on select Audi A4, Audi A4 Quattro, Audi A3, Audi TT, Volkswagen Eos, Volkswagen GTI, Volkswagen Jetta, Volkswagen Passat, and Volkswagen Beetle models. It is designed to restore the diaphragm function used in the PCV assembly, helping maintain proper crankcase ventilation performance in vehicles that use this style of service part. This part number 264-728 is a practical OE-style replacement for drivers and technicians servicing emission control components on 2005-2009 Audi and Volkswagen vehicles.

This part cross-references Standard Ignition V607 for the same application.

What It Is Used For

• Replacing a torn or worn PCV diaphragm
• Addressing crankcase ventilation faults on Audi A4 and A4 Quattro models
• Servicing PCV-related issues on Volkswagen GTI, Jetta, Passat, and Beetle applications
• Restoring diaphragm sealing in the emission control system
• Repairing vacuum-related drivability concerns tied to PCV diaphragm failure

Installation Notes and Tips

Verify the vehicle’s year, engine configuration, and VIN break notes before ordering. Fits 2005 Audi A4 and Audi A4 Quattro from 12/16/2005; fits 2006 Volkswagen Jetta from VIN 1K-6-687 686; fits 2007 Volkswagen Passat from VIN 3C-7P000001. Confirm the diaphragm dimensions and compare the original part before installation. Clean the mating surfaces and inspect the surrounding PCV housing for wear or damage during service.

Quality Assurance

Dorman designs this diaphragm to match original fit and function for the specified vehicles, with materials selected for durability and reliable performance in crankcase ventilation service.