Dorman 264-870 Engine Crankcase Vent Valve

Engine Crankcase Vent Valve for Audi Applications

Dorman 264-870 is an engine crankcase vent valve built to match the fit and function of the original valve on specified vehicles. It is a standard replacement part with a plastic construction, designed for durable, reliable crankcase ventilation performance in Audi PCV assembly applications.

For Audi S5, A5, A6, A7, A8 Quattro, Q7, and related Quattro applications, this Dorman 264-870 crankcase vent valve supports proper crankcase pressure control and helps maintain the ventilation path used by the PCV system. This part cross-references OE numbers such as 06E103547AE and 06E103547AH for the same application.

Key Features

• Direct-fit engine crankcase vent valve for specified Audi vehicles
• Standard replacement design for OE-style fit and function
• Plastic housing for application-specific durability
• Five-port design with two hose connectors
• Inlet diameter: 1 in; outside diameter: 2.1 in
• Mounting hole quantity: 13
• Dorman 264-870 for Audi PCV assembly service

Detailed Description

Dorman 264-870 is engineered as an engine crankcase vent valve replacement for select Audi models, including 2012-2017 Audi S5, 2015-2016 Audi A5, 2016 Audi A6, 2016 Audi A7, 2012-2016 Audi A8 Quattro, 2012-2016 Audi Q7, 2012-2015 Audi A6 Quattro, 2012-2015 Audi A7 Quattro, and 2012-2014 Audi A5 Quattro. It is designed to match the original valve’s fit and function, making it a practical choice for Audi PCV assembly repair and crankcase ventilation service. The part number 264-870 is commonly searched for Audi crankcase vent valve replacement needs.

What It Helps Address

• Crankcase ventilation valve failure
• Excess crankcase pressure from a worn PCV-related valve
• Vacuum leaks caused by a damaged vent valve housing
• Rough idle or drivability issues tied to crankcase ventilation faults
• Oil vapor control problems in the PCV assembly

Installation Notes and Tips

Verify the OE part number and vehicle application before installation. This valve is listed for specific Audi PCV assembly applications, so confirm the inlet diameter, port layout, and mounting-hole pattern match the original component. Inspect connected hoses and seals during service to ensure the crankcase ventilation system is restored correctly. Professional installation is recommended for Audi S5, A5, A6, A7, A8 Quattro, and Q7 applications.

Quality Assurance

Dorman designs this replacement valve to meet the fit and function of the original part on the listed vehicles. The standard replacement construction and application-specific dimensions support consistent service in crankcase ventilation repairs.