Dorman 263-137 Engine Crankcase Vent Valve

Engine Crankcase Vent Valve Overview

Dorman 263-137 is an engine crankcase vent valve built to match the original fit and function on select Audi applications. It is made from plastic and engineered for dependable crankcase ventilation performance in vehicles such as the Audi Q7, Audi A7 Quattro, and Audi A8 Quattro.

This Dorman 263-137 replacement is a standard replacement part for drivers servicing crankcase ventilation concerns on 2015-2019 Audi models. It is designed around the original valve layout, with a 1 in inlet diameter, 2.1 in outside diameter, five ports, and a 13-hole mounting pattern.

Key Features

• Direct replacement engine crankcase vent valve for select Audi vehicles
• Plastic construction for OE-style fit and function
• 1 in inlet diameter and 2.1 in outside diameter
• Five-port design with one hose connector assembly
• Standard replacement part for crankcase ventilation service
• Cross-reference part numbers include Rein ABH0262 and Standard Ignition EOS47

Detailed Description

The Dorman 263-137 crankcase vent valve is engineered to replace the original valve used in specified Audi crankcase ventilation systems. By matching the factory-style dimensions and port layout, it supports proper routing of crankcase vapors through the emission control system. This part is listed for 2017-2019 Audi Q7, 2016-2018 Audi A7 Quattro, and 2015-2018 Audi A8 Quattro applications. If you are searching for an Audi Q7 crankcase vent valve replacement or a Dorman 263-137 valve for an Audi A8 Quattro, this part is built for those exact vehicle ranges.

Common Issues This Part Can Address

• Cracked or leaking crankcase vent valve housing
• Rough idle caused by ventilation system leakage
• Oil vapor routing problems in the crankcase ventilation system
• Check engine light concerns related to crankcase ventilation faults
• Vacuum-related drivability issues tied to a worn vent valve

Installation Notes and Tips

Verify the inlet diameter, port count, and mounting-hole layout against the original valve before installation. Inspect connected hoses and seals for wear, since damaged lines can affect crankcase ventilation performance even after replacement. Confirm vehicle application by year, make, and model before ordering Dorman 263-137 for Audi Q7, Audi A7 Quattro, or Audi A8 Quattro service.

Quality Assurance

Dorman designs this valve as a direct-fit replacement engineered for durability and reliable performance. The part is built to match the original valve’s fit and function on the listed vehicles, supporting a straightforward OE-style repair.