Dorman 994-022 Vapor Canister Purge Valve

Dorman 994-022 Vapor Canister Purge Valve

This Dorman vapor canister purge valve is a direct replacement for the original equipment valve used in the evaporative emissions system. It is built for a precise fit and plug-and-play installation on select Chevrolet, Pontiac, Oldsmobile, and Saturn applications, including Chevrolet Cavalier and Pontiac Sunfire models.

Key Features

• Direct replacement purge valve for the evaporative emissions system
• Engineered for a precise OE-style fit and electrical connection
• Plastic housing with an oval female connector and pin terminals
• Two-port design with 8 mm and 11 mm outside diameters
• Mounting points sized for the listed vehicle applications
• Supports emissions system function required for road use compliance

Detailed Description

The Dorman 994-022 vapor canister purge valve restores control of fuel vapor flow from the charcoal canister to the engine intake. Built as a direct OE replacement, it matches the original valve layout for select 2002-2005 Chevrolet Cavalier, 2004-2005 Chevrolet Classic, 2002-2005 Pontiac Sunfire, 2003-2004 Oldsmobile Alero, 2003-2004 Pontiac Grand Am, and 2002-2003 Saturn Vue applications. This part cross-references GM and aftermarket numbers 12576498 and CP534 for the same application.

Key dimensions include a 112 mm overall length, 5.6 mm inlet inside diameter, 7.5 mm connector hose inside diameter, and mounting hole diameters of 8.6 mm and 6.4 mm. The valve uses a female oval connector with two male pin terminals, a plastic housing, and two ports for proper evaporative system routing. Search terms such as 2002-2005 Chevrolet Cavalier purge valve, 2004-2005 Chevrolet Classic vapor canister purge valve, and 2002-2005 Pontiac Sunfire EVAP purge valve match this application.

What It Helps Fix

• EVAP leak-related check engine light conditions
• Rough idle or hard starting caused by purge flow issues
• Fuel vapor control problems in the evaporative emissions system
• Failed emissions inspection results tied to purge valve faults
• Incorrect purge valve operation on the listed Chevrolet, Pontiac, Oldsmobile, and Saturn vehicles

Installation Notes and Tips

Verify connector shape, port sizes, and mounting hole spacing against the original valve before installation. This part is intended for the listed vehicles with bracketed applications where noted, including Chevrolet Cavalier, Chevrolet Classic, Pontiac Sunfire, Oldsmobile Alero, and Pontiac Grand Am. Confirm hose routing and electrical connector orientation during replacement to avoid EVAP system leaks or fault codes.

Quality Assurance

Dorman manufactures this purge valve as a direct-fit replacement for the original equipment part, with specifications matched to the evaporative emissions system requirements of the listed applications. It is built to restore proper purge-valve function and support emissions compliance on the covered vehicles.