Dorman 994-023 Vapor Canister Purge Valve

Dorman 994-023 Vapor Canister Purge Valve

Dorman 994-023 is a direct replacement vapor canister purge valve for the evaporative emissions system. It is engineered for a precise fit and plug-and-play installation, making it a practical OE-style solution for Nissan 350Z and 370Z, plus select INFINITI models.

Key Features

• Direct replacement purge valve for the evaporative emissions system
• Engineered for a proper fit and straightforward installation
• Metal and plastic housing construction
• 2-pin electrical connection with blade terminals
• Elliptical 2-connector design with female connector gender and male terminal gender
• Includes mounting hardware and mounting screws
• Cross-references Standard Ignition CP649 and CP739 for the same application

Product Details

This vapor canister purge valve helps control fuel vapor flow from the charcoal canister into the engine intake, supporting evaporative emissions system operation. Dorman 994-023 is built to match the original equipment purge valve form and connection style, with a 64.18 mm overall length, 6.5 mm inlet inside diameter, 7.77 mm port outside diameter, and 8 mm thread diameter. It is a direct-fit replacement for vehicles including the Nissan 350Z and 370Z, as well as INFINITI G37, Q50, Q60, Q70, Q70L, QX50, QX70, EX35, EX37, FX35, FX37, G25, G35, M35, M37, and Q40.

Common Issues This Part Can Address

• Check engine light related to evaporative emissions faults
• Fuel vapor control problems caused by a sticking or leaking purge valve
• Rough idle or drivability concerns tied to purge flow issues
• Fuel vapor odor from an EVAP system that is not sealing correctly
• Failed emissions inspection caused by purge valve malfunction

Installation Notes and Tips

Verify connector shape, port size, and mounting-hole spacing before installation. This valve uses a 2-terminal blade connection, 2 mount holes, and included mounting screws for a direct replacement setup. Confirm vehicle application by year and model before ordering, especially on Nissan 350Z and 370Z, and INFINITI G37, Q50, Q60, Q70, Q70L, QX50, QX70, EX35, EX37, FX35, FX37, G25, G35, M35, M37, and Q40 applications.

Quality Assurance

Dorman manufactures this purge valve as an OE-style replacement intended to meet government evaporative emissions requirements. Part number 994-023 is built for direct-fit service on the listed Nissan and INFINITI applications, with interchange references including Standard Ignition CP649 and CP739.