Dorman 994-058 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 994-058

The Dorman Vapor Canister Purge Valve 994-058 is designed to regulate fuel vapor flow in the evaporative emission control system. This component is compatible with select Chrysler, Dodge, and Jeep models, including the 300, Challenger, Charger, Durango, Grand Cherokee, and Grand Cherokee L.

• Connector hose inside diameters: 11.2 mm and 12.7 mm
• Two ports with outside diameters of 11.2 mm and 12.7 mm
• Plastic housing for durability and corrosion resistance
• Blade-type terminals with two male terminals
• Single female rectangular connector
• Length of 104.1 mm for precise fitment
• No vacuum ports or mounting holes included

Detailed Product Description

The Dorman 994-058 vapor canister purge valve is engineered to control the flow of fuel vapors from the charcoal canister to the intake manifold. Its plastic housing ensures resistance to heat and chemical exposure common in the engine bay. The valve features two ports with specific inside and outside diameters (11.2 mm and 12.7 mm) to match OEM specifications, ensuring a secure and leak-free connection. The blade-type terminals with two male terminals and a single female rectangular connector provide reliable electrical connectivity. Measuring 104.1 mm in length, this valve is designed for direct replacement in compatible Chrysler, Dodge, and Jeep vehicles.

Common Applications and Issues Addressed

• Helps prevent fuel vapor leaks that can trigger the check engine light
• Resolves rough idle or engine hesitation caused by faulty purge valve operation
• Reduces evaporative emissions to comply with environmental regulations
• Eliminates fuel odor issues related to vapor canister malfunction
• Improves overall fuel system efficiency in Chrysler 300, Dodge Charger, Jeep Grand Cherokee, and related models

Installation Notes and Tips

When installing the Dorman 994-058 purge valve, ensure the connector hose diameters (11.2 mm and 12.7 mm) match the vehicle’s existing hoses for a proper seal. The valve’s plastic housing should be positioned away from excessive heat sources to prolong service life. Confirm the blade terminal connections are secure and free of corrosion. This part does not include mounting hardware, so reuse existing brackets or fasteners as needed. Always verify compatibility with your specific Chrysler, Dodge, or Jeep model before installation.

Quality Assurance and Warranty

Dorman manufactures the 994-058 vapor canister purge valve to meet or exceed OEM standards for fit, form, and function. The plastic housing and electrical connectors are designed for durability under typical operating conditions. While specific warranty details are not provided here, Dorman products generally come with a limited warranty covering defects in materials and workmanship. Consult the product packaging or Dorman’s official resources for exact warranty terms.