Dorman 994-451 Vapor Canister

Dorman Vapor Canister 994-451

Dorman 994-451 is a replacement vapor canister for the evaporative emissions system, built to match the original equipment canister on select Ram and Dodge Ram trucks. It restores evaporative control function with OE-style fitment for vehicles that use the short wide canister design.

Key Features

• Direct replacement vapor canister for the evaporative system
• Matches the original equipment canister design on listed applications
• Plastic housing with black finish
• Filter element material: felt / polyurethane
• Three-port configuration with no connectors or terminals
• Length: 6.5 in
• Cross-reference part numbers include Standard Ignition CP3158 and OE-style numbers 4891567AA / 5147158AA

Detailed Description

This Dorman vapor canister is made for evaporative emissions service on 2004-2006 Dodge Ram 1500, 2007-2008 Dodge Ram 3500, 2007-2010 Dodge Ram 2500, and 2011 Ram 2500 applications with the short wide canister configuration. It is built to match the original equipment evap canister layout, helping restore proper fuel vapor storage and emissions-system operation on the specified Ram and Dodge Ram trucks. Dorman 994-451 uses a plastic housing, black finish, and integrated filter elements to support the evaporative system’s normal function.

What It Is Used For

• Replacing a cracked or damaged vapor canister
• Restoring evaporative emissions control on Ram and Dodge Ram trucks
• Addressing fuel vapor storage issues in the EVAP system
• Correcting emissions-related fault codes tied to canister performance
• Replacing an OE-style canister on short wide canister applications

Installation Notes and Tips

Verify the vehicle uses the short wide canister configuration before ordering. Confirm port layout, housing shape, and mounting location against the original part on the truck. This part has three ports, no mounting hardware included, and no connectors or terminals. Use the vehicle’s service information to inspect EVAP hoses and related components during replacement.

Quality Assurance

Dorman manufactures this vapor canister to match original equipment fit and function on the listed applications, supporting proper emissions-system restoration for Ram and Dodge Ram trucks.