Dorman 994-468 Vapor Canister

Overview of the Dorman Vapor Canister 994-468

The Dorman Vapor Canister 994-468 is designed to support the evaporative emission control system in select Buick, Chevrolet, and Pontiac vehicles. This vapor canister helps reduce harmful fuel vapors from escaping into the atmosphere, maintaining compliance with emission standards.

• Compatible with Buick Allure and LaCrosse models
• Fits Chevrolet Impala, Impala Limited, and Monte Carlo vehicles
• Also designed for Pontiac Grand Prix
• Constructed with durable black plastic housing
• Includes charcoal filter elements for effective vapor absorption
• Features three ports with varying outside diameters for precise fitment
• Part number 994-468 ensures exact replacement

Detailed Product Features and Specifications

The Dorman 994-468 vapor canister features a robust plastic housing finished in black, designed to withstand under-hood conditions. It contains charcoal filter elements that absorb fuel vapors, preventing them from escaping into the environment. The canister includes three ports with outside diameters measuring approximately 16.12 mm, 16.77 mm, and 9.58 mm, allowing for proper connection to the vehicle’s evaporative system. Inside diameters of 0.268 inches and 0.512 inches accommodate vapor flow and filtration. This part does not include mounting hardware or connectors, so ensure compatibility with your vehicle’s existing setup before installation.

Applications and Common Issues Addressed

• Prevents fuel vapor leaks that can trigger the check engine light
• Helps maintain proper fuel system pressure and vapor recovery
• Reduces evaporative emissions to comply with environmental regulations
• Resolves issues related to failed or clogged vapor canisters
• Improves overall fuel efficiency by capturing fuel vapors

Installation Notes and Tips

When installing the Dorman 994-468 vapor canister, verify that the port sizes match your vehicle’s evaporative system hoses. Since mounting hardware is not included, reuse existing brackets or hardware if in good condition. Handle the charcoal filter elements carefully to avoid damage. This vapor canister is compatible with Buick Allure and LaCrosse, Chevrolet Impala, Impala Limited, Monte Carlo, and Pontiac Grand Prix models. Consult your vehicle’s service manual for specific installation procedures and torque specifications.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 994-468 vapor canister undergoes quality checks to ensure durability and performance in emission control applications. Please refer to Dorman’s warranty policy for coverage details on this part.