Dorman 911-300 Vapor Canister

Reliable Vapor Canister for Buick, Chevrolet, Oldsmobile, and Pontiac

The Dorman 911-300 vapor canister is designed to support the evaporative emission control system in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This component helps reduce harmful fuel vapors from escaping into the atmosphere, maintaining compliance with emission standards.

• Length: 9.375 inches for precise fitment
• Inside and port outside diameter: 0.514 inches
• Charcoal filter element included for effective vapor absorption
• Three ports with 0.514-inch diameter for secure connections
• Durable black plastic housing for corrosion resistance
• Mounting hardware not included
• Package contains one vapor canister

Product Details and Specifications

The Dorman 911-300 vapor canister features a charcoal filter element that captures fuel vapors from the fuel tank, preventing them from entering the atmosphere. Its 9.375-inch length and 0.514-inch port diameters ensure compatibility with the evaporative systems of Buick Century, Chevrolet Impala, Oldsmobile Intrigue, Pontiac Grand Prix, Monte Carlo, and Regal models. The black plastic housing provides durability and resistance to environmental factors. This vapor canister includes three ports to connect with the vehicle’s evaporative system hoses, but mounting hardware is not included and should be sourced separately if needed.

Compatible Vehicles and Applications

This vapor canister is compatible with the following makes and models:

• Buick Century and Regal
• Chevrolet Impala and Monte Carlo
• Oldsmobile Intrigue
• Pontiac Grand Prix

Use the Dorman 911-300 vapor canister to address issues related to evaporative emission control in these vehicles.

Common Issues Addressed by This Vapor Canister

• Fuel vapor leaks causing increased emissions
• Check engine light triggered by evaporative system faults
• Failed emissions tests due to vapor canister malfunction
• Fuel odor around the vehicle from vapor leaks
• Reduced fuel efficiency linked to evaporative system problems

Installation Notes and Tips

Before installation, verify that the Dorman 911-300 vapor canister matches the original part dimensions and port configuration. Ensure all hoses are securely connected to the three ports with 0.514-inch diameters. Since mounting hardware is not included, retain or acquire appropriate brackets and fasteners. Follow vehicle-specific service manual instructions for safe removal and installation to avoid damage to the evaporative system components.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 911-300 vapor canister undergoes quality checks to ensure durability and performance in emission control applications. Warranty coverage details should be confirmed with the product documentation or supplier.