Dorman 911-638 Vapor Canister

Dorman 911-638 Vapor Canister for Toyota and Lexus

Dorman 911-638 is a replacement vapor canister for evaporative emissions systems on select Toyota and Lexus vehicles. It is built to match the original equipment canister shape and function, helping restore proper EVAP system operation on 1996-1998 Toyota Camry and 1997-1998 Lexus ES300 applications.

Key Features

• OE-style vapor canister for evaporative emissions control
• Carbon filter element for vapor storage and purge management
• Black plastic housing for a factory-style fit and appearance
• Four-port design with 0.425 in. port outside diameter
• 9 in. length and 0.5 in. inside diameter
• Direct replacement part number 911-638 for select Toyota Camry and Lexus ES300 models

Detailed Description

This Dorman vapor canister is engineered to replace the original evaporative emissions canister on specific Toyota Camry and Lexus ES300 vehicles. The carbon media stores fuel vapors from the EVAP system until they are routed back into the engine for combustion, helping the vehicle maintain emissions-system function. Part number 911-638 is a practical OE-style replacement when the original canister is cracked, saturated, or no longer performing as intended. This part cross-references Standard Ignition CP3499 for the same application.

What It Helps Fix

• Check engine light concerns related to EVAP system faults
• Fuel vapor leaks caused by a damaged canister housing
• Fuel odor issues from a saturated or failing vapor canister
• Emissions test failures tied to evaporative system performance
• Restoration of vapor storage and purge control on Toyota Camry and Lexus ES300 models

Installation Notes and Tips

Verify port count, port diameter, and mounting location against the original unit before installation. This vapor canister does not include mounting hardware or filter elements. Confirm the vehicle’s EVAP hoses and connectors are in good condition, and inspect related purge and vent components when replacing Dorman 911-638.

Quality Assurance

Dorman manufactures this vapor canister to match the original equipment evap canister on select vehicle years, makes, and models, with the goal of restoring emissions controls to factory-style operation. Fitment includes 1996-1998 Toyota Camry and 1997-1998 Lexus ES300.