Dorman 911-446 Vapor Canister

Dorman 911-446 Vapor Canister for Toyota Corolla

Dorman 911-446 is a vapor canister built to match the original evaporative emissions canister used on select Toyota Corolla and Corolla iM models. It restores the evaporative system’s ability to capture fuel vapors and support proper emissions control.

• OE-style vapor canister for evaporative emissions repair
• Charcoal filter element included for vapor storage and release control
• Plastic housing with black finish
• Includes leak detection pump and mounting brackets
• Female rectangular connector with 7 male terminals
• 3-port design with 19 mm and 8.5 mm port diameters

Detailed Product Overview

This Dorman vapor canister is engineered for direct replacement use on 2014-2019 Toyota Corolla and 2017-2018 Toyota Corolla iM applications. The canister is designed around the original equipment layout to help restore evaporative emissions function, including fuel vapor storage and controlled purge operation. Part number 911-446 is a practical choice when the factory canister housing, internal charcoal media, or related evap components have failed.

Built with a plastic housing and charcoal filter element, this assembly follows the OE-style configuration for the Toyota Corolla platform. The package contents include a vapor canister, leak detection pump, and mounting brackets, supporting a complete repair of the evaporative system assembly. This part cross-references Standard Ignition CP3503 for the same application.

What It Helps Fix

• Evaporative emissions fault codes related to vapor storage or leak detection
• Fuel vapor odor caused by a damaged or saturated canister
• Check engine light concerns tied to evap system performance
• Failed emissions inspection results linked to evaporative system issues
• Cracked, leaking, or deteriorated canister housing on Toyota Corolla and Corolla iM models

Installation Notes and Tips

Verify connector style, terminal count, and port sizes before installation. The canister uses a rectangular female connector with 7 male terminals and three ports, so matching the OE routing is important during replacement. Confirm the vehicle application by year and model: Fits 2014-2019 Toyota Corolla, N/A; Fits 2017-2018 Toyota Corolla iM, N/A. Part number 911-446 should be installed with attention to evap hose routing and leak detection pump connections.

Quality Assurance

Dorman manufactures this vapor canister to match original equipment fit and function on the listed Toyota applications. The design is intended to restore emissions control performance using OE-style materials and configuration.