Standard Ignition CP3481 Vapor Canister

OE Vapor Canister for Escape and Mariner

Standard Ignition CP3481 is a direct-fit vapor canister for evaporative emission system service. It is built for pressurized fuel systems and includes an integrated check valve calibrated to the vehicle’s operating needs, helping maintain proper evaporative control on the 2005 Mercury Mariner, 2006 Ford Escape, 2006-2007 Mercury Mariner, and 2008 Mercury Mariner.

Key Features

• Direct-fit OE replacement for straightforward installation
• Integrated check valve with vehicle-specific operating pressure
• Designed for pressurized fuel systems
• Helps control evaporative fuel vapor loss to the environment
• Black finish with filter element included
• 2 hose connectors, 2 ports, and 9/16 in. hose size
• 24.9 in. overall length

Detailed Description

This Standard Ignition vapor canister, part number CP3481, is engineered for evaporative emissions repair where the original canister has failed or no longer seals correctly. The OE-style layout supports direct replacement on the 2005 Mercury Mariner, 2006 Ford Escape, 2006-2007 Mercury Mariner, and 2008 Mercury Mariner, with fitment coverage that matches the factory application. This part cross-references 5L8Z9D653BA and CP1616 for the same application.

By storing and managing fuel vapors from the evaporative system, CP3481 helps restore proper emissions control and system function. The integrated check valve and pressurized-fuel-system construction are important details for vehicles that rely on precise vapor routing and pressure control.

What It Helps Fix

• Check engine light related to evaporative emissions faults
• Fuel vapor leaks from a damaged or saturated canister
• Improper vapor storage in the EVAP system
• Failed emissions inspection caused by EVAP system issues
• Odor from fuel vapors around the vehicle

Installation Notes and Tips

Verify the canister shape and hose connection layout before installation, especially on round-body and round-canister applications. Confirm hose size, port count, and mounting location match the original unit before swapping in CP3481. For best results, inspect connected EVAP hoses and valves for cracks, blockage, or damage during service.

Quality Assurance

Standard Ignition manufactures this vapor canister as an OE replacement component with application-specific pressure control and integrated valve design for the listed Ford Escape and Mercury Mariner vehicles.