Standard Ignition CP433 Vapor Canister

Vapor Canister for GM Evaporative Systems

Standard Ignition CP433 is a vapor canister built for evaporative emission control service on select Chevrolet, GMC, and Hummer applications. It uses high-grade materials and professional construction to support precise operation in the EVAP system, with a filter element included for added service readiness.

Compatible with 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, 2006-2010 Hummer H3, and 2009-2010 Hummer H3T, this vapor canister is a direct-fit service part for common EVAP repair needs. The CP433 is also cross-referenced to Dorman OE Solutions 911-301 for the same application.

Key Features

• Standard Ignition CP433 vapor canister for evaporative emission control repair
• Male connector gender with 3 hose connectors and 3 ports
• Filter element included
• Hose sizes: 7/16 in. and 5/8 in.
• Length: 12.4 in.
• Built with high-grade materials for consistent fit and long service life

Detailed Description

The CP433 vapor canister stores fuel vapors from the EVAP system and routes them for proper purge control, helping maintain emissions-system function on the vehicle. Standard Ignition applies professional-grade construction and material selection to support accurate performance in demanding repair environments. This part number, CP433, is used across multiple GM platforms, including Chevrolet Colorado and GMC Canyon models, along with Hummer H3 and H3T applications.

This part cross-references Dorman OE Solutions 911-301 for the same application.

What It Helps Fix

• EVAP leak-related diagnostic trouble codes
• Fuel vapor storage and purge flow issues
• Check engine light concerns tied to evaporative emissions faults
• Damaged, saturated, or restricted vapor canister service needs
• Emissions-system performance problems on Colorado, Canyon, H3, and H3T models

Installation Notes and Tips

Verify hose size, connector style, and port layout before installation. Confirm vehicle fitment by year and model, especially on 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, 2006-2010 Hummer H3, and 2009-2010 Hummer H3T applications. Inspect EVAP hoses and related seals during replacement so the repaired system can hold vacuum and operate correctly.

Quality Assurance

Standard Ignition manufactures this vapor canister with high-grade materials and professional construction, backed by decades of research and development focused on technician needs. The CP433 is built for prolonged service life and stable EVAP performance in the listed GM applications.