Standard Ignition CP3661 Vapor Canister

OE Vapor Canister for EVAP Repair

Standard Ignition CP3661 is a direct-fit fuel vapor canister for evaporative emission system service. It is built with a black housing, charcoal filter media, and OE-style connectors to support a clean replacement on select Chevrolet Equinox and GMC Terrain applications.

• Direct-fit vapor canister for evaporative system repair
• Black finish with charcoal filter element included
• Round and square connector shapes with female connector gender
• 3/8 in. and 5/8 in. hose sizes for OE-style routing
• 3 ports, 2 male blade terminals
• Standard Ignition CP3661 for select GM fitments

Application Details

Standard Ignition CP3661 is engineered as an OE replacement fuel vapor canister for emission control service. It is used on 2018-2020 Chevrolet Equinox, 1st Design; 2021 Chevrolet Equinox; 2018-2020 GMC Terrain, 1st Design; and 2021 GMC Terrain. This part cross-references 84135832 and CP1825 for the same application.

What It Helps Fix

• EVAP system leaks that trigger emission-related fault codes
• Fuel vapor storage issues caused by a saturated or damaged canister
• Check engine lights related to evaporative emissions performance
• Fuel vapor odor from a compromised charcoal canister assembly
• Driveability concerns tied to improper vapor containment

Installation Notes and Tips

Verify hose size, connector style, and port layout against the original unit before installation. Confirm the vehicle’s design revision, since this part is listed for 1st Design Equinox and Terrain applications in the covered model years. Use the OE routing and connection points to help ensure proper EVAP system sealing.

Quality Assurance

Standard Ignition builds this vapor canister with professional-grade materials and OE-style construction for direct replacement service. The design reflects long-term product development focused on technician needs and consistent fitment.