Standard Ignition CP3725 Vapor Canister

Vapor Canister for GM EVAP Systems

Standard Ignition CP3725 is a vapor canister for the evaporative emission control system. It uses charcoal filter media and a black housing with 3 ports and no electrical connector, making it a direct-fit service part for select GM trucks and SUVs.

Compatible with Chevrolet Silverado 1500, Tahoe, GMC Sierra 1500, Yukon, and Cadillac Escalade applications across the listed model years, this vapor canister helps restore proper fuel vapor storage and routing in the EVAP system. Standard Ignition CP3725 is also referenced by part number CP3725 for replacement matching.

Key Features

• Charcoal filter media for vapor adsorption in the EVAP system
• Black finish housing
• 3-port design
• Filter element included
• No connector quantity listed
• Direct replacement format for select GM emission control applications

Detailed Description

This vapor canister is used in the evaporative emission control system to store fuel vapors and route them through the charcoal media until they can be purged by the vehicle’s EVAP controls. Standard Ignition CP3725 is built for select Chevrolet Silverado 1500, Tahoe, GMC Sierra 1500, Yukon, and Cadillac Escalade models, with fitment covering 2019-2024 applications shown in the catalog data. If you are replacing a saturated or damaged canister, CP3725 provides the correct port layout and charcoal filter construction for the listed vehicles.

This part cross-references 2-70585 and 84050713 for the same application.

What It Helps Address

• Fuel vapor storage issues in the evaporative emission system
• EVAP leak codes related to a saturated or restricted canister
• Fuel odor concerns caused by a damaged charcoal canister
• Improper vapor routing through the emission control system
• Check engine light conditions tied to EVAP faults

Installation Notes and Tips

Verify the vehicle’s EVAP plumbing, port count, and mounting points before installation. Compare the original canister to the new unit to confirm the 3-port layout and connector-free design match the application. After installation, clear diagnostic trouble codes and inspect the EVAP system for leaks if the vehicle previously set an emission fault.

Quality Assurance

Standard Ignition supplies emission control replacement parts for service applications, and CP3725 is cataloged with the specified charcoal media, port configuration, and vehicle fitment data for accurate replacement selection.