Standard Ignition CP3638 Vapor Canister

OE Vapor Canister for California Emissions

Standard Ignition CP3638 is a direct-fit vapor canister for evaporative emissions repair on select Chevrolet and Cadillac applications. It is built to match OE fit, form, and function, with an integrated check valve and pressure calibration matched to the vehicle’s fuel system requirements.

Compatible With 2014 Cadillac XTS, 2015 Chevrolet Impala, 2015 Chevrolet Malibu, and 2016 Chevrolet Malibu Limited equipped with California emissions.

Key Features

• Direct-fit OE replacement for straightforward installation
• Integrated check valve with vehicle-specific operating pressure
• Designed for pressurized fuel systems and sustained creep loads
• Black finish
• Female connector gender with 2 connectors
• 3 hose connectors and 3 ports for evaporative system routing
• Blade terminals with male terminal gender

Detailed Description

The Standard Ignition CP3638 vapor canister is engineered for evaporative emission control service where accurate sealing, pressure control, and system integrity matter. This part number is a direct OE-style replacement for California emissions vehicles, including the 2014 Cadillac XTS, 2015 Chevrolet Impala, 2015 Chevrolet Malibu, and 2016 Chevrolet Malibu Limited. Standard Ignition CP3638 is designed to help restore proper EVAP system operation when the original canister is no longer holding vapors as intended.

This vapor canister uses a black housing, 2 electrical connectors with female terminals, and blade-style male terminals. Hose routing is supported by 3 hose connectors, 3 ports, and hose sizes of 1/4 inch and 1/2 inch. This part cross-references ACDelco 23430297 for the same application.

What It Helps Fix

• EVAP-related OBD codes tied to vapor storage or purge flow faults
• Refueling problems such as slow fill or fuel nozzle shutoff issues
• Fuel vapor leakage from a damaged or saturated canister
• Check engine lights related to evaporative emissions system performance
• Pressure retention issues in pressurized fuel system operation

Installation Notes and Tips

Verify California emissions fitment before ordering, since this part is application-specific. Match the hose sizes, connector style, and port layout to the original unit before installation. After replacement, clear stored EVAP codes and confirm the repair with a proper system test to ensure the fault does not return.

Quality Assurance

Standard Ignition manufactures this vapor canister as an OE replacement and subjects it to extensive testing to confirm proper function in evaporative emissions service. The design focus is on fitment accuracy, pressure control, and reliable operation for vehicles that require California emissions equipment.