HomeEmission Control > Evaporative SystemStandard Ignition CP3639 Vapor Canister
Part #: CP3639

Standard Ignition CP3639 Vapor Canister

15 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, ATS
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OE Vapor Canister for Cadillac ATS

Standard Ignition CP3639 is a direct-fit vapor canister for evaporative emissions service on the Cadillac ATS. It is built for vehicles with Federal Emissions and is shaped to match OE fit, form, and function for straightforward replacement.

With an integrated check valve and application-specific operating pressure, this vapor canister is engineered for pressurized fuel system requirements and tested to help restore proper evaporative system operation. Standard Ignition CP3639 is a practical choice when diagnosing EVAP faults, refueling concerns, or OBD emissions codes on a Cadillac ATS.

Key Features

  • Direct-fit OE replacement for evaporative system service
  • Integrated check valve with vehicle-specific operating pressure
  • Designed for pressurized fuel systems and creep-load durability
  • Black housing with 3 hose ports and 1 female connector
  • Blade-style terminals with 2 male terminals
  • Compatible with 1/4 in. and 1/2 in. hose sizes
  • Fits 2013-2019 Cadillac ATS, Federal Emissions

Detailed Description

Standard Ignition CP3639 vapor canister is an emission control component for the evaporative system on 2013-2019 Cadillac ATS models equipped with Federal Emissions. It is built as an OE-style replacement to match the original part’s fit and connection layout, including three hose connections, one connector, and blade terminals for proper integration with the vehicle’s EVAP plumbing.

This part cross-references 2-70499 and CP1803 for the same application. Use Standard Ignition CP3639 when replacing a failed vapor canister on a Cadillac ATS to address evaporative system faults and restore normal fuel vapor storage and routing.

What It Helps Resolve

  • OBD emissions codes related to the evaporative system
  • Refueling problems caused by EVAP restriction or valve issues
  • Fuel vapor containment concerns in the emission control system
  • Faults tied to vapor canister leakage or improper venting
  • Driveability issues associated with EVAP system malfunction

Installation Notes and Tips

Verify Federal Emissions fitment before ordering. Confirm hose routing, connector style, and port layout against the original vapor canister on the vehicle. Standard Ignition CP3639 is a direct-fit replacement, so installation follows the OE mounting and connection points for the Cadillac ATS application.

Quality Assurance

Standard Ignition tests this vapor canister for proper function to support EVAP system repair and emissions code clearing. The design is intended to meet the operating needs of the specific vehicle application and maintain correct performance in pressurized fuel system service.

BrandStandard Ignition
Part NumberCP3639
Color/FinishBlack
Connector GenderFemale
Hose Size - Inches1/4", 1/2"
Terminal GenderMale
Terminal TypeBlade

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019CadillacATS3.6LV6N/ACompatible with vehicles equipped with Federal Emissions.
2018CadillacATS3.6LV6N/ACompatible with vehicles equipped with Federal Emissions.
2017CadillacATSN/ACompatible with vehicles equipped with Federal Emissions.
2016CadillacATS3.6LV6N/ACompatible with vehicles equipped with Federal Emissions.
2016CadillacATS2.5LL4N/ACompatible with vehicles equipped with Federal Emissions.
2016CadillacATS2.0LL4N/ACompatible with vehicles equipped with Federal Emissions.
2015CadillacATS3.6LV6N/ACompatible with vehicles equipped with Federal Emissions.
2015CadillacATS2.5LL4N/ACompatible with vehicles equipped with Federal Emissions.
2015CadillacATS2.0LL4N/ACompatible with vehicles equipped with Federal Emissions.
2014CadillacATS3.6LV6N/ACompatible with vehicles equipped with Federal Emissions.
2014CadillacATS2.5LL4N/ACompatible with vehicles equipped with Federal Emissions.
2014CadillacATS2.0LL4N/ACompatible with vehicles equipped with Federal Emissions.
2013CadillacATS3.6LV6N/ACompatible with vehicles equipped with Federal Emissions.
2013CadillacATS2.5LL4N/ACompatible with vehicles equipped with Federal Emissions.
2013CadillacATS2.0LL4N/ACompatible with vehicles equipped with Federal Emissions.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2-70499207799534B1669CP1803FVCD30150

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.