HomeEmission Control > Evaporative SystemStandard Ignition CP3638 Vapor Canister
Part #: CP3638

Standard Ignition CP3638 Vapor Canister

5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and Cadillac, Malibu Limited, Impala, Malibu, and XTS
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Overview of Standard Ignition Vapor Canister CP3638

The Standard Ignition CP3638 vapor canister is designed for emission control in select Cadillac and Chevrolet vehicles. This black vapor canister features multiple connectors and ports to ensure proper integration with your vehicle's evaporative system.

  • Compatible with Cadillac XTS and Chevrolet Impala, Malibu, Malibu Limited models
  • Black finish for corrosion resistance and durability
  • Two female connectors and three hose connectors for secure fitment
  • Supports hose sizes of 1/4 inch and 1/2 inch
  • Three ports and blade-type male terminals for reliable electrical connections

Detailed Product Description

The Standard Ignition CP3638 vapor canister is a critical component of the evaporative emission control system, designed to capture and store fuel vapors from the fuel tank. This vapor canister is finished in black to resist environmental wear and features two female connectors and three hose connectors, accommodating hose sizes of 1/4 inch and 1/2 inch. It includes three ports and blade-type male terminals, with terminal quantities of two or three, ensuring compatibility with the vehicle’s wiring harness. This part is engineered specifically for Cadillac XTS and Chevrolet Impala, Malibu, and Malibu Limited models, providing a precise fit and reliable performance.

Common Applications and Issues Addressed

  • Prevents fuel vapor leaks that can trigger the check engine light
  • Helps maintain proper fuel system pressure and emissions control
  • Reduces evaporative emissions to comply with environmental regulations
  • Resolves issues related to failed vapor canisters causing rough idling or poor fuel economy
  • Eliminates fuel odor caused by vapor leaks in the evaporative system

Installation Notes and Tips

  • Ensure vehicle compatibility with Cadillac XTS or Chevrolet Impala, Malibu, Malibu Limited before installation
  • Disconnect the battery before replacing the vapor canister to avoid electrical shorts
  • Check all hose connections and terminals for secure fitment to prevent leaks
  • Inspect related evaporative system components for wear or damage during installation
  • Follow manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The CP3638 vapor canister undergoes rigorous quality control to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.

BrandStandard Ignition
Part NumberCP3638
Color/FinishBlack
Connector GenderFemale
Hose Size - Inches1/4", 1/2"
Terminal GenderMale
Terminal TypeBlade

This part fits 5 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2016ChevroletMalibu Limited2.5LL4N/AFits vehicles equipped with California emissions.
2015ChevroletImpala3.6LV6N/AFits vehicles equipped with California emissions.
2015ChevroletImpala2.5LL4N/AFits vehicles equipped with California emissions.
2015ChevroletMalibu2.5LL4N/AFits vehicles equipped with California emissions.
2014CadillacXTSFWD3.6LV6N/AFits vehicles equipped with California 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:

2-70498234302974B190884163666CP1802CPG2526FVCD30116

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