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Standard Ignition CP3666 Vapor CanisterOE Quality 60-Day Returns
Part #: CP3666

Standard Ignition CP3666 Vapor Canister

12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, Chevrolet, and GMC, Escalade ESV, Suburban, and Yukon XL
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OE Replacement Vapor Canister

Standard Ignition CP3666 is a direct-fit fuel vapor canister for evaporative emission system service. It is built for 2017-2020 Cadillac Escalade ESV and 2017-2020 GMC Yukon XL applications, with OE-style fitment for straightforward replacement work.

Key Features

  • Direct-fit OE replacement vapor canister
  • Black finish
  • 3/8" and 5/8" hose sizes
  • 3-port design
  • No electrical connector on the canister
  • Standard Ignition CP3666 for evaporative system repair

Application Details

This vapor canister is used in the evaporative emission control system to manage fuel vapor storage and routing. Standard Ignition CP3666 is built with professional-grade materials and OE-focused construction for service on 2017-2020 Cadillac Escalade ESV and 2017-2020 GMC Yukon XL models. This part cross-references 84106549 for the same application.

Common Repair Uses

  • Fuel vapor leak diagnosis tied to EVAP system faults
  • Check engine light concerns related to evaporative emissions
  • Damaged or cracked canister housing
  • Restricted vapor flow through the emission control system
  • Replacement after charcoal saturation or contamination

Installation Notes

Verify hose size and port layout before installation. Match the 3-port configuration and confirm the vehicle uses 3/8" and 5/8" hose connections. Standard Ignition CP3666 is a direct-fit replacement, so it is intended to align with OE mounting and routing on the listed Cadillac Escalade ESV and GMC Yukon XL applications.

Quality Assurance

Standard Ignition builds this vapor canister with materials selected for long service life and consistent performance. The design reflects decades of OE-focused research and development centered on technician needs and serviceability.

BrandStandard Ignition
Part NumberCP3666
Color/FinishBlack
Hose Size - Inches3/8"; 5/8"

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020CadillacEscalade ESV6.2LV8N/A
2020GMCYukon XL6.2LV8N/A
2020GMCYukon XL5.3LV8N/A
2019CadillacEscalade ESV6.2LV8N/A
2019GMCYukon XL6.2LV8N/A
2019GMCYukon XL5.3LV8N/A
2018CadillacEscalade ESV6.2LV8N/A
2018GMCYukon XL6.2LV8N/A
2018GMCYukon XL5.3LV8N/A
2017CadillacEscalade ESV6.2LV8N/A
2017GMCYukon XL6.2LV8N/A
2017GMCYukon XL5.3LV8N/A

* 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:

2-7052684106549CP1830FVCC20194

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

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