HomeEmission Control > Evaporative SystemStandard Ignition CP3689 Vapor Canister
Part #: CP3689

Standard Ignition CP3689 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: Hyundai, Ioniq
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Vapor Canister for Hyundai Ioniq Plug-In

Standard Ignition CP3689 is a black vapor canister for evaporative emissions service on select Hyundai Ioniq Plug-In models. It is built with three ports, no electrical connectors, and no terminals, making it a direct-fit emissions component for the EVAP system.

Key Features

  • Black finish
  • Three-port vapor canister design
  • No connectors or terminals
  • Emission control component for the evaporative system
  • Fits 2017-2021 Hyundai Ioniq, N/A, w/ Plug-In

Detailed Description

This Standard Ignition vapor canister, part number CP3689, is used in the evaporative emission control system to manage fuel vapor storage and routing. It is listed for 2017-2021 Hyundai Ioniq Plug-In applications and matches the vehicle’s EVAP layout with a three-port configuration. If you are replacing a worn or damaged CP3689 unit on a Hyundai Ioniq, this part provides the correct application-specific fitment.

This part cross-references 2-70549 and CP1853 for the same application.

Common Issues It May Address

  • EVAP system fault codes related to vapor storage
  • Fuel vapor odor near the vehicle
  • Damaged or cracked canister housing
  • Emission inspection failures tied to evaporative system faults
  • Improper vapor routing in the fuel vapor recovery system

Installation Notes and Tips

Verify the vehicle is a 2017-2021 Hyundai Ioniq Plug-In before ordering. Confirm port layout and mounting points against the original canister, and inspect EVAP hoses and seals during replacement to avoid repeat faults. Clear diagnostic trouble codes after installation and perform a system check to confirm proper evaporative system operation.

Quality Assurance

Standard Ignition supplies replacement emission control components for service applications. CP3689 is cataloged for direct fitment on the listed Hyundai Ioniq Plug-In vehicles.

BrandStandard Ignition
Part NumberCP3689
Color/FinishBlack
Connector Quantity0
Port Quantity3
Terminal Quantity0

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2021HyundaiIoniqN/Aw/ Plug-In
2020HyundaiIoniqN/Aw/ Plug-In
2019HyundaiIoniqN/Aw/ Plug-In
2018HyundaiIoniqN/Aw/ Plug-In
2017HyundaiIoniqN/Aw/ Plug-In

* 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:

2-7054931420G2600CP1853CP3689FVCD20216

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