Standard Ignition CP3691 Vapor Canister

Vapor Canister for Hyundai and Kia EVAP Systems

Standard Ignition CP3691 is a vapor canister for evaporative emission control systems on select Hyundai and Kia models. It uses charcoal filter media and a black housing to help manage fuel vapor storage within the EVAP system.

Key Features

• Charcoal filter element included for vapor adsorption
• Black finish for a factory-style appearance
• 3-port design with 1/2 in. hose size
• No connector quantity listed
• Standard Ignition CP3691 for emission control service

Detailed Description

This vapor canister is built for evaporative emission control service on 2017-2022 Kia Niro, 2022 Hyundai Ioniq, and 2017-2021 Hyundai Ioniq without Plug-In configuration. Standard Ignition CP3691 stores fuel vapors in charcoal media so the EVAP system can route them for later engine use, helping maintain proper emissions-system operation. This part cross-references 2-70551 and CP1855 for the same application.

What It Helps Address

• EVAP system vapor storage faults
• Fuel vapor odor from a saturated canister
• Emission control warning conditions tied to vapor retention
• Restricted vapor flow through a damaged canister
• Service replacement for cracked or deteriorated canister housing

Installation Notes and Tips

Verify hose routing, port alignment, and vehicle configuration before installation. This vapor canister uses 3 ports and a 1/2 in. hose size, with no mounting hardware included. Confirm fitment for the exact Hyundai Ioniq or Kia Niro application, especially the 2017-2021 Hyundai Ioniq without Plug-In model.

Quality Assurance

Standard Ignition CP3691 is an emission control replacement part built to match the listed vehicle applications and OE-style service requirements.