HomeEmission Control > Evaporative SystemStandard Ignition CP3688 Vapor Canister
Part #: CP3688

Standard Ignition CP3688 Vapor Canister

⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai and Kia, Accent and Rio
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Vapor Canister CP3688

The Standard Ignition CP3688 vapor canister is designed to support the evaporative emission control system in Hyundai Accent and Kia Rio models. This black vapor canister features a charcoal filter media to effectively capture fuel vapors, helping maintain your vehicle's emission standards.

  • Color/Finish: Black
  • Filter Element Included: Yes, charcoal media
  • Hose Size: 5/8 inch diameter
  • Port Quantity: 2 ports for vapor flow
  • Connector Quantity: 0 (no electrical connectors)
  • Mounting Hardware: Not included

Detailed Product Description

The CP3688 vapor canister by Standard Ignition is engineered to replace the evaporative system component in select Hyundai Accent and Kia Rio vehicles. Its charcoal filter media captures and stores fuel vapors from the fuel tank, preventing them from escaping into the atmosphere. The canister’s two ports allow for efficient vapor flow and integration with the vehicle’s evaporative system. With a hose size of 5/8 inch, it fits standard vapor lines used in these models. The black finish provides corrosion resistance and durability under engine bay conditions. This vapor canister does not include mounting hardware or electrical connectors, so ensure compatibility with your vehicle’s existing setup.

Common Applications and Issues Addressed

  • Replacement for faulty or saturated vapor canisters in Hyundai Accent and Kia Rio
  • Helps resolve fuel odor issues caused by vapor leaks
  • Prevents check engine light codes related to evaporative emission system malfunctions
  • Supports compliance with emission regulations by capturing fuel vapors
  • Improves overall evaporative system performance and fuel efficiency

Installation Notes and Tips

When installing the Standard Ignition CP3688 vapor canister, verify the hose size matches the 5/8 inch diameter specification. Since mounting hardware is not included, reuse existing brackets or secure the canister with appropriate fasteners. Ensure all vapor lines are properly connected to the two ports to maintain system integrity. It is recommended to inspect related components such as hoses and valves during installation to prevent future leaks or failures.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for reliable performance. The CP3688 vapor canister undergoes quality checks to ensure proper fit and function in Hyundai Accent and Kia Rio vehicles. Please refer to Standard Ignition’s warranty policy for coverage details on this emission control component.

BrandStandard Ignition
Part NumberCP3688
Color/FinishBlack
Connector Quantity0
Filter Element IncludedYes
Filter MediaCharcoal
Hose Size - Inches5/8"
Mounting Hardware IncludedNo
Port Quantity2

This part fits 11 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2023KiaRioHatchbackN/A
2022HyundaiAccentN/A
2022KiaRioHatchbackN/A
2021HyundaiAccentN/A
2021KiaRioN/A
2020HyundaiAccentN/A
2020KiaRioN/A
2019HyundaiAccentN/A
2019KiaRioN/A
2018HyundaiAccentN/A
2018KiaRioN/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:

2-7054831420H9600CP1852CP3688FVCD20215

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