HomeEmission Control > Evaporative SystemStandard Ignition CP3456 Vapor Canister
Part #: CP3456

Standard Ignition CP3456 Vapor Canister

11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, Legacy and Outback
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Overview of Standard Ignition Vapor Canister CP3456

The Standard Ignition Vapor Canister CP3456 is designed specifically for Subaru Legacy and Outback models. This vapor canister plays a critical role in the vehicle's evaporative emission control system, helping to reduce harmful fuel vapors from escaping into the atmosphere.

  • Compatible with Subaru Legacy and Outback models
  • Part number CP3456 for precise identification
  • Designed for the evaporative system to control fuel vapor emissions
  • Durable construction to withstand engine compartment conditions
  • OEM-quality replacement part ensuring proper fit and function

Product Details and Functionality

The vapor canister CP3456 from Standard Ignition is engineered to capture and store fuel vapors from the fuel tank, preventing them from being released into the environment. It works as part of the evaporative emission control system by temporarily holding vapors and then routing them to the engine intake for combustion. This process helps maintain compliance with emission regulations and supports efficient engine performance. The canister is built to meet the specifications required for Subaru Legacy and Outback vehicles, ensuring a reliable fit and long service life.

Common Issues Addressed by This Vapor Canister

  • Reduction of fuel vapor leaks that trigger the check engine light
  • Prevention of strong fuel odors around the vehicle
  • Improvement of evaporative system performance and emissions control
  • Elimination of rough idling caused by vapor canister malfunction
  • Resolution of failed emissions tests related to evaporative system faults

Installation Notes and Tips

When installing the Standard Ignition vapor canister CP3456, ensure the vehicle is compatible by confirming the make and model as Subaru Legacy or Outback. Disconnect the battery before beginning installation to avoid electrical issues. Carefully remove the old vapor canister and inspect the surrounding hoses and connectors for wear or damage. Replace any compromised components to maintain system integrity. Follow the vehicle manufacturer’s torque specifications when securing the new canister to avoid leaks or damage.

Quality Assurance and Warranty Information

Standard Ignition parts, including the CP3456 vapor canister, are manufactured to meet or exceed OEM standards. This ensures consistent performance and durability under normal operating conditions. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms related to this vapor canister.

BrandStandard Ignition
Part NumberCP3456
Color/FinishBlack
Connector GenderFemale
Filter Element IncludedYes
Hose Size - Inches5/16 "
Length - Inches13.25"
Terminal GenderMale
Terminal TypeBlade

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2009SubaruLegacyN/A
2009SubaruOutbackN/A
2008SubaruLegacyN/A
2008SubaruOutbackN/A
2007SubaruLegacyN/A
2007SubaruOutbackN/A
2006SubaruLegacyN/A
2006SubaruOutbackN/A
2005SubaruLegacyN/A
2005SubaruOutbackN/A
2004SubaruLegacyN/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:

2-7031542035AG03A4B1456CP1591CPN2344FVCD30077

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