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
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, Legacy and Outback
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Vapor Canister for Subaru Legacy and Outback

Standard Ignition CP3456 is a vapor canister for the evaporative emission control system on select Subaru applications. It is built with a black finish, an integrated filter element, and OE-style electrical and hose connections for direct replacement service.

  • Black finish for a clean OE-style appearance
  • Integrated filter element included
  • 1 female connector and 2 male blade terminals
  • 4 hose connectors with 5/16 in. hose size
  • 4 ports for evaporative system routing
  • Length: 13.25 in.
  • Compatible with Subaru Legacy and Subaru Outback evaporative system service

Detailed Product Overview

Standard Ignition CP3456 is an evaporative system vapor canister designed for 2004-2009 Subaru Legacy and 2005-2009 Subaru Outback applications. It supports vapor storage and routing within the EVAP system, helping maintain proper fuel vapor management on vehicles equipped with the matching factory configuration. If you are searching for a Subaru Legacy vapor canister or a Subaru Outback vapor canister replacement, CP3456 provides the specified connector, port, and hose layout for those applications.

This part cross-references Standard Ignition CP1591 for the same application.

Common Issues This Part Addresses

  • EVAP system leak codes related to vapor storage faults
  • Fuel vapor odor from a saturated or damaged canister
  • Check engine light concerns tied to evaporative emissions performance
  • Cracked, clogged, or deteriorated canister housing
  • Improper vapor routing in the emission control system

Installation Notes and Tips

Verify connector style, hose size, port count, and vehicle fitment before installation. This vapor canister uses a female electrical connector, male blade terminals, and 5/16 in. hose connections, so matching the original EVAP layout is important for proper installation on 2004-2009 Subaru Legacy and 2005-2009 Subaru Outback models.

Quality Assurance

Standard Ignition supplies emission control components for OE-style replacement service. CP3456 is built to match the listed application details for dependable fitment in the Subaru Legacy and Subaru Outback EVAP system.

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.