HomeEmission Control > Evaporative SystemStandard Ignition CP3748 Vapor Canister
Part #: CP3748

Standard Ignition CP3748 Vapor Canister

1 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, LaCrosse
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Vapor Canister for 2019 Buick LaCrosse

Standard Ignition CP3748 is a vapor canister for the evaporative emission control system on the 2019 Buick LaCrosse. It uses charcoal filter media to capture fuel vapors and route them through the EVAP system, helping maintain proper emissions control and fuel vapor management.

Key Features

  • Black vapor canister for evaporative system service
  • Charcoal filter media with included filter element
  • Connector design: female and male terminals with rectangular and oval shapes
  • 3 hose connectors and 3 ports for EVAP routing
  • 7 blade terminals for electrical connection points
  • Contents: canister without gauge
  • Fits 2019 Buick LaCrosse, N/A

Detailed Description

Standard Ignition CP3748 is built for the evaporative system on the 2019 Buick LaCrosse and is identified by part number CP3748. As a vapor canister, it stores fuel vapors from the fuel tank and sends them through the EVAP system when conditions allow, supporting emissions control and vapor containment. This part cross-references Monroe Shocks & Struts (e.g., 2-70608, 42899339) for the same application.

What It Helps Address

  • Fuel vapor odor around the vehicle
  • EVAP system leak-related fault codes
  • Improper vapor storage in the emission control system
  • Check engine light concerns tied to evaporative emissions
  • Damaged or saturated charcoal canister service needs

Installation Notes and Tips

Verify connector style, port layout, and terminal count against the original unit before installation. Confirm the vehicle application as 2019 Buick LaCrosse, N/A, and inspect EVAP hoses and electrical connections for wear, cracks, or contamination during replacement. Standard Ignition CP3748 should be installed as a direct replacement for the confirmed application only.

Quality Assurance

Standard Ignition is a recognized name in replacement electrical and emissions components. CP3748 is built to match the listed evaporative system configuration for the 2019 Buick LaCrosse.

BrandStandard Ignition
Part NumberCP3748
Color/FinishBlack
Connector GenderFemale + male
Connector Quantity4
Connector ShapeRectangular, oval
ContentsCanister w/o gauge
Filter Element IncludedYes
Filter MediaCharcoal
Hose Connector Quantity3
Port Quantity3
Terminal GenderFemale + male
Terminal Quantity7
Terminal TypeBlade

This part fits 1 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2019BuickLaCrosseFWD3.6LV6N/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:

2-7060842899339CP1912FVCD30253

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