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Standard Ignition CP3742 Vapor Canister
Vapor Canister for Buick EVAP Repair
Standard Ignition CP3742 is a black vapor canister for the evaporative emission control system. It uses charcoal filter media and includes a filter element, with a rectangular and oval connector layout for direct replacement service on select Buick applications.
Key Features
- Black vapor canister for emission control service
- Charcoal filter media with filter element included
- Female connectors with rectangular and oval shapes
- 3 hose connectors and 3 ports
- Blade terminals with male terminal design
- Direct replacement part number CP3742
Detailed Description
Standard Ignition CP3742 is built for the evaporative system to store fuel vapors and route them through the EVAP circuit as the vehicle operates. This vapor canister is a practical replacement for Buick Regal Sportback, Buick Regal TourX, and Buick LaCrosse models that need service in the emission control system. The charcoal media and integrated filter element support vapor capture in the canister assembly, while the connector and terminal layout helps match the original configuration. This part cross-references 19436332 and CP1906 for the same application.
What It Helps Address
- EVAP leak codes related to vapor storage or purge flow
- Fuel vapor odor around the vehicle
- Damaged or saturated charcoal canister media
- Emission system faults tied to canister ports or connectors
- Check engine light concerns from evaporative system failure
Installation Notes and Tips
Verify connector shape, terminal style, hose routing, and port count against the original unit before installation. For fitment, this part fits 2018-2020 Buick Regal Sportback, N/A; fits 2018-2020 Buick Regal TourX, N/A; and fits 2018-2019 Buick LaCrosse, N/A. Confirm the EVAP lines are secure and inspect related purge and vent components during replacement. Standard Ignition CP3742 is a direct-fit vapor canister for select Buick emission control repairs.
Quality Assurance
Standard Ignition supplies replacement emission control components for service applications, and CP3742 is built to match the listed connector and terminal configuration for the specified Buick models.
| Brand | Standard Ignition |
|---|---|
| Part Number | CP3742 |
| Color/Finish | Black |
| Connector Gender | Female |
| Connector Quantity | 2 |
| Connector Shape | Rectangular, oval |
| Contents | Canister w/o gauge |
| Filter Element Included | Yes |
| Filter Media | Charcoal |
| Hose Connector Quantity | 3 |
| Port Quantity | 3 |
| Terminal Gender | Male |
| Terminal Quantity | 2; 3 |
| Terminal Type | Blade |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Buick | Regal Sportback | 3.6L | V6 | N/A | ||
| 2020 | Buick | Regal TourX | N/A | ||||
| 2019 | Buick | LaCrosse | AWD | 3.6L | V6 | N/A | |
| 2019 | Buick | Regal Sportback | 3.6L | V6 | N/A | ||
| 2019 | Buick | Regal TourX | N/A | ||||
| 2018 | Buick | LaCrosse | AWD | 3.6L | V6 | N/A | |
| 2018 | Buick | Regal Sportback | 3.6L | V6 | N/A | ||
| 2018 | Buick | Regal TourX | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.