OE Quality
60-Day Returns

Standard Ignition CP3661 Vapor Canister
Overview of Standard Ignition Vapor Canister CP3661
The Standard Ignition CP3661 vapor canister is designed for emission control in select Chevrolet and GMC vehicles. This black vapor canister is engineered to maintain your vehicle's evaporative system efficiency, specifically compatible with Chevrolet Equinox and GMC Terrain models.
- Color/Finish: Black
- Connector Gender: Female
- Connector Quantity: 1
- Connector Shape: Round and square
- Filter Element Included: Yes
- Filter Media: Charcoal
- Hose Size Compatibility: 3/8" and 5/8"
- Port Quantity: 3
- Terminal Gender: Male
- Terminal Quantity: 2
- Terminal Type: Blade
Detailed Product Description
The Standard Ignition CP3661 vapor canister is a critical component of the evaporative emission control system, designed to capture and store fuel vapors from the fuel tank. Featuring a charcoal filter media, this vapor canister effectively absorbs fuel vapors, preventing them from escaping into the atmosphere. The unit includes three ports and supports hose sizes of 3/8" and 5/8", allowing for versatile installation in the evaporative system. The female connector with a single connection point and dual male blade terminals ensure secure electrical connections. Its black finish provides durability and corrosion resistance suitable for under-hood environments.
Compatible Vehicles and Applications
This vapor canister is compatible with Chevrolet Equinox and GMC Terrain models, making it a suitable replacement part for emission control repairs or maintenance on these vehicles. The part number CP3661 should be referenced to ensure proper fitment and compatibility.
Common Issues Addressed by Vapor Canister Replacement
- Reduction of fuel vapor leaks causing check engine light illumination
- Improved evaporative system performance and fuel efficiency
- Elimination of fuel odor around the vehicle
- Prevention of failed emissions tests due to vapor system faults
- Restoration of proper fuel vapor containment and system pressure
Installation Notes and Tips
When installing the Standard Ignition CP3661 vapor canister, ensure all hose connections match the specified 3/8" and 5/8" sizes for a secure fit. Verify the orientation of the round and square connectors to align with the vehicle’s evaporative system ports. Use appropriate tools to connect the female connector and blade terminals firmly to avoid electrical issues. It is recommended to inspect surrounding hoses and fittings for wear or damage during installation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications. The CP3661 vapor canister undergoes rigorous quality control to ensure reliable performance in emission control applications. Warranty coverage details should be confirmed with the product documentation or supplier, typically including protection against defects in materials and workmanship.
| Brand | Standard Ignition |
| Part Number | CP3661 |
| Color/Finish | Black |
| Connector Gender | Female |
| Connector Shape | Round, Square |
| Filter Element Included | Yes |
| Filter Media | Charcoal |
| Hose Size - Inches | 3/8"; 5/8" |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2021 | Chevrolet | Equinox | N/A | |
| 2021 | GMC | Terrain | N/A | |
| 2020 | Chevrolet | Equinox | N/A | 1st Design |
| 2020 | GMC | Terrain | N/A | 1st Design |
| 2019 | Chevrolet | Equinox | N/A | 1st Design |
| 2019 | GMC | Terrain | N/A | 1st Design |
| 2018 | Chevrolet | Equinox | N/A | 1st Design |
| 2018 | GMC | Terrain | N/A | 1st Design |
* 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.