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Standard Ignition CP3668 Vapor Canister
OE Replacement Vapor Canister
Standard Ignition CP3668 is a direct-fit fuel vapor canister for evaporative emissions service. It is built with a black finish, charcoal filter media, and an included filter element to support clean vapor storage and reliable system operation.
Key Features
- Direct-fit OE replacement for straightforward installation
- Black housing with charcoal filter media
- Filter element included
- 3-port design with 3/8 in. and 5/8 in. hose sizes
- Professional-grade construction for long service life
- Standard Ignition CP3668 for evaporative system repair
Product Details
Standard Ignition CP3668 is a vapor canister for the evaporative control system, built to replace the original unit with the correct fit and function. The charcoal media stores fuel vapors until they are routed back through the emissions system, helping maintain proper evaporative operation on applications such as the 2017-2018 Chevrolet Silverado 1500, 2017-2018 GMC Sierra 1500, and 2019 GMC Sierra 1500 Limited. This part cross-references 2-70528 and 84106544 for the same application.
What It Helps Address
- Evaporative emissions fault codes related to vapor storage
- Fuel vapor odor from a saturated or damaged canister
- Check engine light concerns tied to EVAP system performance
- Cracked, clogged, or deteriorated canister housing
- Fitment issues during replacement of the original vapor canister
Installation Notes and Tips
Verify hose size and port count before installation. This vapor canister uses 3/8 in. and 5/8 in. hose connections and a 3-port layout, so matching the original routing is important for proper EVAP system operation. Confirm vehicle application by year, make, model, and bed configuration before ordering. Fits 2017-2018 Chevrolet Silverado 1500, w/ Short Bed. Fits 2017-2018 GMC Sierra 1500, w/ Short Bed. Fits 2019 GMC Sierra 1500 Limited, N/A.
Quality Assurance
Standard Ignition manufactures this fuel vapor canister with high-grade materials and OE-style construction focused on technician-friendly service and long-term performance.
| Brand | Standard Ignition |
|---|---|
| Part Number | CP3668 |
| Color/Finish | Black |
| Filter Element Included | Yes |
| Filter Media | Charcoal |
| Hose Size - Inches | 3/8"; 5/8" |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | GMC | Sierra 1500 Limited | 5.3L | V8 | N/A | |
| 2018 | Chevrolet | Silverado 1500 | N/A | w/ Short Bed | ||
| 2018 | GMC | Sierra 1500 | N/A | w/ Short Bed | ||
| 2017 | Chevrolet | Silverado 1500 | N/A | w/ Short Bed | ||
| 2017 | GMC | Sierra 1500 | N/A | w/ Short Bed |
* 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.