OE Quality
60-Day Returns

Standard Ignition CP3231 Vapor Canister
OE Vapor Canister for Ram 1500, 2500, 3500
Standard Ignition CP3231 is a direct-fit fuel vapor canister for evaporative emission system service on select 1996-1997 Dodge Ram trucks. It is built with a black housing, an included filter element, and OE-style hose and port layout for straightforward replacement.
Key Features
- Direct-fit OE replacement for evaporative system repair
- Black finish with durable construction for underbody exposure
- Includes filter element
- 2 hose connectors and 2 ports for OE-style routing
- Hose sizes: 3/8 in. and 7/16 in.
- Length: 9.4 in.
Product Details
Standard Ignition CP3231 is a vapor canister used in the evaporative emissions system to manage fuel vapors from the tank and route them through the proper emission-control path. This OE replacement is made for direct installation on 1996-1997 Dodge Ram 1500, 1996-1997 Dodge Ram 2500, and 1996-1997 Dodge Ram 3500 applications. The part number CP3231 is also referenced for cross-application comparison, and this part cross-references Dorman - OE Solutions 911-241 for the same application.
Common Issues This Part Can Address
- Evaporative emission system fault codes related to vapor storage
- Fuel vapor odor near the vehicle
- Cracked, saturated, or damaged canister housing
- Hose connection problems at the canister ports
- Inspection failures tied to EVAP system performance
Installation Notes
Verify hose size, port count, and mounting location before installation. Match the OE routing on the 1996-1997 Dodge Ram 1500, Ram 2500, or Ram 3500 to confirm proper connection to the evaporative system. Inspect related EVAP hoses and fittings for wear before installing CP3231 to help prevent repeat leaks or drivability concerns.
Quality Assurance
Standard Ignition states that this vapor canister uses quality materials suited for demanding operating conditions and is tested for reliability during manufacturing. CP3231 is produced under controlled quality processes as an OE-style replacement part.
| Brand | Standard Ignition |
|---|---|
| Part Number | CP3231 |
| Color/Finish | Black |
| Filter Element Included | Yes |
| Hose Size - Inches | 3/8, 7/16 " |
| Length - Inches | 9.4" |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1997 | Dodge | Ram 1500 | 5.9L | V8 | N/A | ||
| 1997 | Dodge | Ram 1500 | 5.2L | V8 | GAS | N/A | |
| 1997 | Dodge | Ram 1500 | 3.9L | V6 | N/A | ||
| 1997 | Dodge | Ram 2500 | 5.9L | V8 | GAS | N/A | |
| 1997 | Dodge | Ram 2500 | 8.0L | V10 | N/A | ||
| 1997 | Dodge | Ram 3500 | 8.0L | V10 | N/A | ||
| 1997 | Dodge | Ram 3500 | 5.9L | V8 | GAS | N/A | |
| 1996 | Dodge | Ram 1500 | 3.9L | V6 | N/A | ||
| 1996 | Dodge | Ram 1500 | 5.2L | V8 | GAS | N/A | |
| 1996 | Dodge | Ram 1500 | 5.9L | V8 | N/A | ||
| 1996 | Dodge | Ram 2500 | 8.0L | V10 | N/A | ||
| 1996 | Dodge | Ram 2500 | 5.9L | V8 | GAS | N/A | |
| 1996 | Dodge | Ram 3500 | 8.0L | V10 | N/A | ||
| 1996 | Dodge | Ram 3500 | 5.9L | V8 | GAS | 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.