HomeEmission Control > Evaporative SystemStandard Ignition CP3231 Vapor Canister
Part #: CP3231

Standard Ignition CP3231 Vapor Canister

⚙️ 14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Ram 1500, Ram 2500, and Ram 3500
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Overview of Standard Ignition Vapor Canister CP3231

The Standard Ignition CP3231 vapor canister is designed for emission control in Dodge Ram trucks, including the Ram 1500, Ram 2500, and Ram 3500 models. This black vapor canister features a built-in filter element and multiple hose connectors to ensure efficient evaporative system performance.

  • Compatible with Dodge Ram 1500, Ram 2500, and Ram 3500
  • Includes integrated filter element for improved filtration
  • Two hose connectors with sizes 3/8 and 7/16 inches
  • Compact length of 9.4 inches for easy installation
  • Two ports for optimized vapor flow

Detailed Product Features and Specifications

The CP3231 vapor canister from Standard Ignition is engineered to meet the evaporative emission control requirements of Dodge Ram trucks. Its black finish provides durability and corrosion resistance. The inclusion of a filter element helps trap fuel vapors effectively, reducing emissions and maintaining system integrity. With two hose connectors sized at 3/8 and 7/16 inches, this canister accommodates standard hose fittings commonly found in the evaporative system. The 9.4-inch length allows for a straightforward replacement without modification. Two ports facilitate proper vapor routing, ensuring the system operates within manufacturer specifications.

Purpose and Common Applications

  • Reduces fuel vapor emissions in Dodge Ram 1500, 2500, and 3500 models
  • Prevents evaporative system leaks and fuel odor issues
  • Maintains proper fuel system pressure and vapor flow
  • Helps resolve check engine light codes related to EVAP system faults
  • Supports compliance with emission regulations

Installation Notes and Tips

When installing the Standard Ignition CP3231 vapor canister, ensure the vehicle is cool and parked on a level surface. Disconnect the battery before beginning to avoid electrical hazards. Carefully remove the old vapor canister and inspect hoses for wear or damage. Connect the two hoses to the appropriate 3/8 and 7/16 inch connectors on the new canister. Verify that all connections are secure and free of leaks. After installation, clear any diagnostic trouble codes and perform a system test to confirm proper operation.

Quality Assurance and Warranty Information

Standard Ignition manufactures the CP3231 vapor canister to meet or exceed OEM specifications for Dodge Ram trucks. The product undergoes rigorous quality control to ensure durability and performance in emission control applications. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberCP3231
Color/FinishBlack
Filter Element IncludedYes
Hose Size - Inches3/8, 7/16 "
Length - Inches9.4"

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1997DodgeRam 15005.9LV8N/A
1997DodgeRam 15005.2LV8GASN/A
1997DodgeRam 15003.9LV6N/A
1997DodgeRam 25005.9LV8GASN/A
1997DodgeRam 25008.0LV10N/A
1997DodgeRam 35008.0LV10N/A
1997DodgeRam 35005.9LV8GASN/A
1996DodgeRam 15003.9LV6N/A
1996DodgeRam 15005.2LV8GASN/A
1996DodgeRam 15005.9LV8N/A
1996DodgeRam 25008.0LV10N/A
1996DodgeRam 25005.9LV8GASN/A
1996DodgeRam 35008.0LV10N/A
1996DodgeRam 35005.9LV8GASN/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:

2-700954B16595303092677653551911-241CP1371CPG1157FVCD30028

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