Standard Ignition CP3738 Vapor Canister

Vapor Canister for Toyota Prius and Prius Prime

Standard Ignition CP3738 is a vapor canister for the evaporative emission control system. It uses a charcoal filter element to capture fuel vapors and includes a black housing with one rectangular female connector, seven male pin terminals, and three ports for OE-style routing.

Key Features

• Charcoal filter media for evaporative vapor storage
• Black finish for a clean OE-style appearance
• One rectangular female connector with seven male pin terminals
• Three-port layout for evaporative system connections
• Filter element included
• Standard Ignition CP3738 replacement part

Detailed Description

Standard Ignition CP3738 is built for evaporative emissions service on select Toyota hybrid applications. It is compatible with 2016-2022 Toyota Prius and 2017-2022 Toyota Prius Prime, making it a direct-fit vapor canister option for drivers searching for a Toyota Prius vapor canister or Prius Prime evaporative system replacement. The charcoal media stores fuel vapors from the EVAP system until they can be purged back into the engine, helping maintain proper emissions-system operation. This part cross-references 2-70598 for the same application.

What It Helps Address

• EVAP leak codes related to vapor storage or canister performance
• Fuel vapor odor around the vehicle
• Failed emissions inspection tied to evaporative system faults
• Damaged or saturated charcoal canister media
• Connector or port mismatch during vapor canister replacement

Installation Notes and Tips

Verify connector style, terminal count, and port layout before installation. Inspect EVAP hoses, seals, and related purge components for damage or blockage while replacing the canister. Confirm the vehicle application by model year before ordering CP3738 for a Prius or Prius Prime.

Quality Assurance

Standard Ignition supplies emission control components for service replacement applications. CP3738 is built with the listed connector, terminal, port, and filter specifications to support proper fitment on the confirmed Toyota Prius and Toyota Prius Prime applications.