Standard Ignition CP721 Vapor Canister Purge Solenoid

Vapor Canister Purge Solenoid for Mazda Applications

Standard Ignition CP721 is a vapor canister purge solenoid for emission control service on select Mazda vehicles. It is built with a female connector, round-rectangle connector shape, male blade terminals, and an included filter element to support a direct-fit electrical and vacuum connection.

Compatible With 1998-2002 Mazda 626 and 1999-2005 Mazda Miata, this purge solenoid is a practical replacement when the evaporative emissions system needs attention. Standard Ignition CP721 is also cross-referenced to Monroe Shocks & Struts 172286 and 182286 for the same application.

Key Features

• Vapor canister purge solenoid for emission control repair
• Female connector with 1 connector interface
• Round-rectangle connector shape for OE-style fitment
• 2-port design with included filter element
• Male blade terminals with 2-terminal configuration
• Fits Mazda Miata and Mazda 626 applications listed below
• Standard Ignition CP721 replacement part number

Detailed Product Overview

This purge solenoid helps regulate vapor flow from the charcoal canister into the engine intake during evaporative emissions operation. Standard Ignition CP721 is specified for Mazda Miata models from 1999 through 2005 and Mazda 626 models from 1998 through 2002, making it a focused solution for common EVAP service needs on these vehicles. The CP721 part number is also listed with interchange coverage for related aftermarket references.

What It Helps Address

• Check engine light concerns related to EVAP purge control
• Fuel vapor routing issues from a sticking or failed solenoid
• Rough idle or drivability complaints tied to purge flow faults
• Emissions test failures caused by purge system malfunction
• Vacuum control problems in the evaporative emissions circuit

Installation Notes and Tips

Verify connector style, port layout, and terminal configuration before installation. Confirm the vehicle application by year and model: Fits 1999-2005 Mazda Miata, N/A; Fits 1998-2002 Mazda 626, N/A. Inspect related EVAP hoses, electrical connectors, and vacuum lines for damage or contamination during replacement. Use the CP721 part number to match the correct purge solenoid when comparing listings or service references.

Quality Assurance

Standard Ignition supplies emission control components for service replacement applications. This part is identified as a vapor canister purge solenoid with the listed connector, terminal, and port specifications for Mazda Miata and Mazda 626 fitment.