HY-SPEED Evaporative Emissions Purge Valve for Mustang Ecoboost 2.3L (2015–2021) — Replaces FR3Z-9G297-H, OEM-fit

HY-SPEED Evaporative Emissions Vapor Canister Purge Valve 994-554 replaces FR3Z-9G297-H and restores proper EVAP vapor control for 2015–2021 Mustang Ecoboost 2.3L models.

This aftermarket purge valve is designed to match the fit and function of the original equipment solenoid on Mustang Ecoboost and Ecoboost Premium 2.3L engines from 2015 through 2021. Built to a close-to-OEM specification, the unit swaps directly into the factory connector and vacuum lines for a quick, straightforward replacement. It helps regulate the flow of fuel vapors from the charcoal canister into the intake manifold, supporting the vehicle’s evaporative emissions system and combustion balance.

How does this purge valve fit my Mustang and how do I confirm compatibility?

Compatibility is determined by model year, engine type, and the part reference number. This HY-SPEED valve fits Mustang Ecoboost 2.3L models across 2015–2021 and is sold as a replacement for FR3Z-9G297-H (part number 994-554).

• Designed for Mustang Ecoboost/Ecoboost Premium 2.3L (2015–2021).
• Replacement number: FR3Z-9G297-H; confirm OE number before purchase.
• Compare photos of your old valve with the listing images to ensure proper match.

What should I expect during installation and how long does it take?

Installation is intended to be quick and user-friendly. The HY-SPEED valve uses a near-OEM connector and a quick-connect vacuum fitting so most replacements take about 15 minutes for an experienced DIYer or technician.

• Plug-and-play design with OEM-style electrical connector.
• Push-in vacuum fitting must click fully to prevent leaks.
• No complex calibration or programming required in most cases.

What symptoms indicate the purge valve needs replacing?

Failing purge valves often present drivability or emissions-related symptoms but can vary in severity. If the valve sticks open or closed, the engine may run rough, experience rough idling, or trigger an EVAP-related check engine light.

• Illuminated check engine light with EVAP system codes.
• Rough idle, hesitation, or decreased fuel efficiency.
• Fuel vapor smell or trouble passing emissions tests in some cases.

What warranty and post-purchase support does HY-SPEED provide?

HY-SPEED backs this purge valve with a 12-month warranty to protect against manufacturing defects. The listing recommends verifying the part picture before purchase and provides direct seller contact for questions or fitment concerns.

• 12 months limited warranty included.
• Seller support available via Amazon Message for fitment help.
• Return or replacement options detailed in the product’s warranty terms.

Who is this for: This HY-SPEED 994-554 purge valve is aimed at Mustang owners, mechanics, and independent repair shops replacing a faulty EVAP purge solenoid on 2015–2021 2.3L Ecoboost vehicles. It’s suitable for anyone needing a direct-fit replacement without aftermarket programming, and for those who prefer a quick plug-and-play installation that mirrors OEM connections. Before ordering, confirm your vehicle’s OE part number matches FR3Z-9G297-H to ensure correct fitment.