Beck Arnley 045-0427 PCV Valve

PCV Valve for Mazda Applications

Beck Arnley 045-0427 is a PCV valve built to match foreign nameplate OE specifications for form, fit, and function. It is a direct-fit emission control replacement for select Mazda vehicles, including the Mazda MX-5 Miata, Mazda 3, Mazda CX-3, and Mazda CX-5.

• OE-style replacement PCV valve for crankcase ventilation service
• Built to Beck Arnley foreign nameplate OE specifications
• Supports proper crankcase ventilation and engine vacuum control
• Fits 2016-2025 Mazda MX-5 Miata, N/A
• Fits 2012-2021 Mazda 3, N/A
• Fits 2016-2021 Mazda CX-3, N/A
• Fits 2013-2016 Mazda CX-5, N/A

Detailed Fitment and Function

This Beck Arnley 045-0427 PCV valve is sourced to match the original equipment specification used on select Mazda platforms. It is a practical replacement for Mazda MX-5 Miata, Mazda 3, Mazda CX-3, and Mazda CX-5 models where the crankcase ventilation valve needs to be restored to proper operating condition.

This part cross-references no listed aftermarket part numbers in the provided data.

What This PCV Valve Helps Address

• Rough idle caused by a sticking or restricted PCV valve
• Excess crankcase pressure from poor ventilation flow
• Oil vapor buildup in the intake system
• Vacuum irregularities related to PCV system wear
• Emission control faults tied to crankcase ventilation performance

Installation Notes and Tips

Verify the year, model, and engine application against the vehicle before installation. Inspect the PCV hose, grommet, and surrounding ventilation components for wear or blockage so the replacement valve can operate correctly after service.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. The brand works with global sourcing partners to help ensure the correct replacement part is selected for the application.