HomeEmission Control > Crankcase Ventilation SystemBeck Arnley 045-0456 PCV Valve
Part #: 045-0456

Beck Arnley 045-0456 PCV Valve

32 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 3, 6, CX-30, and CX-5
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Reliable PCV Valve for Mazda 3, 6, CX-5, CX-30, and CX-50

The Beck Arnley 045-0456 PCV valve is designed to maintain proper crankcase ventilation in select Mazda vehicles. This part ensures efficient emission control and engine performance for Mazda 3, 6, CX-5, CX-30, and CX-50 models.

  • Direct replacement PCV valve for specific Mazda models
  • Compatible with Mazda 3, 6, CX-5, CX-30, and CX-50
  • Part number 045-0456 for precise identification
  • Supports emission control by regulating crankcase gases
  • Manufactured by Beck Arnley, a trusted automotive parts brand

Product Details and Compatibility

The Beck Arnley 045-0456 PCV valve is engineered to meet or exceed OEM specifications for crankcase ventilation systems. It is compatible with multiple Mazda vehicles, including the Mazda 3, Mazda 6, CX-5, CX-30, and CX-50, ensuring proper fit and function. This PCV valve helps control the release of harmful gases from the engine crankcase, contributing to cleaner emissions and improved engine efficiency.

Purpose and Common Issues Addressed

  • Prevents excessive oil consumption caused by faulty PCV valves
  • Reduces engine rough idling and stalling related to crankcase ventilation problems
  • Helps avoid increased emissions and failed emission tests
  • Minimizes potential engine sludge buildup from improper ventilation
  • Maintains optimal engine vacuum and pressure balance

Installation Notes and Tips

Installation of the Beck Arnley 045-0456 PCV valve should be performed following the vehicle manufacturer’s guidelines. Ensure the engine is cool before removal of the old valve. Inspect the connecting hoses for cracks or damage and replace if necessary. Proper seating of the PCV valve is critical to prevent vacuum leaks and ensure correct operation.

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet strict quality standards, providing reliable performance and durability. The 045-0456 PCV valve undergoes rigorous testing to ensure compatibility and function with the specified Mazda models. Warranty coverage details can be obtained from the product documentation or Beck Arnley directly.

This part fits 32 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025MazdaCX-502.5LL4N/A
2024MazdaCX-502.5LL4N/A
2023MazdaCX-502.5LL4N/A
2022Mazda32.0LL4N/A
2022MazdaCX-302.5LL4N/A
2022MazdaCX-52.5LL4N/A
2021Mazda32.5LL4N/A
2021Mazda62.5LL4N/A
2021MazdaCX-302.5LL4N/A
2021MazdaCX-52.5LL4N/A
2020Mazda32.5LL4N/A
2020Mazda62.5LL4N/A
2020MazdaCX-302.5LL4N/A
2020MazdaCX-52.5LL4N/A
2019Mazda32.5LL4N/A
2019Mazda62.5LL4N/A
2019MazdaCX-52.5LL4N/A
2018Mazda32.5LL4N/A
2018Mazda62.5LL4N/A
2018MazdaCX-52.5LL4N/A
2017Mazda32.5LL4N/A
2017Mazda62.5LL4N/A
2017MazdaCX-52.5LL4N/A
2016Mazda32.5LL4N/A
2016Mazda62.5LL4N/A
2016MazdaCX-52.5LL4N/A
2015Mazda32.5LL4N/A
2015Mazda62.5LL4N/A
2015MazdaCX-52.5LL4N/A
2014Mazda32.5LL4N/A
2014Mazda62.5LL4N/A
2014MazdaCX-52.5LL4N/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:

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