Beck Arnley 045-0321 PCV Valve

Beck Arnley PCV Valve for Nissan and Infiniti

The Beck Arnley 045-0321 PCV valve is built for foreign nameplate applications that call for OE-style form, fit, and function. It is a direct replacement for crankcase ventilation service on select Nissan and Infiniti vehicles, including the Nissan Maxima, Nissan Pathfinder, Infiniti I30, and Infiniti QX4.

Key Features

• PCV valve for emission control and crankcase ventilation service
• Engine side size: 0.555 inch
• Outlet size: 0.42 inch
• OE-spec replacement approach for proper fit and function
• Fits 1995-2001 Nissan Maxima, N/A
• Fits 2001 Nissan Pathfinder, N/A
• Fits 1996-2001 Infiniti I30, N/A
• Fits 2001 Infiniti QX4, N/A

Detailed Description

Beck Arnley 045-0321 is a PCV valve for vehicles that require a precise crankcase ventilation component with the correct hose and port sizing. The 0.555-inch engine side size and 0.42-inch outlet size help match the original connection points used on the listed Nissan Maxima, Nissan Pathfinder, Infiniti I30, and Infiniti QX4 applications. Beck Arnley sources parts to meet foreign nameplate OE specifications, giving technicians a replacement option built around the original part’s form, fit, and function.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Excess crankcase pressure
• Oil vapor buildup in the ventilation system
• Rough idle caused by a restricted PCV valve
• Oil contamination in intake passages
• Emission system service on aging import vehicles

Installation Notes and Tips

Verify hose routing and port size before installation, especially when servicing a Nissan Maxima, Nissan Pathfinder, Infiniti I30, or Infiniti QX4. Inspect the surrounding crankcase ventilation hoses for cracks, soft spots, or blockage so the new valve can operate correctly. Confirm the engine side and outlet dimensions match the original component before final assembly.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. Product specialists work with global sourcing partners to help ensure the replacement part matches the intended application.