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Standard Ignition V503 PCV Valve
| Brand | Standard Ignition V503 |
|---|---|
| Contents | Valve |
| Hose Size - Inches | 1/4 |
| Hose Size - mm | 8 mm |
| Thread Size - Metric | M16 x 1.5 |
| Thread Size - NPT | 5/8"-24 |
| Fits | INFINITI and Nissan · 58 vehicles |
Screw-in design. Installs with a threaded connection for a secure fit.
Plastic construction. Lightweight material resists corrosion in service.
PCV valve. Helps regulate crankcase ventilation flow.
Cross-references Autotecnica NI1414410, Beck/Arnley 045-0446 and Standard Ignition V503 for the same application. See all 11.
Standard Ignition V503 PCV Valve
The Standard Ignition V503 is a screw-in PCV valve for crankcase ventilation service on select Nissan and INFINITI applications. Built with a black plastic body and a single 1/4 in. hose connection, it is specified for vehicles such as the Nissan 370Z and INFINITI G37, Q50, Q60, Q70, Q70L, QX50, and QX70.
Key Features
- Screw-in PCV valve design for direct replacement service
- Black plastic construction
- One hose connector with 1/4 in. hose size, also listed as 8 mm
- Thread specifications include M16 x 1.0, M16 x 1.5, and 5/8"-24
- No cap, gasket, connector, or mounting bracket included
- Fits select 2008-2020 Nissan and INFINITI vehicles
Detailed Description
Standard Ignition V503 is a replacement PCV valve for emission control and crankcase ventilation systems. It uses a screw-in attachment method and a single hose outlet to route crankcase vapors through the engine ventilation system. The valve is listed with a black plastic housing, no connector, and no gasket included, making it a straightforward service part for maintenance on the specified Nissan and INFINITI platforms. This part cross-references Beck/Arnley 045-0446 for the same application. Standard Ignition V503 is a direct-fit option for drivers servicing a Nissan 370Z PCV valve or an INFINITI G37 PCV valve, as well as related Q-series and FX/QX applications.
Vehicle Fitment
- Fits 2009-2020 Nissan 370Z, N/A
- Fits 2014-2019 INFINITI Q70, N/A
- Fits 2015-2019 INFINITI Q70L, N/A
- Fits 2014-2018 INFINITI Q50, N/A
- Fits 2014-2017 INFINITI QX50, N/A
- Fits 2014-2017 INFINITI QX70, N/A
- Fits 2015 INFINITI Q40, N/A
- Fits 2014-2015 INFINITI Q60, N/A
- Fits 2013 INFINITI EX37, N/A
- Fits 2013 INFINITI FX37, N/A
- Fits 2008-2013 INFINITI G37, N/A
- Fits 2011-2013 INFINITI M37, N/A
- Fits 2012 INFINITI EX35, N/A
Installation Notes and Tips
Verify thread size and hose connection before installation. The V503 is a screw-in PCV valve, so the existing threaded port must match the listed specifications. Inspect the hose for wear, oil saturation, or cracking before reassembly, and confirm the valve seats properly after installation. For fitment searches, this part is commonly referenced for 2009-2020 Nissan 370Z and 2008-2013 INFINITI G37 PCV valve replacement service.
Quality Assurance
Standard Ignition supplies replacement emission control components for service applications, and the V503 is cataloged with OE-style fitment references for the listed Nissan and INFINITI vehicles. Confirm the part number V503 and vehicle application before ordering.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Nissan | 370Z | — | — | — | N/A | — |
| 2019 | INFINITI | Q70 | — | 3.7L | V6 | N/A | — |
| 2019 | INFINITI | Q70L | — | 3.7L | V6 | N/A | — |
| 2019 | Nissan | 370Z | — | — | — | N/A | — |
| 2018 | INFINITI | Q50 | — | 3.7L | V6 | N/A | — |
| 2018 | INFINITI | Q70 | — | 3.7L | V6 | N/A | — |
| 2018 | INFINITI | Q70L | — | 3.7L | V6 | N/A | — |
| 2018 | Nissan | 370Z | — | — | — | N/A | — |
| 2017 | INFINITI | Q50 | — | 3.7L | V6 | N/A | — |
| 2017 | INFINITI | Q70 | — | 3.7L | V6 | N/A | — |
| 2017 | INFINITI | Q70L | — | 3.7L | V6 | N/A | — |
| 2017 | INFINITI | QX50 | — | — | — | N/A | — |
| 2017 | INFINITI | QX70 | — | 3.7L | V6 | N/A | — |
| 2017 | Nissan | 370Z | — | — | — | N/A | — |
| 2016 | INFINITI | Q50 | — | 3.7L | V6 | N/A | — |
| 2016 | INFINITI | Q70 | — | 3.7L | V6 | N/A | — |
| 2016 | INFINITI | Q70L | — | 3.7L | V6 | N/A | — |
| 2016 | INFINITI | QX50 | — | — | — | N/A | — |
| 2016 | INFINITI | QX70 | — | 3.7L | V6 | N/A | — |
| 2016 | Nissan | 370Z | — | — | — | N/A | — |
| 2015 | INFINITI | Q40 | — | 3.7L | V6 | N/A | — |
| 2015 | INFINITI | Q50 | — | 3.7L | V6 | N/A | — |
| 2015 | INFINITI | Q60 | — | — | — | N/A | — |
| 2015 | INFINITI | Q70 | — | 3.7L | V6 | N/A | — |
| 2015 | INFINITI | Q70L | — | 3.7L | V6 | N/A | — |
| 2015 | INFINITI | QX50 | — | — | — | N/A | — |
| 2015 | INFINITI | QX70 | — | 3.7L | V6 | N/A | — |
| 2015 | Nissan | 370Z | — | — | — | N/A | — |
| 2014 | INFINITI | Q50 | — | 3.7L | V6 | N/A | — |
| 2014 | INFINITI | Q60 | — | — | — | N/A | — |
| 2014 | INFINITI | Q70 | — | 3.7L | V6 | N/A | — |
| 2014 | INFINITI | QX50 | — | — | — | N/A | — |
| 2014 | INFINITI | QX70 | — | 3.7L | V6 | N/A | — |
| 2014 | Nissan | 370Z | — | — | — | N/A | — |
| 2013 | INFINITI | EX37 | Base | — | — | N/A | — |
| 2013 | INFINITI | EX37 | Journey | — | — | N/A | — |
| 2013 | INFINITI | FX37 | — | — | — | N/A | — |
| 2013 | INFINITI | G37 | — | — | — | N/A | — |
| 2013 | INFINITI | M37 | — | — | — | N/A | — |
| 2013 | Nissan | 370Z | Base | — | — | N/A | — |
| 2013 | Nissan | 370Z | Nismo | — | — | N/A | — |
| 2013 | Nissan | 370Z | Touring | — | — | N/A | — |
| 2012 | INFINITI | EX35 | — | — | — | N/A | — |
| 2012 | INFINITI | G37 | — | — | — | N/A | — |
| 2012 | INFINITI | M37 | — | — | — | N/A | — |
| 2012 | Nissan | 370Z | Base | — | — | N/A | — |
| 2012 | Nissan | 370Z | Nismo | — | — | N/A | — |
| 2012 | Nissan | 370Z | Touring | — | — | N/A | — |
| 2011 | INFINITI | G37 | — | — | — | N/A | — |
| 2011 | INFINITI | M37 | — | — | — | N/A | — |
| 2011 | Nissan | 370Z | Base | — | — | N/A | — |
| 2011 | Nissan | 370Z | Nismo | — | — | N/A | — |
| 2011 | Nissan | 370Z | Touring | — | — | N/A | — |
| 2010 | INFINITI | G37 | — | — | — | N/A | — |
| 2010 | Nissan | 370Z | — | 3.7L | V6 | N/A | — |
| 2009 | INFINITI | G37 | — | — | — | N/A | — |
| 2009 | Nissan | 370Z | — | — | — | N/A | — |
| 2008 | INFINITI | G37 | — | — | — | N/A | — |
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