The video above provides you a tutorial on how to replace the PCV valve on the Infiniti G35. There are various replacement Positive Crankcase Ventilation Valve parts on Amazon. See them below:
- Beck Arnley 045-0347 Positive Crankcase Ventilation Valve
- Infiniti 11810-8J102, PCV Valve (Official Infiniti Part)
- OES Genuine PCV Valve for select Infiniti/Nissan models
- Standard Motor Products V399 PCV Valve
- PTC PCV2386 PCV Valve
You may also want to consider replacing the PCV O-Ring on your Infiniti.