Labwork Vapor Canister Vent Solenoid for 2003-10 Nissan Infiniti 911-503

What is Labwork Vapor Canister Vent Solenoid for 2003-10 Nissan Infiniti 911-503?

The Labwork Vapor Canister Vent Solenoid for 2003-10 Nissan Infiniti 911-503 is an OEM-spec replacement component designed to manage evaporative emissions in compatible Nissan and Infiniti SUVs. As part of the EVAP system, this solenoid controls vapor flow between the charcoal canister and the fuel tank, ensuring pollutants are properly contained and routed for combustion. A failing vent solenoid can trigger a check engine light, fail emissions testing, or reduce fuel efficiency—making timely replacement critical for vehicle compliance and performance. This unit is engineered as a direct fit for select models from 2003 to 2010, requiring no modifications during installation.

Key features

• OEM Equivalent — Matches OE number 911-503 for guaranteed fit and function.
• Direct Replacement — Installs easily without adapters or wiring changes.
• EVAP System Compliance — Maintains proper vapor flow to pass emissions tests.
• Durable Construction — Built to withstand underhood heat and moisture exposure.
• One-Year Warranty — Backed by Lab Work Auto for reliability assurance.
• Compatible Applications — Fits Infiniti QX56 and Nissan Armada models 2004–2010 with 5.6L engines.
• Cost-Effective Repair — Offers OEM-level performance at a fraction of dealer pricing.

Who is Labwork Vapor Canister Vent Solenoid for 2003-10 Nissan Infiniti 911-503 for?

This solenoid is ideal for owners of late-model Nissan Armada and Infiniti QX56 SUVs experiencing EVAP system faults. It suits DIY mechanics with basic hand tools and intermediate underhood experience. Professional technicians also use it for cost-effective fleet or customer repairs. It’s especially valuable for those preparing for state emissions inspections or resolving persistent check engine codes like P0446.

How does Labwork Vapor Canister Vent Solenoid for 2003-10 Nissan Infiniti 911-503 compare?

Compared to standard aftermarket solenoids, the Labwork 911-503 unit delivers precise OEM-matched performance without the high cost of dealership parts. While some budget valves may use inferior seals or coils, this model emphasizes durability and correct electrical resistance. It outperforms generic evaporative valves in fit and longevity, especially when contrasted with non-specific universal units that require modification. For owners of compatible V8 SUVs, it strikes a balance between affordability and reliability.