Keep the fuel mixture on target with the Standard Ignition Mass Air Flow Sensor MAS0208. This sensor measures the air entering the engine so the powertrain control module can calculate the correct amount of fuel to deliver. It drops in as a direct-fit replacement for the listed applications, including the 2003-2008 Infiniti FX35 [V6-3.5L], 2004-2007 Infiniti G35 [V6-3.5L], and 2003-2006 Nissan 350Z [V6-3.5L].
- Measures intake airflow: reports the air entering the engine to the ECM so it can meter fuel accordingly.
- Direct-fit replacement: a direct-fit replacement for the listed applications.
- Signs it may need replacing: rough idle, hesitation, stalling, poor fuel economy, or an illuminated check engine light — diagnose the cause before replacing, as these symptoms can have other sources.
Fitment (engine codes verbatim): 2003-2008 Infiniti FX35 [V6-3.5L] · 2004-2007 Infiniti G35 [V6-3.5L] · 2003-2006 Nissan 350Z [V6-3.5L] · 2004-2007 Nissan Altima [L4-2.5L] · 2004-2007 Nissan Altima [V6-3.5L] · 2004-2008 Nissan Maxima [V6-3.5L] · 2003-2007 Nissan Murano [V6-3.5L] · 2012-2021 Nissan NV2500 [V6-4.0L] · 2012-2021 Nissan NV3500 [V6-4.0L] · 2004-2009 Nissan Quest [V6-3.5L] · 2004-2005 Nissan Sentra [L4-2.5L]. See the Buyer's Guide tab to confirm your vehicle.
Interchange: Manufacturer part number MAS0208.
Frequently Asked Questions
What does this mass air flow sensor do?
It measures the air entering the engine and reports it to the ECM, which uses that reading to calculate how much fuel to deliver.
Will the MAS0208 fit my vehicle?
It is a direct-fit replacement for the listed applications, such as the Nissan Altima, Maxima, Murano, Quest, and NV2500/NV3500. Check the Buyer's Guide tab to confirm your vehicle and engine.
What are signs this sensor may need replacing?
Rough idle, hesitation, stalling, poor fuel economy, or a check engine light. These can have other causes, so diagnose before replacing.
How many sensors do I need?
Each listed application uses one sensor per the fitment data, so a single MAS0208 covers the replacement for those vehicles.
Which engines does this sensor cover?
The listed applications include L4-2.5L, V6-3.5L, and V6-4.0L engines. Confirm your specific engine in the Buyer's Guide tab.
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