SecosAutoparts Air Intake Resonator Duct Compatible with 2020-2024 Nissan Sentra 2.0L, Upper Inlet Chamber Air Cleaner Duct, Replaces 16554-6LB0B 165546LB0B

What Does the Air Intake Resonator Do?Noise Reduction: The resonator is a tuned acoustic chamber (similar to a muffler for the intake side). It's designed to cancel specific frequencies of intake noise, keeping the cabin quiet. Without it, you'll hear a loud "whoosh" or "honk" every time you accelerate.Airflow Smoothing: The engine's intake valves create pulsating suction. The resonator acts as a buffer volume that smooths these pulses, providing more consistent airflow to the MAF (Mass Air Flow) sensor and throttle body. This helps the engine computer maintain accurate fuel metering.Air Path Integrity: As part of the sealed intake system, the resonator ensures ALL air entering the engine passes through the air filter first. A cracked resonator allows unfiltered air (containing dust, dirt, and debris) to bypass the filter and enter the engine — causing accelerated wear on internal components.Manufacturer Part Number:16554-6LB0BFitment:Fit for Nissan Sentra 2020-2024 2.0LPackage include:1pc Air Intake Resonator Inlet Upper Duct Chamber

• Fitment: Fit for 2020-2024 Nissan Sentra 2.0L — All Trim Levels: Direct replacement air intake resonator duct for the 8th generation Nissan Sentra (B18 platform) equipped with the 2.0L MR20DD engine. Compatible with all trim levels: S, SV, and SR. Mounts between the air filter box and the throttle body intake tube as the upper inlet chamber.
• Manufacturer Part Number: 16554-6LB0B 165546LB0B. To verify, check the part number on your existing resonator (stamped on the plastic housing). If it matches, this is the correct replacement.
• Air Intake Resonator — Reduces Engine Intake Noise and Smooths Airflow: The intake resonator is a tuned chamber in the air intake system that reduces intake noise (the "whooshing" or "honking" sound) and helps smooth pulsating airflow before it reaches the engine. When cracked or damaged, you'll hear louder engine intake noise, may get a check engine light, and potentially experience rough idle or reduced fuel economy.
• Easy Plug-and-Play Installation — 15-20 Minutes, Basic Tools Only: Mounts in the factory location using existing clamps and connections. No cutting, drilling, or modification needed. Simply loosen the hose clamps on the old resonator, disconnect it from the air filter box and intake tube, swap in the unit, and re-tighten clamps. Tools needed: flathead screwdriver or 8mm/10mm socket for hose clamps.
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