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SKU #: WLK-245-1577 MPN #: 245-1577

Walker Mass Air Flow Sensor 17-21 GM 6.6L Duramax L5P

$60.87
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Description
Is your truck running rough, lacking power, or struggling with poor fuel economy? The Walker Mass Air Flow (MAF) Sensor is designed to restore precise airflow readings so your engine can perform the way it should. By accurately measuring the amount of air entering your intake, this sensor allows your ECM to adjust fuel delivery and maintain the ideal air-to-fuel ratio properly. A failing MAF sensor can cause hesitation, sluggish acceleration, and inefficient performance, but replacing it with this direct-fit unit brings back smooth throttle response, consistent power, and improved overall drivability. Perfect for keeping your Duramax running strong, whether you're towing or daily driving. Built for reliability in demanding engine conditions, the Walker MAF Sensor is manufactured with high-quality components that withstand heat, vibration, and contamination from the intake system. Its durable construction protects the sensitive sensing elements while maintaining fast and accurate response times. Engineered to meet OE specifications and 100% tested for performance, this sensor ensures proper fit, long service life, and dependable operation in harsh diesel environments.

Is your truck running rough, lacking power, or struggling with poor fuel economy? The Walker Mass Air Flow (MAF) Sensor is designed to restore precise airflow readings so your engine can perform the way it should. By accurately measuring the amount of air entering your intake, this sensor allows your ECM to adjust fuel delivery and maintain the ideal air-to-fuel ratio properly. A failing MAF sensor can cause hesitation, sluggish acceleration, and inefficient performance, but replacing it with this direct-fit unit brings back smooth throttle response, consistent power, and improved overall drivability. Perfect for keeping your Duramax running strong, whether you're towing or daily driving.

Built for reliability in demanding engine conditions, the Walker MAF Sensor is manufactured with high-quality components that withstand heat, vibration, and contamination from the intake system. Its durable construction protects the sensitive sensing elements while maintaining fast and accurate response times. Engineered to meet OE specifications and 100% tested for performance, this sensor ensures proper fit, long service life, and dependable operation in harsh diesel environments.

Vehicle Fitment
2017-2021 GM 6.6L Duramax L5P
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
About Walker

Walker Products has built its reputation as a trusted name in the automotive aftermarket by consistently delivering high-quality Sensors and fuel system components that meet or exceed OEM standards. Founded in 1946, Walker has weathered decades of industry change, staying at the forefront of innovation while maintaining a commitment to precision and reliability. From engine sensors and fuel system components to ignition parts and carburetor kits, Walker Products has a solution for nearly every light-duty and heavy-duty vehicle on the road today.