+3 Mass Air Flow MAF Sensor for 6.6l Duramax L5P 2017-2022 Chevy GMC 23324767 KB-23324767 $72.95 In stock Quantity: 1 Add to Bag Product Details Cross Reference:: 22951817 23324767 New Mass Air Flow Sensor. A bad MAF can cause low power or fueling issues as the ECM can not calculate the correct air volume entering the engine. Fits: 2017-2021 Chevy GMC 6.6l Duramax L5P Engines. Save this product for later Favorite