Right now there are 158 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Automotive › Replacement Parts › Sensors › Mass Air Flow. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: A-Premium, Bosch, ENA, GM GENUINE PARTS, Hitachi, Delphi, Beck/Arnley, Cardone. Every item is a one-off, so the stock moves all day and new deals keep arriving.