The MTD 951-14093 Carburetor Assembly Primer HY helps supply the engine with the proper air and fuel mixture for starting and normal operation on compatible MTD equipment. This carburetor assembly meters fuel and air while the primer assists with delivering fuel during engine startup, supporting easier ignition and consistent fuel flow. It is a practical replacement for a clogged, dam... https://www.wholetoolbox.com/mtd-951-14093-carburetor-assembly-primer-hy/951-14093.html