This is an air cleaner collar used on carburetors found in outdoor power equipment. The air cleaner prevents dirt, dust, or debris from entering the engine, preventing serious problems. The air cleaner collar attaches to the carburetor and provides support to the air filter.A new air cleaner collar may be needed if the original is broken, cracked, or damaged in any way. A functional air cleaner collar is vital to keep dirt and debris out of the engine.This part is a genuine Tecumseh part and is an OEM part sourced directly from the manufacturer and it is sold individually. This air cleaner collar is compatible with four-cycle horizontal engines that are manufactured by Tecumseh or Husqvarna.