1517737 NEW PRIMARY ENGINE AIR FILTER Fits Caterpillar model-103-5221 The cap seats over the

The cap seats over the exhaust outlet and opens under exhaust pressure while the engine is running

Also Fits Case Tractor Models: 200B

One New Aftermarket Replacement Sun Gear Shaft Fits Caterpillar (Fits CAT) Track-Type Loaders

584Fits Hardee Rotary Cutter Models: H-CO

or Fits Case # D103220

1517737 NEW PRIMARY ENGINE AIR FILTER Fits Caterpillar model-103-5221 The cap seats over theOne New Aftermarket Replacement Primary Engine Air Filter Fits Caterpillar (Fits CAT) Construction Equipment and Generator Sets This aftermarket replacement primary engine air filter (filter element assembly) protects Fits Caterpillar (Fits CAT) engines from damaging airborne contaminants. The primary filter is the main filtration stage in the engine air cleaner assembly, capturing dust and debris before they can reach internal engine components.