The Kramp A171255 is a high-quality aftermarket air filter outer case designed for various International Harvester (IH) agricultural applications. This essential component protects the inner air filter element from larger debris and environmental contaminants, ensuring a clean air supply to the engine. Manufactured to meet or exceed OEM specifications, the A171255 provides reliable performance and extends the life of your engine by maintaining efficient air filtration. It is a direct replacement for OEM part numbers such as Case IH 3055977R91 and 3055977R92.