The Case IH 87400640 Air Duct is an original equipment manufacturer (OEM) component designed to maintain proper airflow within your agricultural machinery. This genuine air duct is crucial for the efficient operation of the HVAC system in various Case IH MXM series tractors, including MXM120, MXM130, MXM140, MXM155, MXM175, and MXM190 models. Constructed from durable materials, it ensures a secure fit and long-lasting performance, preventing dust and debris from entering sensitive areas.