The product is a Navistar International AC HOSE that is a compatible replacement for the condenser hose on models 4100 and 4300. It is manufactured in the United States and is designed for placement in the engine compartment. The part numbers associated with this hose are 3612960C91, C92, and C93, making it a reliable fit for specific International vehicle models. This new old stock (NOS) hose is a high-quality component for maintaining the air conditioning and heating system in your vehicle.