The Case IH 428862A1 is a genuine OEM exhaust manifold designed for various Case IH MX and STX series agricultural tractors. This critical engine component is engineered to efficiently collect exhaust gases from multiple cylinders and direct them into a single exhaust pipe, maintaining proper engine backpressure and performance. Manufactured to original equipment specifications, it ensures a precise fit and reliable operation, crucial for the longevity and efficiency of your Case IH machinery. Replaces part numbers 87400030 and 87693028.