The International 5900i 2015 Through 2017 Flex Bellows Kit is a reliable and durable solution for preventing exhaust leaks and maintaining engine efficiency. This kit includes a 3.5-inch inside diameter exhaust bellow, 2 clamps, and 2 gaskets, providing a complete installation. Engineered in North America with high-quality materials, this flex pipe is a direct replacement for the original pipe, ensuring a proper fit and performance. It fits most International 5900i 2015-2017 models with ISX 11.9, ISX 15.0, and MaxxForce 13 engines. Trustworthy construction and quality testing make this kit a practical choice for long service life. Direct OE replacement number: Navistar 4037288C92.