The Holset Cummins HX55W Turbocharger 4046132H, offered by Proturbo, is a premium-quality new turbocharger designed for Cummins ISX2 and Signature 600 engines. This turbo, featuring the HX55W model, is renowned for its exceptional performance and durability. It comes with a 1-year manufacturer's warranty, ensuring reliability and quality. While the specific compatible years are not mentioned, it includes cross-reference numbers like 4046127, and more.