Enhance your Detroit Diesel SERIES 60 11.1 & 12.7 engines with the New CHRA, models TMF5501, TMF5502, part number 444964-9001, from GARRETT. This CHRA is designed to restore or improve your turbocharger's efficiency and power. It comes with a 1-year manufacturer's warranty. Key cross-reference numbers include 171-025-6256 and 23505786.