The Delphi NLVP1790 Diesel Vacuum Pump is engineered to provide reliable vacuum assistance in 6.5L diesel engines, ensuring optimal performance of critical systems such as brakes and HVAC. Designed for belt-driven applications, this pump is compatible with various 6.5L diesel models, including those in the C/K Series Trucks (1992-1994), Blazer, Suburban, and Tahoe (1995-2000), as well as G Series Vans (1995-2000). Its robust construction and precise engineering make it a dependable choice for maintaining vehicle efficiency and safety. The pump features a metal housing and a single inlet port with a 0.375-inch inside diameter, aligning with Delphi's commitment to quality and durability. This component is manufactured in an ISO-certified facility, utilizing validated parts to meet or exceed original equipment requirements. By choosing the Delphi NLVP1790, fleet operators can ensure consistent vacuum performance, contributing to the overall reliability and safety of their vehicles.