Diesel Parts of America (DPA), based in Nashville, Tennessee, is a prime manufacturer and remanufacturer of diesel fuel injectors and related sensors. Specializing in replacement injectors for engine brands like Caterpillar, Cummins, Detroit Diesel, Navistar, Ford Power Stroke, Volvo, John Deere, and Scania, DPA produces components entirely in-house—from raw materials to finished products—including electronic injectors and pressure sensors. Every unit undergoes rigorous testing and inspection to meet original equipment performance standards. With a 12‑month warranty for North America and export distribution for major OEM brands such as Bosch, Delphi, and Stanadyne, DPA serves the heavy‑duty diesel market with quality and reliability.