The Motorcraft ZD-30 glow plugs are OEM Ford parts designed for 7.3 Powerstroke (1994-2003) and 6.7 Powerstroke (2022+) engines. They offer a perfect fit, high durability, and a lower failure rate than other brands. These glow plugs are built to last and do not separate inside the engine, preventing damage. They are a reliable and long-lasting choice.