The 6778 and 6779 Injector Pullers allow you to safely extract injectors from the cylinder head without damaging the injector cup, making repairs easier and safer. The 6778 and 6779 pullers let you safely extract injectors from the cylinder head without damaging the injector cup - seriously, trying to remove Duramax... 6778 Injector Puller, 6779 Injector Puller, and 7222 Injector Tube Remover/Installer Tools are designed specifically Compatible with GM 6.6L Duramax Diesel... LONG-LASTING PERFORMANCE AND EFFICIENCY – These professional-grade tools are carefully tested and designed to handle everything from quick fixes to complex engine repairs. They help you work faster, save money, and make even tough jobs more manageable, all while delivering reliable results. DURABLE MATERIAL AND RUST RESISTANCE – Made from high-quality steel, these tools are built tough to handle demanding tasks. Similarly, the 6778 and 6779 Injector Pullers offer equivalent performance to J-46594., Whether you're tackling routine repairs or addressing more complex engine issues, these tools get the job done efficiently and provide excellent value. 7222 Injector Puller Detroit Diesel 6778 &6779 Injector Puller+7222 Injector Tube Remover 7th Injector Otc 6778 Injector Puller For Gm Duramax Engine 6 6778 Injector Puller Drawing Tool Used In 2001~2004 To Replace OTC Otc 6779