For GM Duramax 6.6L V8 2004-2013 Chevy/GMC Fuel Filters Diesel Engine
12642623 filter head:
Made of billet aluminum,we used the electrophoresis process to treat the surface of the base,protect it from oxidation and corrosion.Also includes a heater plug.The aluminum air bleeder screw which replaced plastic OEM screw was more durable.The hand fuel pump and two tubes were made of iron,oxidation surface treatment.
1R-0750 Adapter Refit Head:
High-Flow,Increased Filtration and Lower Cost Filter Replacements,Billet Aluminum, Black-Anodized CNC machined adapter designed to allow you to replace the poor-quality OEM filter with a superior quality spin-on filter element.
We improved the process of the adapter head¡¯s bolt,you don¡¯t need to remove the check ball on the 12642623 fuel filter head anymore before combine these two parts.