DURAMAX FILTRATION FIX: Cleaner Air And Fuel For Engine Longevity, Efficiency And Lowered Maintenance Costs Adam Blattenberg2015-12-28 It’s hard to believe that it’s been more than 10 years since the GM LB7 Duramax was produced. As the first generation of the popular Duramax family, the LB7 con... Diesel Tech / How-ToGM 1
