QSB4.5 Cummins V Ribbed Belt 3288724 Parts Catalog Ref No. Part Name Part No. Required 1 Belt Tensioner Bracket 3919736 1 2 Flat Head Cap Screw 3925186 2 3 Belt Tensioner 3978022 1 4 Hexagon Flange Head Cap Screw 3904446 1 5 V Ribbed Belt 3288724 1 Above is the introduction of the 3288724 Cummins V Ribbed Belt, while …