View 5 Photos View 0 Videos OEM Cummins Engine Piston Kit STD for B3.9 ISB 6B B5.9 B4.5, Part # 4089260 / 3949807 Newly Listed $299.99 USD OEM Cummins 4089260 Engine Piston Kit STD Piston B B3.9 ISB 6B B5.9 B4.5 4089260 3949807, Core Charge: 0.00 ConditionNewStock Number180878 MLS Number14662210CategoryPistons & Rod Parts Last Updated10/14/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos New Cummins ISB Piston, Part # 4955365 Contact for price IMC M-4955365 ISB Piston, Core Charge: 0.00 ConditionNewPart Number4955365Stock NumberM-4955365-D MLS Number12727015CategoryPistons & Rod Parts Last Updated6/13/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info