Combined head gasket and piston ring kit – includes complete cylinder head gasket set plus 6 piston ring sets (3 rings per piston) for one Cummins 5.9L 12V 6B / 6BT / 6BTA engine.
Fits 5.9L 12-valve Dodge Ram trucks – designed for 1989–1998 Dodge Ram 2500 and 3500 models using the 5.9L 12V Cummins (VE and P-pump engines); also suitable for many 6B / 6BT / 6BTA industrial and agricultural applications.
Standard bore 102 mm rings – STD size piston rings for 102 mm cylinder bore, ideal when cylinders measure within standard specifications during overhaul or in-frame rebuild.
Includes key upper-engine components – multi-layer head gasket, intake and exhaust gaskets, valve cover gaskets, valve stem seals, injector and coolant seals, plus seals and washers shown, to refresh the top end during rebuild.
Replacement for OEM reference numbers – cross-references 4089649, 3804897, 3802421 and others; always compare engine model, year and measurements before ordering to confirm correct fitment.