Genuine Cummins 5312664 Aftercooler O-Ring Kit QSC Cummins aftercooler O-ring kit. Early aftercoolers use 3 O-Rings, later use 4. Kit includes 4 O-Rings. Does not include small tube O-rings, only...
Genuine Caterpillar Aftercooler Flange O-rings for 242-5336 aftercooler assembly. Also suits other CAT models and systems. Genuine CAT 5K-5959 Aftercooler O