Photo 1 of 7040 Piston Ring Compressor Tool, 7040 Piston Ring Compatible with Cummins ISX/QSX, Caterpillar 3400, 3406, 3408, 3412 & C15 with 5.4" Bore, Replace for PT-7040, 5394454, 5299448, 5299447, 5299339

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Photo 1 of 7040 Piston Ring Compressor Tool, 7040 Piston Ring Compatible with Cummins ISX/QSX, Caterpillar 3400, 3406, 3408, 3412 & C15 with 5.4" Bore, Replace for PT-7040, 5394454, 5299448, 5299447, 5299339Photo 2 of 7040 Piston Ring Compressor Tool, 7040 Piston Ring Compatible with Cummins ISX/QSX, Caterpillar 3400, 3406, 3408, 3412 & C15 with 5.4" Bore, Replace for PT-7040, 5394454, 5299448, 5299447, 5299339Photo 3 of 7040 Piston Ring Compressor Tool, 7040 Piston Ring Compatible with Cummins ISX/QSX, Caterpillar 3400, 3406, 3408, 3412 & C15 with 5.4" Bore, Replace for PT-7040, 5394454, 5299448, 5299447, 5299339Photo 4 of 7040 Piston Ring Compressor Tool, 7040 Piston Ring Compatible with Cummins ISX/QSX, Caterpillar 3400, 3406, 3408, 3412 & C15 with 5.4" Bore, Replace for PT-7040, 5394454, 5299448, 5299447, 5299339