Oregon 792-031 Set of 3 Mower Blades, 20-1/2" Compatible with Exmark 103-6403-S NetSuite-ID_489232 and Quantum engines with primer

and Quantum engines with primer bulb

Fits EXMARK 103-6401-S Many parts look similar

Troy-Bilt - OEM-742-04308

Spark Plug Reach (mm): 26

Fits many 2690475 / 7800071 / 7800157

Oregon 792-031 Set of 3 Mower Blades, 20-1/2" Compatible with Exmark 103-6403-S NetSuite-ID_489232 and Quantum engines with primerOregon replacement lawn mower blades are made to the exact OEM specification for optimum performance. Our blades are individually straightened and hardened to provide a consistent, clean cut and increase blade longevity. Fits models: Encore 543294, Exmark 103 383 S, Exmark 103 6383, Exmark 103 6388, Exmark 103 6383 S, Exmark 103 6388 S, Exmark 103 6403, Exmark 103 6398 S, Exmark 116 8181, Exmark 116 8181 S, Exmark 116 8196, Exmark 116 8196 S, J Thomas