Masport 557278 Driven Sprocket, 9 Teeth NetSuite-ID_507158 3 lawn mower Blades are

3 lawn mower Blades are required for a 61" cut

Fits CH 730 and CH 740 model engines with Spark Advance Modules (SAM)

Uses Oregon 45-259 and 45-257 bearings

Electric start option eliminates the need to pull a rope

flexible inner wire with spring on end

Masport 557278 Driven Sprocket, 9 Teeth NetSuite-ID_507158 3 lawn mower Blades areMany parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement. WARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov