Oregon 557504 Combo 180GDBK041/20BPX072 SDGThis 18" guide bar and chain combination features a . 325, chain ideal for occasional commercial users. The low vibration micro chisel cutters offer excellent performance, easy maintenance and low kickback. The AdvanceCut guide bar features a small radius multi rivet nose for good durability and control. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our

45/64" x 53-3/8"

Code: 1427459

INNERTUBE 410/350-5 BENT VALVE Many parts look similar

Fits Kubota B1550

3/8" pitch chain that is ideal for homeowners and occasional chainsaw uses

Fits: HS521/621 models

The heat treatment helps the Blade resist bending or breaking on the job

Major brand replacement: John Deere and Murray

325" Narrow-Kerf

Ideal for frequent users

Major brand replacement: Toro

For walk-behind mowers and recyclers