Oregon 78-112 Flat Idler Pulley Compatible w/ John Deere AM37249 Sub-Category_19 to 21 Inches Chisel-style cutters deliver efficient cutting

Chisel-style cutters deliver efficient cutting and excellent stay-sharp

Full chisel chain cutters power through timber with speed

Fits all standard trimmer heads

For LX and GX garden tractors

Oregon 78-112 Flat Idler Pulley Compatible w/ John Deere AM37249 Sub-Category_19 to 21 Inches Chisel-style cutters deliver efficient cuttingPulleys work hard to transfer power from a mower's engine to its cutting Blades, but an Oregon Pulley makes it work harder faster. 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 Parts Lookup Tool to view part diagrams and find the correct replacement. Overall Width: 1" Outer Dimension: 4 3 8" Flat Outer Dimension: 4 1 8" Flat Width: 3 4" WARNING: