Oregon 78-129 Flat Idler Pulley Fits John Deere GX20287 by Oregon $12.09 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Idler Pulley PRODUCT DESCRIPTION DESCRIPTION This flat idler pulley has an outer diameter of 3-3/8" and replaces John Deere. DETAILS Flat idler pulley Outer diameter: 3-3/8", Flat outer diameter: 2-3/4" Flat width: 3/4", Overall width: 1" Inner diameter: .669, Offset: none SPECS Volume 30.771 in³ Product UOM Each Weight (with Packaging) 0.255 Lb Product Width 1" Outer Diameter 3-3/8" Flat Outer Diameter 2-3/4" Flat Width 3/4" Bore .669" Type Composite