A-339-AI SUB TO A26 model-Bronco Inner Diameter: 1-1/8"

Inner Diameter: 1-1/8"

Wattage: 3

4020 (SN 250000 and earlier)

it has a T shape on 1 end to connect into the slotted drive on the engine and16 splines / teethon the other end

Inch Series

A-339-AI SUB TO A26 model-Bronco Inner Diameter: 1-1/8"One New Aftermarket Replacement A Section V Belt (A26 4L280) for Lawn and Garden Equipment This classical section wrapped A section V belt is a direct aftermarket replacement for OEM part number 339, used in Power Trim edgers, Bluebird lawn combers, and a wide range of lawn and garden power equipment. Part number A 339 AI substitutes to the standard A26 belt size (also cross referenced as 4L280), delivering reliable power transmission in drive