John Deere Upper Idler Gear - Used

Used helical idler / timing gear pulled from a diesel engine gear train. Markings and research indicate a John Deere upper idler gear, with a stamped number reading approximately T20029 — the stamping is partly obscured by rust and has not been confirmed against the OEM catalog, so the application is unverified. Commonly catalogued equivalents serve John Deere 239/329/414-series diesel engines in agricultural, industrial, and marinized service; this gear may fit those applications, but the buyer must confirm. Condition: used, untested take-off with uniform surface rust; teeth appear complete in the photos, but tooth wear, bore condition, and runout have not been measured. Approx. 7 in outside diameter, approx. 1 in face width, three lightening holes, stepped hub bore. Sold by photographs, identifiers, and dimensions only. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.