John Deere T20029 Upper Idler Gear for 4239/6329/6414 Diesel - Used

John Deere T20029 upper idler gear, a used take-off pulled from a John Deere 4239 / 6329 / 6414 series diesel engine (industrial, ag, and marinized applications). Helical-cut gear with three web openings and center bearing bore; casting number T20029 clearly visible. Condition is used with light surface rust and normal shop soil — teeth show original machining marks with no visible chips or cracks. 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.