Genuine OEM Transmission 137-4823 1374823 for 22in Recycler Lawn Mower — Fits 20339 20339C 20350 20351 20353 20355 20357 20370 20371 20377 20378 20954 20960 20964 20965 21472 21766 21767 21768 21774

Includes a stainless steel axle rod with an overall length of 20.5". This axle serves as a direct replacement for part numbers 121-9180 and 115-1992. Designed for use with the listed units — see below for the full compatibility list to confirm fitment.