Ferris 1656916SM is the washer, spring Clinton Tractor supplies for this application. It is listed as fitting 31 Ferris models.
What 1656916SM fits
This washer, spring covers 31 Ferris models. Commonly ordered for the 2691384-00 - ZTX, 25 Gross HP B&S and 42" Mower Deck, 2691384-01 - ZTX, 25 Gross HP B&S and 42" Mower Deck, 2691385-00 - ZTX, 25 Gross HP B&S and 48" Mower Deck. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
1656916SM replaces 1656916. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.

