New Holland 51678591 is the ecu Clinton Tractor supplies for this application. It is listed as fitting 19 New Holland models.
What 51678591 fits
Fits: New Holland C327, New Holland C330, New Holland C332, New Holland C334, New Holland C337 + 14 more. Commonly ordered for the C345, C362, Compact Track Loader - Tier 4F - NA. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
51678591 replaces 48083723. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.































