Every diagram this part appears in — jump straight to its callout, or browse the whole assembly. Each diagram opens with every part numbered, and each callout links back to its own part page.
If your manual or an old invoice lists one of these, 301646 is the current number to order. The old numbers bring you to this page.
12472
505289
SBA036500032
Part guide
New Holland 301646 circlip — buyer's guide
~1 min read
New Holland 301646 is the circlip Clinton Tractor supplies for this application. It is listed as fitting 76 New Holland models.
What 301646 fits
Fits: New Holland BOOMER-3040, New Holland TC35A, New Holland TC35DA, New Holland TC40DA, New Holland TC45DA + 72 more. Commonly ordered for the 1920, 2120, 3415. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
301646 replaces 12472, 505289, SBA036500032. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.