Home>> D3NNB921A - Rockshaft Arm L/H Rockshaft Arm L/H - Fits Ford® - D3NNB921A Sugg. Retail Price: $169.95/EA Out of Stock Quantity: EA Product Details # D3NNB921A New (Aftermarket Part) Rockshaft Arm L/H Weight: 14.00 lbs Replaces Tractor Part #: D3NNB921ACCT Where Used FITS FORD® 3900, 4100, 4600, 2810, 2910, 3610, 3910, 4610, 3230, 3430, 3939, 4630, 4830, 5030, 250C, 345C, 345D, 420, 445, 445A, 445C, 445D, 450, 515, 532, 535, 540, 540B, 545, 545A, 545B, 545C, 545D Specifications Instructions Any use of OEM part numbers is for reference only. Need help finding a tractor part? Give us a call at 1-800-462-7335.