Steering Disc for John Deere — replaces OEM R-21315. Built for reliable field-replacement performance.
Fits These Models
John Deere
- Crawler: 350B
- Disc Harrow: 350
OEM Cross-Reference Numbers
Replaces the following OEM part numbers: R-21315, T-21315.
Please verify the OEM reference number and equipment fitment before ordering.








