Ron Torsch Farm Equipment 254132 Fits New Holland 477 479 488 Haybine Sickle Head Bushing 920-437 Compatible with New Holland bushing, sickle head. Mower Conditioners: 477, 479 using head assemblies 236942, 236939. ID 1/2", OD 1-7/8", inside length 2-5/16", outside length 2-1/8". These are new replacement bushings, in stock at our store and ready to ship. Reference Numbers - A920437, A-920-437, 491-820426B, B82-0426B Please look in our store to find other items you might need and save on shipping costs. We can combine shipping charges for most items we sell. Used parts are sold as is unless specified otherwise. All of our items are also available for local pickup at our place of business, 2452 King Settlement Rd, Alpena, MI 49707. We reserve the right to change shipping carrier depending on current rates without notice. If you need a specific carrier please let us know at the time of sale.