The Eaton Fuller Shift Block, part number 21765, is a genuine OEM component positioned in the Shift Bar Housing group of Eaton Fuller manual transmissions. Per the manufacturer’s illustrated parts list, it serves the 1st/Reverse shift position and is listed as a quantity-one item per assembly. This part appears in the factory parts manuals for the FS-6205A, FS-6305A, and FS-6305B transmission models. If you need to confirm this block fits your specific unit, call Pro Gear and Transmission and we will help you verify the application before you order.FeaturesOEM Eaton Fuller part number 21765Covers the 1st/Reverse shift position in the Shift Bar Housing assemblyQuantity: one block per transmission assemblyListed in factory parts manuals for FS-6205A, FS-6305A, and FS-6305BSold by Pro Gear and TransmissionTech SpecsTransmission Models: FS-6205A, FS-6305A, FS-6305BShift Position: 1st/ReverseAssembly Group: Shift Bar HousingQuantity Per Assembly: 1Part Number: 21765Used in these Eaton Fuller modelsFS-6205AFS-6205BFS-6305AFS-6305B