Eaton Fuller 4300382 Mainshaft Washer

Product Overview

Genuine Eaton Fuller 4300382 internal transmission mainshaft washer for supported Eaton Fuller manual transmission assemblies.

Technical Identification

• Manufacturer: Eaton Fuller
• Sellable manufacturer part number / SKU: 4300382
• Product type: Mainshaft washer
• Exact mainshaft location, adjacent gear, bearing, or synchronizer: Pending verification from the applicable Eaton illustrated parts list
• Outside diameter, inside diameter, thickness, and material: Must be confirmed from the exact OEM catalog or physical component

Application and Service Notes

Do not select a mainshaft washer solely by appearance. Confirm the transmission model and serial number, original part number, washer dimensions, locating features, and exact mainshaft position before ordering. Internal repair should follow the exact Eaton service or overhaul manual, including end-play, shim, preload, snap-ring, and wear-limit requirements where applicable.

Please confirm the original part number, transmission identification tag, dimensions, and mainshaft position before ordering.

Parts Verification and Ordering Notice

Please confirm the existing part number, component identification tag, dimensions, specifications, and application before ordering. Cross-reference numbers, compatibility guides, service manuals, repair manuals, parts catalogs, PDF references, and application information are provided as reference material only and may contain errors, omissions, superseded information, or model-specific differences. Do not rely solely on a reference number, manual, catalog, or guide when selecting a part. Please contact All Truck Gears before ordering when the application or interchange is uncertain.

Technical References and OEM Documentation

• Eaton Download Center — Illustrated Parts Lists, Service Manuals, and Troubleshooting Guides
• Eaton Fuller Transmission Rebuild and Overhaul Resources