The Eaton Fuller Mainshaft Assembly, part number S-3120 or S3120, is a manual transmission mainshaft assembly for Eaton Fuller-equipped trucks. This assembly measures 16.125 inches in length with a 3.25 x 3.25 inch cross-section profile. It is cataloged under manual transmission main shaft components and sold as an individual unit. Cross-reference numbers on record include 4306316, FUL S3120, FULS3120, S-3120, and S3120, making it easier to verify this is the correct replacement for your application. A genuine Eaton Fuller part available from Pro Gear and Transmission. Not certain this is your mainshaft? Give us a call to confirm the correct fit before ordering.
Features
Eaton Fuller OEM part number S-3120 or S3120
Manual transmission mainshaft assembly, sold as a single unit
16.125 in. overall length; 3.25 x 3.25 in. cross-section profile
Cross-references: 4306316, FUL S3120, FULS3120, S-3120, S3120
Genuine Eaton Fuller part sold by Pro Gear and Transmission
Tech Specs
- Length: 16.125 in.
- Cross-section (H x W): 3.25 x 3.25 in.
- Unit of Measure: Each
- Cross References: 4306316, FUL S3120, FULS3120, S-3120, S3120
- OEM Part Number: S-3120
Used in these Eaton Fuller models
