K-3421 Eaton Fuller Synchronizer Kit

Eaton Fuller Synchronizer Kit K-3421 or K3421 is a manual transmission synchronizer assembly for the main shaft half. The kit ships as a complete pack containing two sync cups, part number 4301467, and one synchronizer assembly, part number A-8956. This is a genuine Eaton part sold by Pro Gear and Transmission. Not sure this is your synchronizer? Give us a call and we will help confirm the correct part for your Fuller transmission.

Features

Manual transmission synchronizer kit, main shaft half assembly
Includes two sync cups, part number 4301467
Includes one synchronizer assembly, part number A-8956
Genuine Eaton Fuller part sold by Pro Gear and Transmission

Tech Specs

• Part type: Synchronizer Kit, Transmission
• Application: Manual transmission, main shaft half
• Kit contents: 4301467 Sync Cup x2, A-8956 Synchronizer Assembly x1

Additional Information

Kit bill of materials per Eaton: two cups (4301467) and one synchronizer assembly (A-8956). Alternate part-number listings include HFK-3421 and K3421-SP.