Description
The Eaton Fuller Mainshaft Key Assembly, part number A-4989 or A4989, is a manual transmission synchro key designed for heavy-duty truck transmissions. This key seats on the main shaft and is listed under the manual transmission synchro key category. Measured dimensions are 7.38 in. length, 0.285 in. width, and 0.212 in. height. Sold individually. Call us to confirm proper fitment for your transmission before ordering.Interchanges:
- 1112203
- 15584491
- 1651324C91
- 3088-A4989
- 900232
- A4989-SP
- E7HZ7B220A
- FUL-A4989
- ZBFA4989
