Posted by Robert Kosusnik on Wednesday, May 14, 2003 at 5:07PM :
In Reply to: 4.89 Differential Gears posted by Dan Lowe on Wednesday, May 14, 2003 at 4:06PM :
As far as I know they are the same. If you are interested in 4.89 gears for your truck (whether it's an M-37 or a civilian model WDX-WM300) contact Paul at MARS. There is a link to his site under "Related Links". Robert