D Devin Underberg Active Member Joined May 16, 2004 Messages 150 Reaction score 0 Location Sioux Falls, SD Jun 12, 2007 #1 I am wanting to order a new rear differential but dont know the shaft size. Is it 3/4 or 7/8? Also i am pretty sure that the rear axles are 31 spline, correct? Thanks
I am wanting to order a new rear differential but dont know the shaft size. Is it 3/4 or 7/8? Also i am pretty sure that the rear axles are 31 spline, correct? Thanks
Todd Z Well-Known Member 4 wheel drive 2nd Gen owner V8 Engine Joined Sep 21, 2003 Messages 22,366 Reaction score 752 Location Long Island, NY What engine do you have? V8 engine What year is your Sport Trac? 2010 What Generation is your Sport Trac? 2n Gen Owner Jun 12, 2007 #2 The count is 31 spline, But I don't know the size.,.. Todd Z