Some 2008 Ford F-Super Duty 350 chassis cab trucks equipped with the 6.4L diesel engine and a Dana 80 dual rear wheel axle may exhibit a 4th-order engine moan/drone between 1,500-2,000 rpm.
Replace the driveshaft with a revised part number per application.
P/N DRIVESHAFT (AUTO/DRW)
8C3Z-4R602-EEA………….140.8” WB/4X2
8C3Z-4602-AHA…………...140.8” WB/4X4
8C3Z-4R602-ADA…………161.8” WB/4X2
8C3Z-4R602-BMA…………161.8” WB/4X4
8C3Z-4R602-AMA…………164.8” WB/4X2
8C3Z-4R602-AVA…………164.8” WB/4X4
8C3Z-4R602-AFA………….176.2” WB/4X2
8C3Z-4R602-BDA…………176.2” WB/4X4