Center support bearing that carries the two-piece driveshaft on 2003-2005 Dodge Ram 2500 and 3500, stops the mid-shaft hum and vibration from a worn carrier.
This is the center support (carrier) bearing that holds up the middle of the two-piece driveshaft on 2003-2005 Dodge Ram 2500, Ram 3500, and the 2003 Ram Van 2500/3500. It takes a 1.575 inch (39.99mm) bearing bore, so check that dimension against your old bearing before ordering - there were a couple different bore sizes used across these years.
Replaces OE/aftermarket numbers 5159978AB, 5159978AA, 5093379AD, 5093379AB, 5093379AA, 2110161XV, 40021334, HB88536, and N217334. When this bearing wears out the rubber isolator breaks down and the shaft starts to vibrate or hum at speed, usually worse under load - a common complaint on these trucks once they get past 100k miles.
On the bench: drop the two-piece driveshaft, separate it at the slip yoke, unbolt the bearing bracket from the frame crossmember, press the old bearing off the shaft and press the new one on, then reinstall and torque the bracket bolts and the driveshaft flange bolts to spec. Steel housing with a rubber isolation mount, built to original dimensions for a bolt-on fit with no modification.
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