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AAM · Drivetrain
AA40021334
In stock · ships from Knoxville
This is a center support (carrier) bearing for the two-piece rear driveshaft on heavy-duty Dodge Ram trucks.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
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All confirmed applications for this part number.
Ram
Ram
Fits models that use a 40 mm bearing ID. Verify your original bearing dimensions and OEM numbers (e.g., 5093379AD) before ordering. Not for single‑piece driveshaft or aftermarket conversions.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 11 of 11.
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It mounts in a rubber‑isolated bracket to stabilize the middle of the driveshaft, reducing vibration and allowing controlled movement. Over time the rubber cushion can crack or the bearing wears out, leading to driveline shudder, clunking, or squeaking. Replacing it with this 40 mm inner‑diameter AAM unit restores smooth, quiet operation.
Part Number: AA40021334
CENTER BEARING
Unit: ea
Dealer: Post Onsite
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