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Post Onsite · Drivetrain
1275X-1A
In stock · ships from Knoxville
This is a heavy-duty universal joint (U-joint) designed for the driveline of medium and heavy trucks.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It connects two rotating shafts, allowing them to operate at varying angles while transmitting torque from the transmission to the differential. U-joints like this are typically replaced when they develop excessive play, make clunking noises, or when the needle bearings inside the caps wear out and lose lubrication. The '1A' designation commonly indicates a specific snap-ring or lock-up style variant within the popular 1200-series joints.
Part Number: 1275X-1A
U-JOINT 1275X-1A
Category: Driveline
Unit: ea
Dealer: Post Onsite
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