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Neapco · Drivetrain
3-4143
In stock · ships from Knoxville
The Neapco 3-4143 is a heavy-duty universal joint from the 4C series, designed with four high-wing drilled (HWD) bearing caps.
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Verified fitment for 1 applications
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All confirmed applications for this part number.
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Other applications
Fits any driveline that requires a 4C HWD (high-wing drilled) universal joint. Common in many Class 6-8 over-the-road trucks, but exact make/model compatibility is not documented by the manufacturer; verify your driveshaft series and cap style before ordering.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 10 of 10.
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It connects driveshaft segments to transmit engine torque while allowing angular movement. Replace this u-joint when you notice driveline vibration, clunking, or excessive play — a worn joint can lead to driveshaft failure if ignored.
Part Number: 3-4143
4C ALL DRILLED U-JOINT
Category: Driveline
Unit: ea
Dealer: Post Onsite
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