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Neapco · Drivetrain
3-4140
In stock · ships from Knoxville
This is a Neapco 3-4140 universal joint from the heavy-duty Mechanics 4C series, commonly used in truck driveshafts, agricultural machinery, and industrial equipment.
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Universal fit
Fits heavy-duty drivelines using the Mechanics 4C series U‑joint profile. Used across many truck, agricultural, and industrial applications. Specific vehicle models are not verified.
Part data verified against 4 catalog sources
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It features two threaded bearing caps and two drilled caps for secure installation, and a grease fitting in the cross allows for regreasing to extend service life. The joint transfers rotational power between shafts at an angle, and it is typically replaced when worn bearings cause driveline vibration, clunking, or excessive play.
Part Number: 3-4140
4C 2 + 2 U-JOINT
Category: Driveline
Unit: ea
Dealer: Post Onsite
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