DennisB DenLorsTools.com © Summary: Quick instructions on how to install the 248731 u-joint in many floor jacks. Also see the installation video below. The 248731 universal joint is used on many different brand floor jacks. It transfers the twisting action form the floor jack handle to release hydraulic pressure or seal the pressure so the jack can be jacked up. The universal joint is necessary to allow the pivoting of the floor jack handle. The u-joint on these jacks last a long time but they are a common wear item that can cause binding or they can many times simply break leaving the jack not usable.

The 248731 universal joint is used on many popular floor jacks.  Application is for the following 2 ton up to 3 ton capacity floor jacks. * Snap On – YA642 * Snap On YA700 – YA700B * Mac Tools JS642USA * Lincoln- 93642 – 2 ton floor jack * Lincoln- 93652 – 3 ton floor jack * Hein Werner – 93642 * Hein Werner – 93652 * Napa 91-642 * Marquette and more! The 248731 supersedes the following part numbers – 228356, 228349, 227874, 890-022-666 and YA700B3. We also have the measurements of the u-joint in case you’re still unsure if it will work on your particular jack.