Urethane bushings are small, flexible parts made of a material called urethane. They are used in various devices to absorb shocks or vibrations, reduce friction, and provide support. Full definition
Thanks to durable urethane bushings at each end, these shocks are super easy to install in the factory mounting locations. (fourwheeler.com)
I am very aware of the NVH price that must be paid with a full set of urethane bushings but I'm willing to consider it if it means a longer time between replacements. (mechanics.stackexchange.com)
[Added by webmaster] Bob O'Neill wrote: «Energy Suspensions offer urethane bushings for the Daytona as well as other cars. (allpar.com)