This is a genuine GM OEM Silverado/Sierra pickup front lower control arm bump stop specific to LMM and Z71 package trucks. Customers routinely report a smoother ride when installing these in earlier model Duramax trucks vs the normal 15835666 cushion.
Its not uncommon for your truck to contact these bushings during even normal daily driving. Replacing these will almost always provide a improvement in ride quality.
Sold per pc. 2 Required per truck.
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