Authentic GM Buick issued parts for many different Buick autos - sale for a set of FOUR caps - in silver chrome on plastic - these are not the aluminum ones that rust - caps used and works 100 % as it should - all clips perfect - minor marks from normal road use - be sure to match part numbers and profile for correct fit

measures 2-5/8" (64mm) wide across top, 57mm wide at clips, 19mm high - part numbers to rear 19171205

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