Oldsmobile 98 parts are available at Amazon.com and AutoPartsWarehouse.com as of April 2015. Oldsmobile made its 98 model from 1950 to 1996, so the parts list is extensive.
There are more than 10,500 parts at AutoPartsWarehouse.com that fit Oldsmobile 98s of various years, including aftermarket side mirrors, shock and strut assemblies, brake pads, alternators, and engine gaskets.
Amazon.com's features thousands of parts for many years of the 98; it even has more than 600 parts for the debut 1950 model. General parts include cylinder heads, camshafts, belts, hoses, oxygen sensors and clutch sets. Amazon.com also offers performance parts for custom or collectible Oldsmobile 98s.