Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 11509230 Sc, Hexagon Washer Head Tap /Bhl/, 6.3, 1.69X20. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Buick Roadmaster, Skylark models. It fits Chevrolet Astro, Blazer, Impala. It also fits GMC C2500, K1500, Suburban. This also fits Pontiac Grand Am, Sunbird.
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