Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 11546664 Plug. 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 Cascada, Encore GX models. It fits Cadillac CT4, Escalade, XT4. It also fits Chevrolet Impala, Silverado, Tahoe. This also fits GMC Sierra, Yukon.
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