Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12338136 Plug,Electronic Spark Control Knock Sensor Hole. 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 Century, Lesabre, Regal models. It fits Cadillac Cimarron, Fleetwood. It also fits Chevrolet Blazer, Camaro, Tahoe. This also fits GMC C2500, Suburban, Yukon.
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