Seller notes

This GM OEM Valve Cover Gasket, part number 12581818, is a black with orange silicone and plastic gasket that fits directly and is a genuine OEM replacement part. It is designed to be placed on the right side of the engine, and it comes with a 2-year manufacturer warranty. The gasket is sold individually, and only part reference number 4 on the diagram is included in the pack. This valve cover gasket is compatible with ACD12581818, P50526, WP-371932-ACD, and WP-371932-OES interchange part number...

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