Genuine New OEM Parts. Right Part Guaranteed with VIN Check. See below for instructions. GM OEM-Engine Full Gasket Set 12595959. If you would like to return your new, unopened, and uninstalled part. Find the item you ordered. Select from the following 5 reasons. Found a Better Price. Just Didn’t Like it. Add details like I. Tried to install this part, and it didn’t fit. If the item has been opened, installed, or used, we are unable to accept a return due to safety concerns. Thanks for shopping with World Parts Direct, home of the low-price and right-part-guarantee! Just provide your VIN when purchasing in our easy, 3-step process to benefit from this optional courtesy. Don’t have your VIN? We offer hundreds of thousands of unique items, including discontinued parts. If we can’t get the part you need, nobody can! We are a small, family business and your satisfaction is our top priority. We hope you’ll give us the opportunity to earn your business today. From everyone here at World Parts Direct, thank you for your support! We carry hundreds of thousands of products, and this requires a network of warehouses. Please do not provide a PO box as the address for medium and larger items. Please use a business address, if possible, when ordering these types of parts.