What washers or gaskets needed for rear spoiler on 2002 Olds intrigue?

For the rear spoiler on a 2002 Oldsmobile Intrigue, you typically need rubber washers or grommets to create a seal and prevent water intrusion. Additionally, flat washers may be used with the mounting bolts to distribute the load evenly. It's best to check the specific installation manual or consult with an auto parts store for exact specifications and part numbers to ensure compatibility.