Fortnite Season 6 has brought a few new items and mechanics, including Mechanical Parts.
These are used to upgrade your weapons in the crafting menu.
Here's where you can find Mechanical Parts with a 100% spawn rate.
All Mechanical Parts Spawn Locations
The best locations are undoubtedly Sweaty Sands, Dirty Docks, Lazy Lake and Slurpy Swamp.
You are able to get Mechanical Parts from other locations and different methods, but these are guaranteed spawns.