Ultimate Guide to Collecting All Six Mech Parts

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Before you can complete Metroid Prime 4, you’ll need to find six robot parts that let you access the final area of the game. It sounds easy, right?

The problem is, there’s no clear guidance on where to find some of these parts. They’re hidden in specific zones, not just in the main hub. Below, you’ll find the locations of all six parts and the challenges you’ll face as you collect them.

Mech Part 1 – Sol Valley

Location: Next to Fury Green
You can pick up this part near Fury Green in the west part of Sol Valley. It should be the first one you get. Interact with it to add the transporter module, then move on to the next.

Mech Part 2 – Sol Valley

Location: Northern Desert
This one is in the northern part of Sol Valley. It’s easy to get—just shoot a few electric shots at it, and it’ll drop so you can transport it.

Mech Part 3 – Sol Valley

Location: Eastern End
The third part is on the eastern side of Sol Valley. Head there and transport it back to your base.

Mech Part 4 – Sol Valley

Location: Wrestling a Worm
This part is inside Sol Valley, but you’ll need to fight for it. Go to the zone shown on the map, where your team will alert you to something unusual. Approaching the crate there, a giant alien worm will eat it and run to the dust bowl north of the area. Use your bike, the Vi-O-La, to chase and attack the worm by boosting into its tail until it falls over. After defeating it, retrieve the mech part, attach the teleport module, and proceed.

Mech Part 5 – Ice Belt

Location: Before the Main Entrance
One of the easiest parts to find. Ride to the northwestern Ice Belt area. Jump onto the psychic platforms, go inside the building, then swing left to find the mech part on a ledge. Scan it and add the teleportation module.

Mech Part 6 – Flare Pool

Location: Inside Flare Pool
The last part is in Flare Pool, located in the southeastern part of Sol Valley. Enter the zone via the tram, then move past the giant bridge. Blow up the rock formation under the starting platform with a super missile and ride your bike into the tunnel. In the large circular room, scan upward to locate the mech part, which will trigger a miniboss fight. Shoot the glowing eyes until the boss is defeated. The mech part then becomes available for scanning and transport.

Once you collect all six parts, you’ll be ready to progress with the final story of the game. Make sure you finish all the side tasks before returning to Mackenzie, as the game will lock you into the ending once you move forward.