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Engine efficiency module
UpgradesVehicle upgradesVehicle Upgrade Console

Engine efficiency module

Recycles heat by-product to minimize power inefficiencies. Seamoth/Prawn compatible.

Slot Vehicle Module

How to get

Craft

Vehicle Upgrade Console › Common modules

Computer chipPolyaniline

Calculate materials →

Blueprint

Subnautica data: build 83031 (Oct 2025)