More Engine Efficiency Modules
⚪ Last updated 2022⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview
🔍 Analysis
- 👍 1.7% endorsement rate — high engagement, a strong quality signal
- 🏆 #34 of 124 Vehicles and Upgrades mods in this game by downloads
📋 About This Mod
This mod adds a Mark 2 and Mark 3 Engine Efficiency Module for the Seamoth and PRAWN Suit.
Huge thanks to those in the Subnautica Modding Server who helped me with this, since it was my first mod.
MK2 ID: VehiclePowerUpgradeModuleMK2
MK3 ID: VehiclePowerUpgradeModuleMK3
Crafted at a modification station after unlocking the vehicle upgrade console.
Needs: SMLHelper, QModManager.
Currently incompatible with the mod "Upgraded Vehicles".
Adds Engine Efficiency Module MK2 and MK3 for the Seamoth and PRAWN Suit in Subnautica. A popular upgrade mod with 413 endorsements, last updated in April 2022. For players who want to extend their underwater exploration time.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community favorite with 413 endorsements and over 24k downloads.
- Straightforward upgrade that extends your vehicle's power efficiency.
- Works for both the Seamoth and PRAWN Suit, so you get more bang for your buck.
⚠️ Cons
- Last updated in April 2022 — might not be compatible with the latest Subnautica patches.
- No detailed instructions or crafting recipes provided in the description.
- Only adds two new modules; if you were hoping for a full overhaul, this isn't it.
For Subnautica players who want to squeeze more exploration time out of their vehicles without constantly hunting for power cells. If you're a completionist looking to max out your gear, this is a must-have. Skip if you want new vehicles or major gameplay changes — this is a simple, focused upgrade mod.
💡 Beginner Tips
- Make sure you have a mod loader like QMods or BepInEx installed, as most Subnautica mods require one.
- Check the mod's comments section for any compatibility notes with other vehicle mods.
- If the modules don't appear in the fabricator, verify that the mod is enabled in your mod manager.
📊 Mod Details
- Game
- Subnautica Mods
- Author
- Akari
- Version
- 1.0.0
- Downloads
- 24,462
- Endorsements
- 413
- Category
- Vehicles and Upgrades
- Created
- 4/8/2022
- Updated
- 4/8/2022
🧩 Commonly Used Together
Users add these mods to the same collections — a real compatibility signal, not an AI guess.
🔧 How to Install Subnautica Mods
Download from Nexus.
📖 Full step-by-step install guide for Subnautica →
Visit the official mod page for specific installation instructions for this mod.
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