---
product_id: 92844016
title: "STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack)"
brand: "sta-bil"
price: "€ 144.93"
currency: EUR
in_stock: true
reviews_count: 8
category: "Sta Bil"
url: https://www.desertcart.fi/products/92844016-sta-bil-marine-fuel-system-treatment-full-fuel-system-cleaner
store_origin: FI
region: Finland
---

# Boosts engine power & fuel efficiency PEA additive fuel system cleaner Industry-leading corrosion protection STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack)

**Brand:** sta-bil
**Price:** € 144.93
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your boat running smooth and powerful—don’t let corrosion sink your summer!

## Quick Answers

- **What is this?** STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack) by sta-bil
- **How much does it cost?** € 144.93 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/92844016-sta-bil-marine-fuel-system-treatment-full-fuel-system-cleaner)

## Best For

- sta-bil enthusiasts

## Why This Product

- Trusted sta-bil brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Application:** Just 1 oz per 10 gallons poured before fill-up, run engine 5 mins—done!
- • **Rust & Corrosion Armor:** Protects internal parts in-season to extend engine life and reliability
- • **Year-Round Marine Care:** Pairs perfectly with STA-BIL Storage for seamless in-season and off-season protection
- • **Power & Mileage Maximizer:** Optimizes combustion for enhanced gas mileage and stronger engine output
- • **Complete Fuel System Detox:** Cleans injectors, lines & pumps with advanced PEA formula for peak performance

## Overview

STA-BIL Marine Fuel System Treatment is a premium 8oz additive designed to clean and protect the entire fuel system of boats and watercraft. Featuring powerful PEA additives, it removes water, gum, and varnish while providing industry-leading corrosion protection. This treatment boosts fuel efficiency and engine power, ensuring optimal performance throughout the season. Easy to use and ideal for year-round marine maintenance when paired with STA-BIL Storage products.

## Description

Buy STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack): Fuel Additives - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: STA-BIL work good for me - This is specially made for your ethanol free gas. STA-BIL is a good product.
Review: Works great!! - Thius product is great and this seller has a great price too!! I just bought more recentlyu!!

## Features

- FUEL SYSTEM CLEANER: Cleanses the entire fuel system using PEA additives, including fuel injectors, lines, & fuel pumps. This advanced formula removes water, gum, and varnish, ensuring optimal performance & longevity of your fuel system while preventing corrosion.
- CORROSION PROTECTION: Industry-leading rust and corrosion protection & designed for in-season cleaning & the protection of internal fuel system parts.
- PERFORMANCE BOOSTER: Designed to optimize fuel performance which contributes to enhanced gas mileage & improved engine power. This advanced formula cleans & protects the fuel system, allowing for efficient combustion & prolonged engine life.
- DIRECTIONS: Pour directly into fuel tank prior to fill up. Use 1 oz for every 10 gallons of fuel. Run the engine for 5 minutes to treat the entire fuel system.
- YEAR-ROUND PROTECTION: Pair STA-BIL In-Season Marine Protection with STA-BIL Storage, providing a complete solution for both in-season operation & storage needs during the winter ensuring that your watercrafts remains in peak condition year-round.
- FUEL STABILIZER: Stabilizes fuel in-season when watercraft is idle. For specific storage needs, use our STA-BIL storage fuel stabilizer product.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Gold Eagle Co. |
| Brand | STA-BIL |
| Model | 22239-12PK |
| Item Weight | 7 pounds |
| Product Dimensions | 3.78 x 1.65 x 7.36 inches |
| Item model number | 22239-12PK |
| Manufacturer Part Number | 22239-12PK |

## Images

![STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack) - Image 1](https://m.media-amazon.com/images/I/618BEvB-WcL.jpg)
![STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack) - Image 2](https://m.media-amazon.com/images/I/61auX6ieyKL.jpg)
![STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack) - Image 3](https://m.media-amazon.com/images/I/61cepBjPT2L.jpg)
![STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack) - Image 4](https://m.media-amazon.com/images/I/61iddRTR5RL.jpg)
![STA-BIL Marine Fuel System Treatment | Full Fuel System Cleaner, Injector Cleaner | Additive for Boats & Watercrafts, In-Season Cleaning & Protection 8oz (12 Pack) - Image 5](https://m.media-amazon.com/images/I/61rG3rrKQbL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Should I really use STA-BIL 360 Marine before every fill-up? Is it truly necessary?**
A: To be blunt, yes, especially if you want to protect your investment. Boats live in a high-moisture environment. STA-BIL 360 Marine is engineered to protect your tank from corrosion and optimize the fuel in the process.

**Q: If the color of the liquid in the bottle is no longer blue, is it still safe to use?**
A: Yes. It is possible for the dye in the formula to fade, but it is still perfectly functional.

**Q: What happens if I add too much fuel additive to my tank? Will it harm the engine?**
A: No. Overpouring will not cause significant damage to your fuel tank. However, it’s best practice to avoid making this a habit. Miscalculating by an ounce here or there, so long as it is not over four total ounces, is acceptable.

## Customer Reviews

### ⭐⭐⭐⭐⭐ STA-BIL work good for me
*by D***H on November 6, 2025*

This is specially made for your ethanol free gas. STA-BIL is a good product.

### ⭐⭐⭐⭐⭐ Works great!!
*by G***P on September 5, 2025*

Thius product is great and this seller has a great price too!! I just bought more recentlyu!!

### ⭐⭐⭐⭐⭐ GREAT STUFF
*by A***S on December 23, 2025*

Our favorite fuel treatment to use. I add it anytime we use ethanol gas in the boat and for every winter storage. Keeps the fuel good for next time!

## Frequently Bought Together

- STA-BIL 360 22239-12PK Marine with Vapor Technology, 8 oz. (Pack of 12)
- ISO Heet 28202 Premium Fuel-Line Anti-Freeze Water Remover and Injector Cleaner (355 ml)
- STA-Bil 22254 Diesel Formula Fuel Stabilizer and Performance Improver - 32 oz.

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-30*