---
product_id: 472140961
title: "Marine Tune-Up Fuel Treatment, 8 oz | Treats 20 gallons. Cleans fuel systems, removes water, and restores performance."
brand: "sta-bil"
price: "€ 35.48"
currency: EUR
in_stock: true
category: "Sta Bil"
url: https://www.desertcart.hr/products/472140961-marine-tune-up-fuel-treatment-8-oz-treats-20-gallons
store_origin: HR
region: Croatia
---

# 8 oz precision dose 4.7/5 top-rated formula Optimized for marine engines Marine Tune-Up Fuel Treatment, 8 oz | Treats 20 gallons. Cleans fuel systems, removes water, and restores performance.

**Brand:** sta-bil
**Price:** € 35.48
**Availability:** ✅ In Stock

## Summary

> 🚤 Keep your boat running smooth — fuel treatment that means business!

## Quick Answers

- **What is this?** Marine Tune-Up Fuel Treatment, 8 oz | Treats 20 gallons. Cleans fuel systems, removes water, and restores performance. by sta-bil
- **How much does it cost?** € 35.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/472140961-marine-tune-up-fuel-treatment-8-oz-treats-20-gallons)

## 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

- • **Compact & Portable:** Small 6x3x3 inch bottle fits easily in your marine toolkit or glove box for on-the-go use.
- • **Precision 8 oz Dose:** Perfectly sized for marine fuel systems, ensuring optimal treatment without waste.
- • **Marine-Grade Formula:** Specifically engineered to protect and enhance boat engine performance on every trip.
- • **Trusted by Thousands:** Rated 4.7 stars by over 500 users, a proven choice for reliable fuel system care.
- • **Easy Maintenance Boost:** Simple add-in treatment that prevents fuel degradation and keeps engines running smoothly.

## Overview

STA-BIL Marine Tune-Up Fuel Treatment is an 8 oz, marine-specific fuel system cleaner designed to maintain and enhance boat engine performance. With a 4.7-star rating from over 500 customers, this compact, easy-to-use formula prevents fuel degradation and ensures reliable starts and smooth operation on the water.

## Description

Great Product

## Features

- Great Product

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00NEG3SQ0 |
| Best Sellers Rank | #17,470 in Automotive ( See Top 100 in Automotive ) #40 in Fuel System Cleaners |
| Brand | STA-BIL |
| Customer Reviews | 4.7 4.7 out of 5 stars (520) |
| Date First Available | March 11, 2022 |
| Item Weight | 7.5 ounces |
| Item model number | 22313 |
| Manufacturer | Gold Eagle Co. |
| Manufacturer Part Number | 22313 |
| Model | 22313 |
| Product Dimensions | 6 x 3 x 3 inches |

## Product Details

- **Brand:** STA-BIL
- **Item Weight:** 7.52 ounces
- **Material Type Free:** Any gasoline-powered watercraft like jet skis, speed boats, and PWCs.
- **Number of Items:** 1
- **Unit Count:** 2560.0 Fluid Ounces

## Images

![Marine Tune-Up Fuel Treatment, 8 oz | Treats 20 gallons. Cleans fuel systems, removes water, and restores performance. - Image 1](https://m.media-amazon.com/images/I/41O3I1VuJPL.jpg)

## Available Options

This product comes in different **Color, Number Of Items** options.

## Questions & Answers

**Q: Can this product be used in automobiles ?**
A: Yes. This product can be used in automobiles. However, it is designed specifically for small engine equipment for the best results. Thanks for the question.

**Q: is this the same formula as fast fix?**
A: This product is specifically formulated for fuel systems in a marine or heavy humid environment. STA-BIL Fast Fix is designed for small engine equipment. Hope that helps!

**Q: would this or fast fix be better for a hard cold starting snowmobile? suspect old gas/ethanol is the issue.**
A: I would recommend STA-BIL Fast Fix in this situation as it is more specific for rough or no starts. Hope that helps!

**Q: Does it work for inboard motors?**
A: My motor is a 496 Merc- I/O.  Yes it does

## Frequently Bought Together

- STA-BIL Marine Tune-Up Fuel Treatment – Cleans Carburetors and Injectors – Fixes Rough Running Engines – Eliminates Water – Treats up to 20 Gallons – 8 oz. (22313), Blue, 8oz
- STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water, Treats Up to 20 Gallons, 8oz (22304) , Green
- STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer - Prevents Rust and Corrosion, Helps Clean Fuel System For Improved In-Season Performance, Treats Up To 320 Gallons, 32oz (22240) , Blue

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**Shop now:** [https://www.desertcart.hr/products/472140961-marine-tune-up-fuel-treatment-8-oz-treats-20-gallons](https://www.desertcart.hr/products/472140961-marine-tune-up-fuel-treatment-8-oz-treats-20-gallons)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-24*