---
product_id: 11823090
title: "Quicksilver Quickleen Engine and Fuel System Cleaner"
price: "€ 32.47"
currency: EUR
in_stock: null
reviews_count: 8
url: https://www.desertcart.gr/products/11823090-quicksilver-quickleen-engine-and-fuel-system-cleaner
store_origin: GR
region: Greece
---

# Treats 5 gallons per 1 oz Removes carbon deposits fast Prevents engine knocking & seize-up Quicksilver Quickleen Engine and Fuel System Cleaner

**Price:** € 32.47
**Availability:** ❌ Out of Stock

## Summary

> ⛽ Clean fuel, smooth drive, zero compromise!

## Quick Answers

- **What is this?** Quicksilver Quickleen Engine and Fuel System Cleaner
- **How much does it cost?** € 32.47 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/11823090-quicksilver-quickleen-engine-and-fuel-system-cleaner)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fuel Efficiency Booster:** Optimizes combustion by cleaning injectors and valves for smoother rides.
- • **Universal Compatibility:** Works seamlessly with all gasoline grades including ethanol blends.
- • **Easy Routine Maintenance:** Use at every fill-up with just 1 oz per 5 gallons for hassle-free care.
- • **Engine Longevity Enhancer:** Prevents piston seize-up and knocking, extending engine life.
- • **Emission Compliance Support:** Effectively reduces emissions, helping you pass tests with confidence.

## Overview

Quicksilver Quickleen Engine and Fuel System Cleaner is a powerful 12 oz additive designed to clean carbon deposits from critical engine components including carburetors, injectors, intake valves, spark plugs, piston crowns, and cylinder heads. Compatible with all gasoline types and ethanol blends, it prevents engine knocking and piston seize-up, improving performance and emissions. One ounce treats 5 gallons of fuel, making it ideal for regular use at every fill-up.

## Description

Quickleen Engine and Fuel System Cleaner 8M0047921 is for use in all 2‑ and 4‑cycle carbureted and fuel‑injected gasoline engines including cars, trucks, motorcycles, ATVs, snowmobiles, marine engines, lawn mowers, chain saws, string trimmers and snow blowers. Safe for catalyzed engines. It can help maximize engine performance with all grades of gasoline. It will help control corrosion, gum and varnish build-up and phase separation associated with ethanol blended gasoline. It will quickly and thoroughly remove carbon deposits from carburetors, injectors, intake valves, spark plugs, piston crowns and cylinder heads. It can extend spark plug life and prevent engine knocking and piston seize-up.

Review: Quality Quicksilver products - Quality engine and fuel system. Had contaminated fuel and this is really helping smooth out the rough idle.
Review: effective rather immed - followed directions, failed emissions test, applied this to empty gas tank, cleaned entire systems and valves. Passed emissions after traveling 50 miles. Would buy again.

## Features

- Gas treatment and injector cleaner for use with all grades of gasoline and ethanol-blend fuel
- Quickly and thoroughly removes carbon deposits from carburetors, injectors, intake valves, spark plugs, piston crowns and cylinder heads
- Prevents engine knocking and piston seize-up
- Can be used at every fuel tank fill-up — 1 ounce treats 5 gallons of gasoline
- Manufacturer part number 8M0047921

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005S4HQXC |
| Best Sellers Rank | #18,223 in Automotive ( See Top 100 in Automotive ) #38 in Fuel System Cleaners #40 in Fuel Additives |
| Brand Name | Quicksilver |
| Color | Unspecified |
| Customer Reviews | 4.8 4.8 out of 5 stars (930) |
| Date First Available | October 3, 2011 |
| Fishing Technique | Spinning, Casting |
| Included Components | End Product & Information |
| Item Dimensions LxWxH | 10.87 x 8.25 x 8.5 inches |
| Item Package Dimensions L x W x H | 8 x 2.6 x 2.6 inches |
| Item Weight | 0.01 Ounces |
| Manufacturer | Quicksilver |
| Material | Various Materials |
| Model Name | Quickleen Engine and Fuel System Cleaner - 12 Ounce |
| Number of Items | 1 |
| Package Weight | 0.36 Kilograms |
| Part Number | 8M0047921 |
| Size | 12 OZ |
| Style | Quickleen |
| Suggested Users | Boat Engine Parts and Accessories |

## Product Details

- **Brand:** Quicksilver
- **Item Form:** Liquid
- **Scent:** Unspecified
- **Specific Uses For Product:** Engine
- **Material Feature:** Unspecified

## Images

![Quicksilver Quickleen Engine and Fuel System Cleaner - Image 1](https://m.media-amazon.com/images/I/61A1aj-F3NL.jpg)
![Quicksilver Quickleen Engine and Fuel System Cleaner - Image 2](https://m.media-amazon.com/images/I/71b73CZQOtL.jpg)
![Quicksilver Quickleen Engine and Fuel System Cleaner - Image 3](https://m.media-amazon.com/images/I/71mvO5Ai1BL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this the genuine mercury quickleen?  label on this bottle doesn't say mercury, at top, unlike the bottle i bought at a local marina.**
A: yepper  same works great

**Q: Product features and details states 12 pack , some reviews say different, so which is true ?**
A: This is not a 12 pack.

**Q: what is the ratio for 3 gal tank**
A: It calls for 1 ounce per 5/6 gallon. So I would say a half an ounce for three gallons

**Q: Can I use this in my 2001 4 stroke Yamaha 115 outboard?**
A: I used in my 2006 Honda 4 stroke and did wonders.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality Quicksilver products
*by P***L on November 9, 2025*

Quality engine and fuel system. Had contaminated fuel and this is really helping smooth out the rough idle.

### ⭐⭐⭐⭐⭐ effective rather immed
*by R***B on September 19, 2025*

followed directions, failed emissions test, applied this to empty gas tank, cleaned entire systems and valves. Passed emissions after traveling 50 miles. Would buy again.

### ⭐⭐⭐⭐⭐ Excellent product
*by F***X on September 9, 2025*

Excellent project. Took care of my performance issues in a couple of hours.

## Frequently Bought Together

- Quicksilver Quickleen Engine and Fuel System Cleaner
- Quicksilver Quickstor Fuel Treatment and Stabilizer
- Mercury Marine Quickare Fuel Treatment, 12 Ounces 92-8M0047930

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---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-01-27*