---
product_id: 11823090
title: "Quickleen Engine and Fuel System Cleaner"
brand: "quicksilver"
price: "171 Lei"
currency: RON
in_stock: true
reviews_count: 8
category: "Quicksilver"
url: https://www.desertcart.ro/products/11823090-quickleen-engine-and-fuel-system-cleaner
store_origin: RO
region: Romania
---

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

**Brand:** quicksilver
**Price:** 171 Lei
**Availability:** ✅ In Stock

## Summary

> ⛽ Clean fuel, smooth drive, zero compromise!

## Quick Answers

- **What is this?** Quickleen Engine and Fuel System Cleaner by quicksilver
- **How much does it cost?** 171 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/11823090-quickleen-engine-and-fuel-system-cleaner)

## Best For

- quicksilver enthusiasts

## Why This Product

- Trusted quicksilver brand quality
- 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

Buy Quicksilver 8M0047921 Quickleen Engine & Fuel System Cleaner, 12 Oz.: Fuel System Cleaners - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

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

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

## 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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**Shop now:** [https://www.desertcart.ro/products/11823090-quickleen-engine-and-fuel-system-cleaner](https://www.desertcart.ro/products/11823090-quickleen-engine-and-fuel-system-cleaner)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-25*