MERCURY
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Mercury 8M0047931 Quickleen Engine & Fuel System Cleaner, 12 oz
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Mercury 8M0047931 Quickleen Engine & Fuel System Cleaner, 12 oz
Quickly and thoroughly remove carbon deposits
Mercury 8M0047931 Quickleen Engine & Fuel System Cleaner, 12 oz
Item #: 758692

Mercury 8M0047931 Quickleen Engine & Fuel System Cleaner, 12 oz

90% of respondents would recommend this to a friend

Item #: 758692

UGX 123139

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Quickly and thoroughly remove carbon deposits
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What Stands Out

Comprehensive Cleaning
Mercury Quickleen effectively cleans both the engine and fuel systems, removing deposits and improving performance, ensuring a smoother operation compared to competitors.
Enhanced Performance
This cleaner optimizes fuel efficiency and engine power, addressing common performance issues, making it ideal for boat owners seeking reliability and performance from their marine engines.
Easy Application
Quick and simple to use, the product allows users to maintain their engines effortlessly, adding convenience to boat maintenance routines without requiring professional assistance.

Product Details

Shop for Mercury Marine Quickleen Engine and Fuel System Cleaner online at Ubuy Uganda. Improve your engine performance with this 12-ounce cleaner.
  • Engine and fuel system cleaner in a 12 fl oz bottle
  • Treats up to 60 gallons of 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
  • Extends spark plug life
  • Does not contain fuel stabilizers
Brand NameMERCURY
Manufacturer Part Number8M0047931
Number of Packs1
Number of Items1
UPC745061870192
OEM Equivalent Part Number8M0047931
Included Components1 Bottle
ManufacturerMercury Marine Mercruiser
Model Number8M0047931
Thread SizeRM
Compatible with Vehicle TypeWatercraft
Automotive Fit TypeVehicle Specific Fit
BrandMERCURY
Vehicle Service TypeWatercraft
Item Weight1 lbs (450 grams)

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Boat Owners

    Ideal for boat owners wanting to maintain engine performance and fuel efficiency in marine applications.

  • Frequent Users

    Recommended for users who operate their engines regularly and seek to prevent buildup in fuel systems.

  • DIY Mechanics

    Suitable for DIY enthusiasts looking to enhance engine cleanliness and optimize vehicle performance during routine maintenance.

Not Suitable For
  • Rare Users

    Not suitable for infrequent users as they may not benefit from regular engine cleaning or maintenance.

Product Description

Mercury 8M0047931 Quickleen Engine & Fuel System Cleaner, 12 oz

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Mercury Quickleen Engine & Fuel System Cleaner used for?

    Answer: Mercury Quickleen Engine & Fuel System Cleaner is formulated to clean both the engine and fuel systems of your boat, significantly improving performance. It effectively removes carbon build-up, sticky residues, and other deposits that can impair engine function. Regular use of this cleaner helps maintain optimal fuel efficiency and prolongs engine life. It’s particularly beneficial for boat owners who frequently use their vessels in saltwater, where corrosion and build-up are common.
  • Question: How often should I use Mercury Quickleen?

    Answer: For optimal engine performance, it is recommended to use Mercury Quickleen with every tank of fuel or at least every 100 hours of engine operation. This regular maintenance helps prevent carbon buildup and keeps fuel injectors clean. If you primarily operate in harsh or dirty environments, you might want to increase the frequency. Implementing a routine maintenance schedule will ensure your engine runs cleaner and more efficiently over time.
  • Question: Is Mercury Quickleen safe for all engine types?

    Answer: Yes, Mercury Quickleen is designed to be safe for a range of engine types, including two-stroke and four-stroke outboard engines. It is specifically tested to ensure compatibility with various manufacturers. However, always refer to your engine’s manual or consult with a professional if you have specific concerns regarding your engine type. This cleaner is a versatile solution aimed at enhancing performance for most gasoline engines, making it an excellent choice for boat enthusiasts.
  • Question: Can I use Mercury Quickleen in my truck or car?

    Answer: Mercury Quickleen is specifically formulated for marine engines and is not recommended for automotive use. Its unique blend of detergents and solvents is tailored to tackle issues specific to outboards and fuel systems in marine environments. If you're looking for engine cleaners for cars or trucks, it's best to choose products specifically designed for those types of engines to ensure safety and efficacy.
  • Question: What are the instructions for using Mercury Quickleen?

    Answer: To use Mercury Quickleen, simply add the recommended amount to your fuel tank based on your total fuel volume. For best results, add it before refueling to ensure thorough mixing. You can also run the engine for a short period to allow the cleaner to circulate through the fuel system. This process helps eliminate deposits effectively. Regular use following these instructions can help maintain engine performance and extend the lifespan of your fuel system.
  • Question: Does Mercury Quickleen help with fuel economy?

    Answer: Yes, using Mercury Quickleen can help improve fuel economy. By keeping the fuel system and engine components clean, it helps optimize combustion efficiency. This means your engine runs smoother and uses fuel more effectively, potentially leading to savings at the gas pump. It's particularly beneficial for those who use their boats frequently or engage in long trips, as cleaner systems often translate to fewer fuel stops and reduced costs over time.
  • Question: What is the shelf life of Mercury Quickleen?

    Answer: Mercury Quickleen typically has a shelf life of about three to five years if stored properly in a cool, dry place and with the cap tightly sealed. It's important to check the manufacturing date on the container to ensure its efficacy. Using a product that has exceeded its shelf life can compromise its performance. Therefore, always aim to use it within the suggested time frame to enjoy the best results for your engine cleaning needs.
  • Question: Is Mercury Quickleen environmentally friendly?

    Answer: Mercury Quickleen has been formulated to meet relevant environmental regulations. It is designed to effectively clean engines without introducing harmful substances into the marine ecosystem when used as directed. However, always follow the disposal instructions provided on the label to minimize environmental impact. Many boat owners appreciate using such products that contribute to responsible boating practices while ensuring their engines remain in top condition.
  • Question: Where can I buy Mercury Quickleen Engine & Fuel System Cleaner?

    Answer: You can buy Mercury Quickleen Engine & Fuel System Cleaner conveniently from Ubuy in Uganda. Ubuy offers a wide selection of Mercury products, ensuring you get the right cleaning solution for your engine servicing needs. Shopping online allows you to enjoy the convenience of home delivery, making maintenance easier for all boat owners.

MERCURY Fuel System Cleaners 8M0047931 Editorial Review

Mercury 8M0047931 Quickleen Engine & Fuel System Cleaner, 12 oz is a high-quality solution designed for marine and automotive use, ensuring your engine performs at its best. Users rave about its effectiveness in removing plaque build-up and carbon deposits, highlighting significant improvements in engine performance after applying the cleaner. It is particularly noted for resolving issues like sputtering and hard starting in watercraft and lawn mowers, making it a reliable choice for any marine engineering task. This cleaner combines ease of use with powerful cleansing capabilities, making it a preferred choice among users who require dependable engine maintenance products.

Customer Reviews & Ratings

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Pros

  • Effective in removing carbon deposits
  • Significantly improves engine performance
  • Compatible with watercraft and lawn mowers
  • User-friendly application for maintenance

Cons

  • Might be considered a bit pricey for some users

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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UGX 123139

Order now and get it around Saturday, October 03

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 12 fl oz bottle treats 60 gallons of fuel
  • Prevent engine knocking and piston seize up
  • Extend spark plug life
  • Use with Quickare and Quickstor
  • Does not contain fuel stabilizers
  • Effective for cleaning carburetors, injectors, intake valves, spark plugs, piston crowns and cylinder heads

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