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

Item #: 758692

BHD 16

Price Details

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*All items will import from US

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Order now and get it around Saturday, July 18
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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 Bahrain. Improve your engine performance with this 12-ounce cleaner.
  • Quickly and thoroughly remove carbon deposits from carburetors and injectors, intake valves, spark plugs, piston crowns, and cylinder heads
  • Prevent engine knocking and piston seize-up
  • Extend spark plug life
  • 12 fl oz bottle treats 60 gallons of fuel
  • Does not contain fuel stabilizers
  • Use with Quickare to prevent fuel breakdown
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.

  • Older Vehicles

    Not ideal for very old vehicles without proper assessment, as it may cause issues in outdated systems.

  • Non-Marine Engines

    Not recommended for non-marine engines as it is specifically formulated for use in marine environments only.

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 Bahrain. 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 Editorial Review

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4.7/5 145 + reviews
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Mohammad
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“Excellent quality and very fast delivery, I really appreciate your service, when you work good I will appreciate that, I am very satisfied, thank you”

13 June 2026 · via Trustpilot
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Maryam
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“The order arrived fast and in perfect condition”

2 June 2026 · via Trustpilot
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Mohd
Verified buyer

“Firstly the team who are very positive in response to any correction if something wrong. Secondly the quality and selection is exactly on what I ordered and which is perfect. Finally the time of delivery is very sufficient which made me comfortable. Overall is excellent.”

26 Feb 2026 · via Trustpilot
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Khaled
Verified buyer

“Good quality of product, delivered in 2 weeks. I thought it would take more time.”

21 Feb 2026 · via Trustpilot
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trusttaker
Verified buyer

“Everything was fine. You can order from multiple stores or countries—just be patient with the shipping. Given their business model, this was my first order from them. Thank you, Ubuy.”

20 Feb 2026 · via Trustpilot
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Important information

  • 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.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

BHD 16

Order now and get it around Saturday, July 18

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
  • aramex
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