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Sea Foam

Sea Foam High Mileage Motor Treatment HM16, 16 oz, Pack of 1, Silver

    • Based on 30,365 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, Mar 2
Order within 15 hours and 52 minutes
Available payment plans shown during checkout

Size: 1 pack (OLD)


Features

  • Specially formulated to help keep higher mileage gas cars and trucks on the road longer
  • Add to fuel to clean fuel injectors and lubricate critical engine areas
  • Add to crankcase oil to help clean and prevent the common causes of oil burning
  • Reduce long-term engine wear
  • Use regularly to prevent rough engine performance

Description

Sea Foam High Mileage Motor Treatment HM16, 16 oz, Pack of 1, Silver

Manufacturer: ‎Sea Foam


Brand: ‎Sea Foam


Model: ‎Sea Foam High Mileage Motor Treatment HM16, 16 oz


Item Weight: ‎1 pounds


Product Dimensions: ‎7.75 x 2.63 x 2.63 inches


Item model number: ‎HM16


Manufacturer Part Number: ‎HM16


Special Features: ‎Non Abrasive


Date First Available: June 25, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Mar 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Engines run smoothly and efficiently
Size: 2 pack
I’ve been using Sea Foam SF-16 in both my outboard motor and sailboat, and it has proven to be an invaluable product for maintaining engine performance. This motor treatment is incredibly versatile and effective, making it a staple in my marine maintenance routine. One of the standout benefits of Sea Foam SF-16 is its ability to clean and lubricate the entire fuel system. It effectively removes harmful deposits and residues that can build up over time, ensuring that my engines run smoothly and efficiently. This is particularly important for marine engines, which can be prone to issues due to the harsh operating environment. I also appreciate how Sea Foam stabilizes fuel. This is crucial for my sailboat, which sometimes sits unused for extended periods. By adding Sea Foam to the fuel tank, I can be confident that the fuel remains fresh and free from moisture, preventing potential engine problems when I’m ready to hit the water again. Another great feature is its ease of use. Simply adding the recommended amount to the fuel tank is all it takes to start seeing the benefits. I’ve noticed a significant improvement in engine performance, with smoother idling and better throttle response. It also helps reduce emissions, which is a nice bonus for the environment. Overall, Sea Foam SF-16 is a fantastic product that I highly recommend to anyone with an outboard motor or sailboat. It keeps engines clean, running smoothly, and protected from the elements, making it a must-have for any boat owner. ... show more
Reviewed in the United States on September 24, 2024 by mrtn wntr
    • Works great
Size: 3 pack
This is a great value deal for these! I have been using seafoam in all my vehicles and it makes a huge difference. Any time I have any issues with a vehicle running rough it's normally due to carbon buildup and this stuff just melts it away with ease. It will also clean up your oil very well too but beware you could cause oil leaks from using it and it removing the sludge. I would for sure buy this product again! ... show more
Reviewed in the United States on February 9, 2025 by Chad richards
    • Product arrived in good condition, good price
Size: 3 pack
Works great to keep the push mower starting on the first pull. Keeps the carb really clean too.
Reviewed in the United States on January 12, 2025 by Paul
    • my “ go to”
Size: 4 pack
great product and excellent price
Reviewed in the United States on February 7, 2025 by C. C.
    • Poor packaging- cans arrived dented
Size: 1 pack (NEW)
Seafoam works fine. But whomever packaged it did not pack it properly or securely. Cans arrives dented from loose packaging. Fortunately no leaks , THIS TIME !
Reviewed in the United States on January 25, 2025 by anthony
    • The Ultimate Multi-Use Motor Treatment – A Must-Have for Any Vehicle!
Size: 4 pack
The Sea Foam SF-16 Motor Treatment is an outstanding product that truly delivers on its promises. After using it in multiple applications for my vehicles, I’m convinced this is a must-have for anyone looking to maintain and enhance engine performance. The 4-pack is an excellent value and ensures I always have some on hand for routine maintenance. Why Sea Foam Stands Out Multi-Use Versatility: This product is a game-changer! I’ve used it as a fuel additive, an oil treatment, and even to clean out stubborn deposits in my carburetor. It works flawlessly across applications, making it an all-in-one solution for keeping engines running smoothly. Improved Performance: After adding Sea Foam to my fuel tank, I noticed a significant improvement in my vehicle’s fuel efficiency and a smoother idle. It’s particularly effective at removing deposits and buildup that can reduce performance over time. Easy to Use: The instructions are straightforward, whether you’re using it for fuel, oil, or cleaning purposes. The precise measuring cap ensures no mess or guesswork, making it simple to get the correct dosage every time. Great for Long-Term Maintenance: Regular use of Sea Foam has made a noticeable difference in prolonging the life of my engine. I’ve also used it to revive an older lawnmower engine, which now runs like new! This product pays for itself by preventing costly repairs. Packaging and Value The 4-pack is perfect for multi-vehicle households or anyone maintaining more than just a car. I’ve used it in my truck, car, and small engines like my generator and lawn equipment, and I still have plenty left. Pro Tips Add Sea Foam to your fuel before a long drive to maximize its cleaning effect. Use it regularly in oil changes to keep sludge buildup at bay. It’s also great for seasonal storage—just add it to your gas tank to stabilize fuel and protect the engine. Final Thoughts Sea Foam SF-16 is the real deal for anyone who values vehicle performance and longevity. Its multi-use functionality, ease of application, and proven results make it a standout product. I’ve already seen noticeable improvements in my vehicles and equipment, and I’ll continue to use it as a staple in my maintenance routine. Highly recommend it to anyone who takes pride in keeping their engines in top shape! Pro Tip: Whether you’re a DIY mechanic or just looking for a reliable maintenance product, Sea Foam is a must-have. It’s one of the simplest and most effective ways to protect your investment and extend the life of your engine. Don’t hesitate—this 4-pack is worth every penny! ... show more
Reviewed in the United States on January 12, 2025 by Jesse S.
    • Multi purpose
Size: 4 pack
My dad used this product, my brother use this product. I use this product. Works well as an injector cleaner, fuel stabilizer and removing water from the fuel system. I've used it for years in my motorcycle, vehicles and snowblower. First time I purchased from this provider. It was shipped quickly and arrived undamaged. ... show more
Reviewed in the United States on January 5, 2025 by Jeff Hartwig
    • Seafoam engine treatment
Size: 12 pack
Excellent product! Helps with gas mileage too.
Reviewed in the United States on January 13, 2025 by Cheryl M Larson

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