--- product_id: 66837177 title: "Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4" price: "$118.83" currency: USD in_stock: true reviews_count: 13 url: https://www.desertcart.us/products/66837177-sea-foam-motor-treatment-fuel-system-cleaner-fuel-stabilizer-oil store_origin: US region: United States of America --- # Deep fuel system cleaning Fuel freshness up to 2 years Oil sludge removal & lubrication Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4 **Price:** $118.83 **Availability:** ✅ In Stock ## Summary > 🚗 Unlock Peak Engine Performance & Fuel Freshness — Don’t Let Your Ride Miss Out! ## Quick Answers - **What is this?** Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4 - **How much does it cost?** $118.83 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/66837177-sea-foam-motor-treatment-fuel-system-cleaner-fuel-stabilizer-oil) ## 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 - • **Trusted Since 1942:** Mechanic-approved, easy-to-use formula for smoother idling and reliable performance. - • **Dual Fuel Compatibility:** Works seamlessly with gasoline, diesel, and all blends including E10 & E85. - • **Total Fuel System Detox:** Restores power, MPG & throttle response by cleaning injectors, carburetors, and valves. - • **Engine Longevity Booster:** Dissolves oil sludge to improve lubrication and extend engine life. - • **Ultimate Fuel Stabilizer:** Keeps stored fuel fresh for up to 24 months—perfect for seasonal vehicles & generators. ## Overview Sea Foam Motor Treatment is a versatile 16 oz fuel and oil additive pack of 4 that cleans the entire fuel system, removes oil sludge, and stabilizes fuel for up to 2 years. Compatible with all gasoline and diesel engines, it enhances power, fuel efficiency, and engine longevity, making it a must-have for proactive vehicle maintenance trusted by mechanics since 1942. ## Description Product description Cleans the Entire Fuel System Dissolves gum, varnish, and deposits in injectors, carb passages, and intake valves for restored power and MPG. Treats Gasoline & Diesel Works in all gas and diesel engines and fuel blends, including E10 and E85: one product for every engine you own. Cleans Engine Oil & Crankcases Added to motor oil, Sea Foam dissolves sludge and deposits to support lubrication and extend engine life. Stabilizes Fuel Up to 2 Years Keeps stored gas or diesel fresh and protected from oxidation: ideal for seasonal vehicles, generators, and equipment. How do I use Sea Foam in my gas tank? Pour 1 oz of Sea Foam per gallon of fuel directly into your gas tank. For a stronger cleaning concentration, use at least 2 oz per gallon. How do I use Sea Foam in my gas tank? Pour 1 oz of Sea Foam per gallon of fuel directly into your gas tank. For a stronger cleaning concentration, use at least 2 oz per gallon. How do I use Sea Foam as an oil treatment? Add 1 oz of Sea Foam per quart of oil to your oil crankcase. For best results, add 100–300 miles before your next oil change to help flush deposits. How do I use Sea Foam as an oil treatment? Add 1 oz of Sea Foam per quart of oil to your oil crankcase. For best results, add 100–300 miles before your next oil change to help flush deposits. Can I use Sea Foam in both gas and diesel engines? Yes. Sea Foam Motor Treatment is safe and effective in all gasoline and diesel engines, including all ethanol blends. Can I use Sea Foam in both gas and diesel engines? Yes. Sea Foam Motor Treatment is safe and effective in all gasoline and diesel engines, including all ethanol blends. How do I use Sea Foam as a fuel stabilizer? Add 1 oz per gallon of fuel before storing your vehicle or equipment. Sea Foam keeps fuel fresh and protected for up to 2 years. How do I use Sea Foam as a fuel stabilizer? Add 1 oz per gallon of fuel before storing your vehicle or equipment. Sea Foam keeps fuel fresh and protected for up to 2 years. How often should I use Sea Foam? For regular maintenance, add Sea Foam to your fuel tank every 3,000 miles or at every oil change. It’s safe for continuous use as directed. How often should I use Sea Foam? For regular maintenance, add Sea Foam to your fuel tank every 3,000 miles or at every oil change. It’s safe for continuous use as directed. Use Every 3,000–5,000 miles If your car, truck or equipment Idles rough, has been sitting a long time, Uses lower-quality fuel or is older or has carbon buildup. Use on Lawn & Yard Equipment Use at the start of the season and when you are winterizing your equipment. Before storage is the most important time to prevent fuel breakdown Tired Engines Back to Life Try using Seafoam with older lawn mowers, snowblowers, or any engine that runs rough or has sat for a long time with old gas or fuel. Fixes Common Engine Problems Hard Starting, Rough Idle, Engine Stalls, Hesitation, Loss of power, Loss of MPG, and Bad Fuel For more than 80 years, people from mechanics to everyday engine owners have been using Sea Foam for preventing or overcoming common engine issues. Sea Foam products are made with safe ingredients that can’t harm your engine or equipment. Sea Foam is a simple way to keep your engine running strong. Sea Foam Products Sea Foam Motor Treatment Sea Foam High Mileage Sea Foam Marine PRO Review: WOW-Smoother Performance-Idle Better-Easy To Use-LOVE This Stuff - GREAT product! I own a "mature" car with lower milage. However the low idle was off and slow, additionally learned that a Gas station provider (occasionally use) had been found to have water in their gas. After reading the reviews and learning many auto mechanics swear by Sea Foam, decided to give it a try. As a woman have experienced hype, un-necessary work etc through the years. I used a funnel to add Sea Foam to my gas tank. Wow! even on shorter trip, noticed a smoother performance. With longer driving seems to have helped the idle and running even smoother! Believe that with more use will see even better performance and hopefully better milage! Do Not Hesitate, you and your vehicle are worth it! Thank you! Review: Engines run smoothly and efficiently - 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. ## Features - DEEP FUEL SYSTEM CLEANING Helps restore lost power, smooth out rough idle, recover lost MPG, and overcome other common engine problems by cleaning the entire fuel system. Cleans fuel injectors, carburetor restrictions, and chamber areas. Add Sea Foam to your fuel tank every 3,000 miles. - FUEL ADDITIVE FOR GAS & DIESEL: Cleans fuel residue and varnish for smoother idling and cleaner combustion in gasoline and diesel engines. Use with diesel, diesel blends, gasoline, gas-ethanol blends, and conventional in & synthetic oil. - OIL TREATMENT FOR ENGINE CLEANING: Cleans sludge and deposits in motor oil crankcases to support lubrication and longer engine life. Helps reduce engine wear, cleans away oil restrictions, clean critical engine areas, and clean oil buildup. - FUEL STABILIZER: It helps fuel resist evaporation, preserves ignition vapors, adds protective lubricity, and prevents the formation of gum and varnish in fuel systems. Keeps gas or diesel fresh for up to 2 years. Works great as a fuel stabilizer and gas stabilizer for stored cars, motorcycles, and generators. - FOR ALL ENGINES & FUELS: Compatible with all gasoline and diesel fuels and blends, including E10 and E85. Add to fuel and oil in in cars, trucks, RVs, lawnmowers, snowblowers, ATVs, motorcycles, boats, and jet skis. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DHHSQXP | | Best Sellers Rank | #1,429 in Automotive ( See Top 100 in Automotive ) #1 in Fuel Cleaning Tools | | Brand | Sea Foam | | Customer Reviews | 4.8 4.8 out of 5 stars (30,457) | | Date First Available | June 4, 2018 | | Item Weight | 4.09 pounds | | Item model number | SF-16-4PK | | Manufacturer | Sea Foam | | Manufacturer Part Number | SF-16-4PK | | Package Dimensions | 7.6 x 6.1 x 4.8 inches | ## Images ![Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4 - Image 1](https://m.media-amazon.com/images/I/81GXc2cz7fL.jpg) ![Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4 - Image 2](https://m.media-amazon.com/images/I/71bX+-rDlPL.jpg) ![Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4 - Image 3](https://m.media-amazon.com/images/I/71BY+I833nL.jpg) ![Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4 - Image 4](https://m.media-amazon.com/images/I/71aCjesvV+L.jpg) ![Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4 - Image 5](https://m.media-amazon.com/images/I/71HoRw5dglL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: How do I use Sea Foam in my gas tank?** A: Pour 1 oz of Sea Foam per gallon of fuel directly into your gas tank. For a stronger cleaning concentration, use at least 2 oz per gallon. **Q: How do I use Sea Foam as an oil treatment?** A: Add 1 oz of Sea Foam per quart of oil to your oil crankcase. For best results, add 100–300 miles before your next oil change to help flush deposits. **Q: Can I use Sea Foam in both gas and diesel engines?** A: Yes. Sea Foam Motor Treatment is safe and effective in all gasoline and diesel engines, including all ethanol blends. **Q: How do I use Sea Foam as a fuel stabilizer?** A: Add 1 oz per gallon of fuel before storing your vehicle or equipment. Sea Foam keeps fuel fresh and protected for up to 2 years. **Q: How often should I use Sea Foam?** A: For regular maintenance, add Sea Foam to your fuel tank every 3,000 miles or at every oil change. It’s safe for continuous use as directed. ## Customer Reviews ### ⭐⭐⭐⭐⭐ WOW-Smoother Performance-Idle Better-Easy To Use-LOVE This Stuff *by L***L on December 19, 2025* GREAT product! I own a "mature" car with lower milage. However the low idle was off and slow, additionally learned that a Gas station provider (occasionally use) had been found to have water in their gas. After reading the reviews and learning many auto mechanics swear by Sea Foam, decided to give it a try. As a woman have experienced hype, un-necessary work etc through the years. I used a funnel to add Sea Foam to my gas tank. Wow! even on shorter trip, noticed a smoother performance. With longer driving seems to have helped the idle and running even smoother! Believe that with more use will see even better performance and hopefully better milage! Do Not Hesitate, you and your vehicle are worth it! Thank you! ### ⭐⭐⭐⭐⭐ Engines run smoothly and efficiently *by M***R on September 24, 2024* 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. ### ⭐⭐⭐⭐⭐ Magic elixir in a can *by M***. on March 9, 2026* This stuff is amazing. Highly recommend for anyone who does their own oil changes, wants to help fuel injectors or anyone with a slight knock. Have used as a fuel treatment and oil treatment. Friend uses in his lawn tractor as well when it ran rough after the winter storage. ## Frequently Bought Together - Sea Foam SF-16-4PK Motor Treatment Multi-Use, 16 Ounce, Pack of 4, 16. Fluid_Ounces - SS14 Sea Foam Spray Quick Acting Top Engine Cleaner And Lube 12oz (Pack Of 2) - Gumout 800002231 Carb / Choke And Parts Cleaner, 14 oz. - Cleans Carburetor, Brakes And All Unpainted Metal Parts of Gum, Varnish, Oil And Other Contaminants, Spray --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/66837177-sea-foam-motor-treatment-fuel-system-cleaner-fuel-stabilizer-oil](https://www.desertcart.us/products/66837177-sea-foam-motor-treatment-fuel-system-cleaner-fuel-stabilizer-oil) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*