Sea Foam SEAFSF16 Motor Treatment Fuel & Oil Additive 16 oz

Sea Foam SF16 Motor Treatment is a 100% pure petroleum-based cleaner, lubricant, stabilizer, and moisture controller trusted by professional mechanics and do-it-yourselfers for over 80 years. This multi-purpose engine treatment safely cleans internal fuel and oil system components, helping gasoline and diesel engines run cleaner, smoother, and more efficiently.

Key Features:

• Deep Fuel System Cleaning: Cleans fuel injector and carburetor passageways, intake valves, pistons, and combustion chamber deposits to restore lost power and smooth rough idle
• Oil System Treatment: Works in the crankcase to liquefy harmful sludge, gum, and varnish deposits — helping quiet noisy lifters and freeing sticky valve rings
• Fuel Stabilizer: Helps fuel resist evaporation, preserves ignition vapors, adds protective lubricity, and prevents gum and varnish formation in stored fuel for up to 2 years
• Upper Cylinder Lubrication: Lubricates upper cylinders for reduced wear and smoother engine operation
• Moisture Control: Controls moisture accumulation in fuel and oil systems
• EPA-Registered Formula: Will not harm engine components, seals, gaskets, catalytic converters, or oxygen sensors
• Universal Compatibility: Safe for use in all gasoline and diesel engines, including ethanol blends, conventional and synthetic motor oils, carbureted and fuel-injected systems

Application: Add 1 oz per gallon of fuel directly to the gas tank, or 1 oz per quart of engine oil to the crankcase. For a stronger fuel system clean, use at least 2 oz per gallon. For oil treatment, add 100–300 miles before your next oil change. For storage, add 1 oz per gallon to keep fuel fresh for up to 2 years.

Sea Foam SF16 is suitable for cars, trucks, motorcycles, boats, ATVs, powersports, small engines, 2-cycle and 4-cycle engines, inboard/outboard marine engines, lawn equipment, generators, snowblowers, and more. Sold as a single 16 oz can.