STA-BIL 360 Marine Fuel System Treatment, 32 oz 6-Pack | Fuel system and injector cleaner for boats, watercraft that removes water, helps protect against corrosion and ethanol damage

$119.65

Price accurate as of Aug 7, 2026. Check current price on Amazon.

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This STA-BIL item is priced 59% above the 293,078-product Automotive average of $75.41, and rated above the category's 4.3-star average.

Key Features

• FUEL SYSTEM CLEANER: Cleanses the entire fuel system using PEA additives, including fuel injectors, lines, & fuel pumps. This advanced formula removes water, gum, and varnish, ensuring optimal performance & longevity of your fuel system while preventing corrosion. CORROSION PROTECTION: Industry-leading rust and corrosion protection & designed for in-season cleaning & the protection of internal fuel system parts. PERFORMANCE BOOSTER: Designed to optimize fuel performance which contributes to enhanced gas mileage & improved engine power. This advanced formula cleans & protects the fuel system, allowing for efficient combustion & prolonged engine life. DIRECTIONS: Pour directly into fuel tank prior to fill up. Use 1 oz for every 10 gallons of fuel. Run the engine for 5 minutes to treat the entire fuel system. YEAR-ROUND PROTECTION: Pair STA-BIL In-Season Marine Protection with STA-BIL Storage, providing a complete solution for both in-season operation & storage needs during the winter ensuring that your watercrafts remains in peak condition year-round. FUEL STABILIZER: Stabilizes fuel in-season when watercraft is idle. For specific storage needs, use our STA-BIL storage fuel stabilizer product.

Specifications

Brand	STA-BIL
Category	Automotive
Subcategory	Oils & Fluids > Additives > Fuel System > Fuel Additives
ASIN	B008YFI604
Listed Since	Jul 11, 2026