STA-BIL 360 Marine Ethanol Treatment
8 oz
Price as of 2026-06-05. Check Amazon for the current price.
Quick Decision
Price Intelligence
Currently $8.48 — $1.40 below the 90-day average of $9.90.
All-time low: $4.80 on Thu Nov 27 (from 182 price checks).
Is This Right For You?
- •Budget-conscious shoppers — priced below 81% of Fuel Additives
- •Those who want a top-rated option — in the top 1% of Fuel Additives by rating
- •Risk-averse buyers — 8,006+ reviews give a highly reliable picture
- •STA-BIL loyalists — the brand spans 54 products in our database
📊 Based on data analysis of 53 products in this category.
Mubboo Score: A+
How It Compares
This Product STA-BIL 360 Marine Ethanol Treatment | Most Popular Lucas Oil 10003 Fuel Treatment | Best Rated STA-BIL Storage Fuel Stabilizer | Best Value Royal Purple 18000 Fuel Injector Cleaner | |
|---|---|---|---|---|
| Price | $8.48 | $9.89 | $10.61 | $6.48 |
| Rating | 4.8/5 | 4.8/5 | 4.8/5 | 4.6/5 |
| Reviews | 8,006 | 24,615 | 14,291 | 3,314 |
| Mubboo Score | A+ | A+ | A+ | A |
Quick Specs
- Color
- Black
- Capacity
- 8 Fluid Ounces
- Material
- Plastic
- Fuel Type
- Gasoline
- Unit Count
- 1.00 Count
- Item Weight
- 0.54 Pounds
- Part Number
- 770-176
- Manufacturer
- Gold Eagle Co.
What People Say
Synthesized from 40 reviews · 100% verified purchases.
For maximum cleaning power, choose a product with high PEA content like Red Line SI-1 or Chevron Techron, but expect to use multiple treatments for severe deposits. For long-term storage, use a dedicated stabilizer such as STA-BIL or Star Tron to prevent gum and starting problems.
- Improved engine performance and smoothness
- Effective fuel system cleaning and deposit removal
- Ease of use
- Fuel economy improvement
- Long-term fuel stabilization for storage
- High price and recent price increases
- Packaging issues during shipping
Expert Picks in Fuel Additives
- Chevron Techron Concentrate Plus Complete Fuel System Cleaner — Best fuel injector cleaner overall
- Lucas Upper Cylinder Lubricant and Injector Cleaner — Best fuel injector cleaner for diesel engines
- Gumout Regane High Mileage Fuel System Cleaner — Best fuel injector cleaner for high-mileage cars, engines and vehicles
- Royal Purple Max Atomizer Fuel Injector Cleaner — Best fuel injector cleaner for direct-injection cars and engines
Category recommendations from independent expert publications. Source links in References.
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- 📹 Redline SI-1 vs Techron — Which One Is Actually Worth Your Money? | Fuel System Cleaner Finals — Chris from Beachside Auto Parts
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, ensu…
- ✦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 syste…
- ✦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 e…
Source: product listing on Amazon.
About STA-BIL
- 54 products in our database
- Average rating: 4.8/5 across all products
- Price range: $2 – $176.24
- Categories: Fuel Additives, Motor Oil, Pressure Washers
Other Fuel Additives
Featured in Our Reviews
Bottom Line
STA-BIL 360 Marine Ethanol Treatment earns Mubboo Score A+. At $8 it's $1 below the 90-day average and near its lowest tracked price — a good time to buy. Rated 4.8/5 from 8,006+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option.
Frequently Asked Questions
Is the STA-BIL 360 Marine Ethanol Treatment worth buying in 2026?
It earns a Mubboo Score of A+, with a 4.8/5 rating from 8,006 reviews — better than 100% of Fuel Additives we track.
How much does the STA-BIL 360 Marine Ethanol Treatment cost?
It is currently $8.48. The 90-day average is $9.90 and the all-time low we recorded is $4.80.
How does the 360 Marine Ethanol Treatment compare to other Fuel Additives?
The category's most-reviewed alternative is the Lucas Oil 10003 Fuel Treatment (4.8/5, 24,615 reviews, $9.89). The 360 Marine Ethanol Treatment carries a Mubboo Score of A+ vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-05) and may change.