STA-BIL 360 Marine Ethanol Treatment - Fuel Additives | Mubboo
STA-BIL

STA-BIL 360 Marine Ethanol Treatment

8 oz

$8.48$8.4904.8(8,006 reviews)
Mubboo Score A+
Buy on Amazon $8.48

Price as of 2026-06-05. Check Amazon for the current price.

Quick Decision

Mubboo Score
A+
Best For
Budget-conscious shoppers
Reviews
8,006+ · reliable

Price Intelligence

📊 In Fuel Additives, this is a budget pick.
  • Budget:$7–$11← You are here
  • Mid-range:$11–$24
  • Premium:$24+

Is This Right For You?

✅ Great for
  • Budget-conscious shoppers — priced below 80% 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

📊 Based on data analysis of 15 products in this category.

Mubboo Score: A+

Quality9.6/10
based on 4.8/5 customer rating
Popularity8.9/10
8,006 reviews, top 60% in Fuel Additives
Value8.0/10
priced below 80% of Fuel Additives
How we calculate the Mubboo Score

Quality (45%): customer rating, normalized to a 10-point scale

Popularity (35%): review volume vs the category leader, log-scaled

Value (20%): price position vs other Fuel Additives

Computed from live Amazon rating, review count, and price across 15 Fuel Additives available to US consumers · last refreshed 2026-06-05.

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
Red Line SI-1 Complete Fuel System Cleaner
Price$8.48$11.59$12.48$17.47
Rating4.8/54.8/54.8/54.8/5
Reviews8,00624,61514,2919,216
Mubboo ScoreA+A+AA

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 buyers say about Fuel Additives

Themes from buyer reviews across this category — not review data for this specific model.

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.

Praised for
  • Improved engine performance and smoothness
  • Effective fuel system cleaning and deposit removal
  • Ease of use
  • Fuel economy improvement
  • Long-term fuel stabilization for storage
Common complaints
  • High price and recent price increases
  • Packaging issues during shipping

Expert Picks in Fuel Additives

thedrive
  • Lucas LUC10013 Fuel Treatment — Best Overall
  • Red Line Complete Fuel System Cleaner — Best Value
  • Star Tron Enzyme Fuel Treatment Concentrate — Honorable Mention
  • Opti-Lube XPD Formula Diesel Fuel Additive — Best for Diesel Engines
cartreatments
  • Red Line SI-1 Complete Fuel System Cleaner — Strongest PEA Cleaner
  • BG Platinum 44K Fuel System Cleaner — Professional Grade
  • CRC 1-Tank Power Renew — High PEA Concentration
  • Chevron Techron Concentrate Plus — Best for Regular Maintenance

Category recommendations from independent expert publications. Source links in References.

Related Video Reviews

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

  • 8 products in our database
  • Average rating: 4.8/5 across all products
  • Price range: $6.84$26.99
  • Categories: Fuel Additives

If not the 360 Marine Ethanol Treatment, consider these

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STA-BIL Small Engine Pro Multi-System Additive - Protects Against Ethanol - Cleans Carb And Injectors - Improves Engine Efficiency - Lubricates Valves And Pistons, 16 fl. oz. (22305) , Red - Fuel Additives | Mubboo
STA-BIL Small Engine Pro Multi-System Additive
$6.84 · 4.6 (862)
$1.60 less than the 360 Marine Ethanol Treatment, with 4.6★ from 862 reviews
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Lucas Oil 10003 Fuel Treatment - 1 Quart - Fuel Additives | Mubboo
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$11.59 · 4.8 (24,615)
24,615 reviews — 3.1× more than the 360 Marine Ethanol Treatment
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Featured in Our Reviews

Bottom Line

STA-BIL 360 Marine Ethanol Treatment earns Mubboo Score A+. Priced at $8 — a budget-friendly option, below the category average of $18. Rated 4.8/5 from 8,006+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option.

Buy on Amazon $8.48Last verified: 2026-06-05

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 — budget-tier pricing for Fuel Additives.

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, $11.59). The 360 Marine Ethanol Treatment carries a Mubboo Score of A+ vs A+.

Sources & References

Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.

Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-05) and may change.