STA-BIL 360 Marine Fuel System Treatment
32 oz – Treats 320 Gallons – Fuel System Cleaner & Injector Cleaner for Boats & Watercraft, Removes Water…
Price as of 2026-06-08. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$3–$10
- Mid-range:$10–$26← You are here
- Premium:$26+
Is This Right For You?
- •Those who want a top-rated option — in the top 1% of Fuel Additives by rating
- •Risk-averse buyers — 8,003+ reviews give a highly reliable picture
- •STA-BIL loyalists — the brand spans 54 products in our database
- •Liqui Moly Valve Clean — 60% cheaper at $8 (Score A)
📊 Based on data analysis of 53 products in this category.
Mubboo Score: A-
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 53 Fuel Additives available to US consumers · last refreshed 2026-06-08.
How It Compares
This Product STA-BIL 360 Marine Fuel System Treatment | Most Popular Lucas Oil 10003 Fuel Treatment | Best Rated STA-BIL Storage Fuel Stabilizer | Best Value Liqui Moly Valve Clean | |
|---|---|---|---|---|
| Price | $19.99 | $9.89 | $10.61 | $8 |
| Rating | 4.8/5 | 4.8/5 | 4.8/5 | 4.7/5 |
| Reviews | 8,003 | 24,615 | 14,291 | 4,201 |
| Mubboo Score | A- | A+ | A+ | A |
Quick Specs
- Shape
- Round
- Theme
- Sports
- Crystal
- Sapphire Crystal
- Display
- Analog
- Band Color
- Blue
- Clasp Type
- Buckle
- Dial Color
- Blue
- Face Style
- Classic
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
Related Video Reviews
- 📹 The TRUTH About DIESEL ADDITIVES…Scam or Science? — Freedom Worx
- 📹 STOP Buying Diesel Fuel Additives - Here's Why! — The Motor Oil Geek
- 📹 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
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Featured in Our Reviews
Bottom Line
STA-BIL 360 Marine Fuel System Treatment earns Mubboo Score A-. Priced at $20 — a mid-range option, below the category average of $20. Rated 4.8/5 from 8,003+ reviews. Strong buy if: those who want a top-rated option, risk-averse buyers.
Frequently Asked Questions
Is the STA-BIL 360 Marine Fuel System Treatment worth buying in 2026?
It earns a Mubboo Score of A-, with a 4.8/5 rating from 8,003 reviews — better than 100% of Fuel Additives we track.
How much does the STA-BIL 360 Marine Fuel System Treatment cost?
It is currently $19.99 — mid-tier pricing for Fuel Additives.
How does the 360 Marine Fuel System 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 Fuel System 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 (2026-06-08) and may change.