Fuel Treatment
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Starbrite Star Tron SEF Diesel Add 8Oz 14408
Starbrite
$15.59 $10.86Starbrite Star Tron Sef Diesel Add 8Oz 14408 • Small Engine Formula (SEF) improves engine performance and stabilizes the fuel while reducing soot and other harmful emissions• It's also excellent for rejuvenating old fuel- Part Number:
- 74-14408
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8 oz.
- Treats:
- 128 gal.
$15.59 $10.86 -
Starbrite Star Tron SEF Gas Additive 8Oz 14308
Starbrite
$15.19 $7.79Starbrite Star Tron Sef Gas Additive 8Oz 14308 • Small engine formula• Reduces all emissions• Prevents fuel oxidation and stabilizes fuel chemistry for at least one year• Lowers fuel system maintenance• Eliminates carbon build-up...- Part Number:
- 74-14308
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8 fl. Oz.
- Treats:
- 48 Gallons
$15.19 $7.79 -
Starbrite Star Tron Tank Cleaner Gallon 93600
Starbrite
$84.39 $73.31Starbrite Star Tron Tank Cleaner Gallon 93600 • Gasoline and diesel fuel tank cleaner for the tank that has extremely heavy sludge and related deposits before starting on a regular Star tron treatment program• Will safely clean fuel tank walls...- Part Number:
- 74-93600
- Availability:
- In Stock - Ships same or next business day.
- Size:
- Gallon
- Treats:
- 500 gal.
$84.39 $73.31 -
Starbrite Startron Mini-Countertop Dsply 93615
Starbrite
$112.69 $76.70Starbrite Startron Mini-Countertop Dsply 93615 • 1 oz• Treats 16 gallons of gasoline• Overdosing is not harmful• 93615: StarTron Mini Countertop Display: 6 ea• (93008), 8 fl• oz• 93625: StarTron Small Countertop...- Part Number:
- 74-93615
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Mini counter top display
$112.69 $76.70 -
Starbrite Startron Shoot Dsp Concentrated 12-1Oz 14512
Starbrite
$65.19 $45.91Starbrite Startron Shoot Dsp Concentrated 12-1Oz 14512 • 1 oz• Treats 25 gallons of gasoline• Overdosing is not harmful- Part Number:
- 74-14512
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Dispenser w/12 ea 1 oz. Bottles
$65.19 $45.91
Fuel Treatment for Boats
Protect your engine and improve performance with premium boat fuel treatment products from PowerBoatSupply.com. Whether you need gas stabilizers, diesel additives, or complete marine fuel system cleaners, our wide selection from trusted brands like STA-BIL, Star Tron, and CRC keeps your boat’s fuel fresh and your engine running at peak performance. A small investment in the right marine fuel additive can prevent costly repairs and extend the life of your engine.
Why Use Fuel Treatment in Your Boat?
Modern fuels often contain ethanol, which attracts water and can cause corrosion, fuel separation, and hard starts in marine engines. The right fuel stabilizer prevents fuel breakdown during storage, while additives clean injectors and carburetors for smoother operation. For diesel-powered boats, specialized diesel fuel additives prevent gelling, improve lubricity, and protect against microbial growth in fuel tanks.
Our Fuel Treatment Selection
We carry a complete line of fuel treatments and additives for both gas and diesel engines, including:
- Fuel stabilizers – Keep gasoline fresh during long-term storage
- Marine fuel system cleaners – Remove carbon deposits and varnish buildup
- Diesel fuel additives – Prevent gelling and improve winter performance
- Water absorbers – Eliminate excess moisture from fuel tanks
From seasonal storage to everyday boating, our inventory has the right solution to maintain your boat’s engine health and efficiency.
When Should You Use Marine Fuel Additives?
Fuel treatments are especially important before storing your boat for winter. Add a stabilizer to your fuel tank and run the engine so treated fuel circulates through the system. For frequent boaters, using a cleaner every few fill-ups helps reduce carbon deposits and maintain smooth throttle response. Diesel boat owners should use additives year-round to prevent injector wear and keep fuel flowing in cold weather.
Shop Fuel Treatment Products Online
PowerBoatSupply.com makes it easy to shop for boat fuel stabilizers, cleaners, and diesel fuel additives from leading marine brands. With fast shipping, competitive pricing, and our decades of experience in marine parts and accessories, you can trust us to keep your boat’s fuel system in top condition. Order today and protect your engine for seasons to come.