Fuel and Oil Additives
Schaeffer's FUEL AND OIL ADDITIVES can increase fuel economy.
There are many reasons you should be using fuel and oil additives. We have listed a few for you.
- remove carbon deposits from injectors
- help prevent gelling
- disperse water in fuel
- improve cetane
- increase fuel lubricity
- fewer emissions
- increased fuel economy
Here are some reviews from real customers:
"Neutra improves your MPG. We have been a BIG Neutra fan ever since our mechanic poured a bottle in our early 90's Motorhome and our gas mileage improved. We use it in all our vehicles for better mileage and instead of Sta-Bil for long term storage." Diane C.
"Moly EP. I have higher mileage vehicles and have been using Moly EP for 3 years. It was recommended to me by a diesel mechanic. They use it in all their over the road trucks. I add a pint at every oil change. I was able to get 275,000 miles on my wife's Tahoe before we sold it." William B.
"CarbonTreat all season. The CarbonTreat is a wonderful product it keeps the fuel filter cleaner and longer." Cody
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Schaeffer 5131 Extreme Marine Gasoline Fuel Additive (24-12oz bottles)
Schaeffer Mfg Co.
$389.26NEW ITEM! (12 oz Bottles are same packaging as 131 Neutra) Schaeffer's 5131 Extreme Marine Gasoline Fuel Additive (24x12 oz case) is a highly concentrated, multifunctional ashless gasoline additive. It is specially formulated for use in all...$389.26 -
Schaeffer 132-006 Moly EP Engine Oil Treatment (6-Gallons)
Schaeffer Mfg Co.
$532.88Save 10% when you buy 2! Schaeffer's 132 Moly EP (Extreme Pressure) Engine Oil Treatment (6x1 gallon case) is a highly fortified extreme pressure engine oil treatment. Moly EP Oil Treatment contains an advanced specialized additive...$532.88 -
Schaeffer 137CTPSC CarbonTreat Premium Summer (Extra Cetane) (5-Gallons)
Schaeffer Mfg Co.
$714.61Save 10% when you buy 2! Schaeffer's 137CTPSC CarbonTreat™ Premium Summer Diesel Treatment with EXTRA CETANE (5-Gallons) is a multi functional, ultra-low sulfur compliant diesel fuel additive. It is formulated to prevent and control the...$714.61 -
Schaeffer 131C-004 SoyUltra Gasoline Additive (4-Gallons)
Schaeffer Mfg Co.
Now: $407.19Was: $421.23Save 10% when you buy 3! Schaeffer's 131C SoyUltra® Gasoline Additive (4-Gallons) is a concentrated, multi-functional, ashless gasoline additive. It is specially formulated for use in all types of gasoline and ethanol blends. Designed to...Now: $407.19Was: $421.23 -
Schaeffer 137CTPS-004 CarbonTreat Premium Summer (4-Gallons)
Schaeffer Mfg Co.
$525.19Save 10% when you buy 2! Schaeffer's 137CTPS CarbonTreat™ Premium Summer Diesel Treatment (4-Gallons) is a multi functional, ultra-low sulfur compliant diesel fuel additive. It is formulated to prevent and control the formation of asphaltenes...$525.19 -
Schaeffer 137CTPW-004 CarbonTreat Premium Winter (4-Gallons)
Schaeffer Mfg Co.
$430.09Save 10% when you buy 3! Schaeffer's 137CTPW CarbonTreat™ Premium Winter Diesel Treatment (4-Gallons) is a multifunctional, ultra-low sulfur compliant diesel fuel additive. It is formulated to prevent and control the formation...$430.09 -
Schaeffer 300ULSW-004 Arctic Shield (4-Gallons)
Schaeffer Mfg Co.
Now: $361.95Was: $464.41Save 10% when you buy 3! Schaeffer's 300ULSW Arctic Shield + Ultra Low Sulfur (4-Gallons) is a highly concentrated ashless diesel fuel additive. It is specifically formulated to provide Ultra Low Sulfur Diesel Fuel with maximum cold temperature...Now: $361.95Was: $464.41 -
Schaeffer 137ULSW-004 Diesel Treat 2000 Ultra Low Sulfur Winter (4-Gallons)
Schaeffer Mfg Co.
Now: $349.78Was: $476.82Save 10% when you buy 3! Schaeffer's 137ULSW Diesel Treat 2000 Ultra Low Sulfur Winter Premium (4-Gallons) fuel additive is specially formulated to provide diesel fuel with maximum cold temperature protection against fuel gelling, waxing and...Now: $349.78Was: $476.82 -
Schaeffer 137CTPWC CarbonTreat Premium Winter (Extra Cetane) (5-Gallons)
Schaeffer Mfg Co.
Now: $571.09Was: $600.85Save 10% when you buy 2! Schaeffer's 137CTPWC CarbonTreat™ Premium Winter Diesel Treatment with EXTRA CETANE (5-Gallons) is a multifunctional, ultra-low sulfur compliant diesel fuel additive. It is formulated to prevent and...Now: $571.09Was: $600.85 -
Schaeffer 137SUM Diesel Treat 2000 Ultra Low Sulfur (4-Gallons)
Schaeffer Mfg Co.
Now: $409.91Was: $419.32Save 10% when you buy 3! Schaeffer 137SUM Diesel Treat 2000 Ultra Low Sulfur Summer (4-Gallons) is: multi-functional, ultra low sulfur compliant, all season, economical, premium diesel fuel additive. It is specifically formulated to...Now: $409.91Was: $419.32 -
Schaeffer 137B Diesel Treat 2000 Ultra Low Sulfur Winter (4-Gallons)
Schaeffer Mfg Co.
$395.96Save 10% when you buy 3! Schaeffer's 137B Diesel Treat 2000™ Ultra Low Sulfur Winter (4-Gallons) is a multi-functional, ashless, ALL SEASON (INCLUDING WINTER) fuel additive. It is specially formulated for use with all types of...$395.96 -
Schaeffer 137CTPA-042 CarbonTreat Premium All Season (24-pints)
Schaeffer Mfg Co.
Now: $749.70Was: $942.08Save 10% when you buy 2! Schaeffer's 137CTPA CarbonTreat™ Premium All Season Diesel Treatment (24-Pints) is a multi-functional, ultra-low sulfur compliant diesel fuel additive. It is formulated to prevent and control the formation of...Now: $749.70Was: $942.08 -
Schaeffer 139A-004 SoyShield All Season Diesel (4-Gallons)
Schaeffer Mfg Co.
$334.60Save 10% when you buy 4! Schaeffer's 139A SoyShield® All Season Diesel Fuel Additive (4 Gallons) is a concentrated multi-functional premium diesel fuel additive. It is specially formulated for use in all types of diesel, especially low...$334.60 -
Schaeffer 139A-042 SoyShield All Season Diesel (24-pints)
Schaeffer Mfg Co.
Now: $340.03Was: $434.77Save 10% when you buy 3! Schaeffer's 139A SoyShield® All Season Diesel Fuel Additive (24 Pints) is a concentrated multi-functional premium diesel fuel additive. It is specially formulated for use in all types of diesel, especially low...Now: $340.03Was: $434.77 -
Schaeffer 141-003 Bio-Treat Premium Diesel (2x2.5 Gallons)
Schaeffer Mfg Co.
$624.39Save 10% when you buy 2! Schaeffer's 141 Bio-Treat Premium Diesel Fuel Treatment (2x2.5-Gallons) is a multi-functional biodiesel fuel additive. It is specially formulated to provide stability and control of many of the problems...$624.39 -
Schaeffer 137ND-004 Diesel Treat 2000 Ultra Low Sulfur (4-Gallons)
Schaeffer Mfg Co.
Now: $404.89Was: $469.55Save 10% when you buy 3! Schaeffer's 137ND Diesel Treat 2000™ Ultra Low Sulfur (4-Gallons) is an ashless, all-season fuel additive. It is formulated for use with all types of diesel fuel, especially low sulfur and ultra low...Now: $404.89Was: $469.55 -
Schaeffer 137-042 Diesel Treat 2000 Ultra Low Sulfur (24-Pints)
Schaeffer Mfg Co.
Now: $408.23Was: $478.23Save 8% when you buy 3! Schaeffer's 137 Diesel Treat 2000™ Ultra Low Sulfur (24-Pints) is an ashless, all-season fuel additive. It is formulated for use with all types of diesel fuel, especially low sulfur and ultra low sulfur...Now: $408.23Was: $478.23 -
Schaeffer 131-004 Neutra Fuel Stabilizer (4-Gallons)
Schaeffer Mfg Co.
Now: $273.27Was: $303.78Save 10% when you buy 5! Schaeffer's 131 Neutra™ Fuel Stabilizer (4-Gallons) is a highly concentrated, multi-functional, ashless fuel stabilizer. It is specially formulated for use in all grades of gasoline (including ethanol-blends), as...Now: $273.27Was: $303.78 -
Schaeffer 132-005 Moly EP Engine Oil Treatment (5-Gallons)
Schaeffer Mfg Co.
Now: $443.78Was: $519.08Save 10% when you buy 3! Schaeffer's 132 Moly EP (Extreme Pressure) Engine Oil Treatment (5-gallons) is a highly fortified extreme pressure engine oil treatment. Moly EP Oil Treatment contains an advanced specialized additive package. The...Now: $443.78Was: $519.08 -
Schaeffer 132-023 Moly EP Engine Oil Treatment (24-Pints)
Schaeffer Mfg Co.
Now: $340.22Was: $399.48Save 8% when you buy 3! Schaeffer's 132 Moly EP (Extreme Pressure) Engine Oil Treatment (24-pints) is a highly fortified extreme pressure engine oil treatment. Moly EP Oil Treatment contains an advanced specialized additive package. The...Now: $340.22Was: $399.48 -
Schaeffer 301-004 Tank Dry Fuel Treatment (4-Gallons)
Schaeffer Mfg Co.
Now: $368.91Was: $485.07Save 10% when you buy 3! Schaeffer's 301 Tank Dry Fuel Treatment (4-Gallons) is a moisture inhibiting fuel additive that is formulated for use in ALL types of fuels. It can be used in bio-diesel, gasoline and ethanol blends. When...Now: $368.91Was: $485.07 -
Schaeffer 285-013 Fuel Shock (12-Pints)
Schaeffer Mfg Co.
Now: $735.70Was: $786.73Save 10% when you buy 2! Schaeffer's 285 Diesel Fuel Shock (12-Pints) is a: dual phase, oil soluble, water soluble, potent broad-spectrum biocide. It is designed to kill, prevent and control bacterial and fungal growth that can occur...Now: $735.70Was: $786.73 -
Schaeffer 285-004 Fuel Shock (4-Gallons)
Schaeffer Mfg Co.
Now: $776.09Was: $855.04Save 10% when you buy 2! Schaeffer's 285 Diesel Fuel Shock (4-Gallons) is a: dual phase, oil soluble, water soluble, potent broad-spectrum biocide. It is designed to kill, prevent and control bacterial and fungal growth that can occur...Now: $776.09Was: $855.04 -
Schaeffer 137ULSW-042 Diesel Treat 2000 Ultra Low Sulfur Winter (24-Pints)
Schaeffer Mfg Co.
Now: $440.91Was: $585.35Save 10% when you buy 2! Schaeffer's 137ULSW Diesel Treat 2000 Ultra Low Sulfur Winter Premium (24-Pints) fuel additive is specially formulated to provide diesel fuel with maximum cold temperature protection against fuel gelling, waxing and...Now: $440.91Was: $585.35 -
Schaeffer 300ULSW-042 Arctic Shield (24-Pints)
Schaeffer Mfg Co.
Now: $352.97Was: $422.07Schaeffer's 300ULSW Arctic Shield + Ultra Low Sulfur (24-Pints) is a highly concentrated ashless diesel fuel additive. It is specifically formulated to provide Ultra Low Sulfur Diesel Fuel with maximum cold temperature protection against fuel...Now: $352.97Was: $422.07 -
Schaeffer 284-012 Diesel Hotline (12-Quarts)
Schaeffer Mfg Co.
$286.92Save 10% when you buy 4! Schaeffer's 0284-012 Diesel Hotline (12-Quarts) is an emergency treatment for gelled diesel fuel. This quick-acting additive dissolves gelled diesel fuel back into solution and returns the flow in 20 minutes. It is...$286.92 -
Schaeffer 131-021 Neutra Fuel Stabilizer (24-12oz Bottles)
Schaeffer Mfg Co.
$326.12Save 10% when you buy 3! Schaeffer's 131 Neutra™ Fuel Stabilizer (24-12 oz. bottles) is a highly concentrated, multi-functional, ashless fuel stabilizer. It is specially formulated for use in all grades of gasoline (including ethanol-blends),...$326.12 -
Schaeffer 131C-021 SoyUltra Gasoline Additive (24-12oz Bottles)
Schaeffer Mfg Co.
$382.41Save 8% when you buy 3! Schaeffer's 131C SoyUltra® Gasoline Additive (24-12 oz. bottles) is a concentrated, multi-functional, ashless gasoline additive. It is specially formulated for use in all types of gasoline and ethanol blends...$382.41