Best Oil Additive For 7.3 Powerstroke: image
Best Overall

Lucas Fuel Treatment is formulated for both gasoline and diesel engines, which are required to pass smog tests. The treatment contains no harmful chemicals or additives in the fuel. It can also be used with low-sulfur diesel as it has less sulfur than regular gasoline. Notably, the US government has banned the use of leaded fuel since it was found to be harmful to human health.

Best Budget

For the 6.0L and 7.3L Power Stroke engines. The 16oz AR9100 Friction Modifier reduces engine noise, vibration and heat to extend the component life. It can also be used on turbochargers and diesel engines. This product has been approved by the National Motor Vehicle Safety Council (NMSC) for use in diesel engines. Notably, it is available in two sizes: Standard and Premium.

Honorable Mention

Limited-slip differentials to reduce chatter and hypoid gear noise levels. The tapered neck applicator has a threaded neck for easy use. It can also be used as a handbrake for the transmission of high-speed gears. Not suitable for use on all types of vehicles, including those with limited slip differentials. For use on certain other limited slip differentials. Not recommended for use on low-speed drives.

Best Oil Additive For 7.3 Powerstroke

Top 9 Best Oil Additive For 7.3 Powerstroke

1
Why we chose it
  • RECLAIMS LOST HORSEPOWER: Rev up your engine when you use Opti-Lube Stiction Rx! This oil treatment reclaims your lost horsepower, virtually restoring your engine to its full capacity.
  • CLEANS HEUI INJECTORS: This formula is based on our popular Oil Fortifier. We ve added more detergent to better clean the top part of injectors. It will remove stubborn oil deposits with ease.
  • ELIMINATES STICTION: Stiction occurs when spool valves stick, generating friction within the injector oiling chambers. Stiction Rx helps remove this gunk in the injectors of your 6.0 or 7.3 Ford Powerstroke engine.
  • GETS RID OF OIL SLUDGE: Sludge and build-up in your oil passages can harm your motor s overall efficiency, power, and performance. Stiction Rx helps flush out your oil passages for smoother operating.
  • FOR DIESEL ENGINES: Our Stiction Rx oil additive is specifically designed to clean injectors of 6.0 and 7.3 Powerstroke diesel motors.
Opti-Lube Stiction Rx Oil Additive for 6.0 and 7.3 Powerstrokes: 1 Pint (16oz): image
88%
customers recommend this product
4.4/ 5
2
Why we chose it
  • Fixes 6.0L and 7.3L Power Stroke cold start injector problems
  • 16oz AR9100 Friction Modifier – treats one Power Stroke
  • For all diesel and gasoline engines, gearboxes, hydraulics, differentials and power steering systems
  • Reduces engine noise, vibration and heat
  • Reduces wear and extends component life
Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems: image
94%
customers recommend this product
4.7/ 5
Longevity4.8
Easy to use4.5
Mileage4.4
Value for money4.3
3

CamGuard Oil Additive (Aircraft)

54 ratings | 5 offers | 54 Reviews
Price: $30.91$34.86
Why we chose it
  • CamGuard Aviation contains advanced anti-wear additives to dramatically reduce the wear of cams, lifters, cylinders, rings, gears and valve guides.
  • CamGuard Aviation contains powerful multi-metal corrosion inhibitors that prevent rust and corrosion in infrequently used engines. Infrequent engine use can lead to rust pits forming on cam and lifter surfaces. This pitting can result in catastrophic spalling wear requiring a premature engine overhaul.
  • CamGuard Aviation is a blend of high performance additives that fortify piston aircraft oils to provide the utmost in engine protection. Because of FAA regulations and costs, even the newest commercial aircraft oil technology is antiquated.
  • CamGuard Aviation prevents scuffing wear from dry starts by maintaining an active lubricant film on critical parts, even after periods of prolonged inactivity.
  • CamGuard Aviation addresses the complex interrelated problems of corrosion, deposits and wear in air-cooled piston aircraft engines.
CamGuard Oil Additive (Aircraft): image
98%
customers recommend this product
4.9/ 5
4
Why we chose it
  • Reduces piston scuffing
  • Boosts Zinc and Phosphorous Levels
  • Increases engine life
  • Prevents camshaft wear
  • Makes newer oils work in older engines
Rislone 4405 Engine Oil Supplement Concentrate with Zinc Treatment - 11 oz, Yellow: image
96%
customers recommend this product
4.8/ 5
Noise level5
Longevity4.7
Value for money4.7
Mileage4.7
5

Genuine Ford Fluid XL-3 Friction Modifier Additive – 4 oz.

2,266 ratings | 9 offers | 2,266 Reviews
Price: $10.27$15.99
Why we chose it
  • Added to lubricants to reduce the surface friction of the lubricated parts
  • Formulated for automotive use
  • Tapered neck applicator for easy use
  • For use on certain limited-slip differentials to reduce chatter and hypoid gear noise levels
  • Use according to owner guide recommendations
Genuine Ford Fluid XL-3 Friction Modifier Additive - 4 oz.: image
96%
customers recommend this product
4.8/ 5
Value for money4.7
Scent3.3
Top Pick
6

Lucas LUC10013 10013 Fuel Treatment – 1 Gallon

10,002 ratings | 38 offers | 10,002 Reviews
Price: $26.99$54.27
Why we chose it
  • Package Dimensions: 7.23 L x 4.93 H x 5.75 W (inches)
  • Country of Origin : United States
  • Package Weight : 8 pounds
  • Fit Type: Vehicle Specific
Lucas LUC10013 10013 Fuel Treatment - 1 Gallon: image
96%
customers recommend this product
4.8/ 5
Easy to use4.8
Value for money4.7
Longevity4.6
Mileage4.6
7

BestLine Racing Engine Oil Treatment (12 ounce)

488 ratings | 2 offers | 488 Reviews
Price: $18.95$24.95
Why we chose it
    BestLine Racing Engine Oil Treatment (12 ounce): image
    94%
    customers recommend this product
    4.7/ 5
    Longevity5
    Mileage4.4
    Value for money4.4
    8
    Why we chose it
    • Helps prevent gelling of diesel fuel in lines, filters, and tanks
    • Smoothes engine operation improves fuel economy
    • Improves starting ability in cold weather
    • Specially formulated for diesel engines to combat the effects of poor-quality diesel fuel
    • Ultra low sulfur diesel meets ULSD compliant
    Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver - 20 oz.: image
    94%
    customers recommend this product
    4.7/ 5
    Value for money5
    Mileage4.6
    9

    Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce

    684 ratings | 1 offers | 684 Reviews
    Price starts from: $15.99
    Why we chose it
    • Restores performance in engines due to wear and oil consumption in older engines
    • Powerful detergents to remove and prevent oil sludge, use during your next oil change or between changes to replace lost additive content
    • This product is dispensed in 10W-30 which is a multi-grade oil but is fully compatible with all multi grade motor oils and mono grade oils. It is fully compatible with all conventional, semi-synthetic and full synthetic oil types.
    • Powerful detergents to remove and prevent oil sludge, use during your next oil change or between changes to replace lost additive content
    • High Mileage solution to protect against power robbing friction heat and wear
    • Revitalizes seals to help stop oil leaks and prevent them from ever occuring
    Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce: image
    94%
    customers recommend this product
    4.7/ 5
    Longevity4.8
    Value for money4.8
    Mileage4.8
    Top Pick
    Lucas LUC10013 10013 Fuel Treatment - 1 Gallon
    Lucas Fuel Treatment is formulated for both gasoline and diesel engines, carbureted or fuel injected. It gives your fuel system what it really needs - a blend of super slick oils and additives with a high detergent action that allows the engine to operate at maximum efficiency. Also, it cleans and lubricates the carburetor and injectors and causes the fuel to burn more thoroughly for increased power and less fuel consumption. Lucas Fuel Treatment should definitely be used in vehicles that require leaded fuel because it actually replaces the benefits of lead in gasoline without causing harmful emissions. Use it to pass smog tests. Finally, it totally neutralizes the harmful effects of low sulfur diesel fuel.
    Ranking the Brands
    Opti-Lube: 11.11%
    Archoil: 11.11%
    Aircraft Specialties Lubricants: 11.11%
    Hy-per Lube by Rislone: 11.11%
    Ford: 22.22%
    Lucas Oil: 11.11%
    BestLine Superior Lubricants: 11.11%
    Slick 50: 11.11%

    Comparison Table

    Сomparison: Opti-Lube Stiction Rx Oil Additive for 6.0 and 7.3 Powerstrokes: 1 Pint (16oz): imageСomparison: Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems: imageСomparison: CamGuard Oil Additive (Aircraft): imageСomparison: Rislone 4405 Engine Oil Supplement Concentrate with Zinc Treatment - 11 oz, Yellow: imageСomparison: Genuine Ford Fluid XL-3 Friction Modifier Additive - 4 oz.: imageСomparison: Lucas LUC10013 10013 Fuel Treatment - 1 Gallon: imageСomparison: BestLine Racing Engine Oil Treatment (12 ounce): imageСomparison: Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver - 20 oz.: imageСomparison: Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce: image
    Opti-Lube Stiction Rx Oil Additive for 6.0 and 7.3 Powerstrokes: 1 Pint (16oz)Archoil AR9100 Oil Additive (16oz) for All Vehicles – Powerstroke Cold Starts, Eliminates Injector ProblemsCamGuard Oil Additive (Aircraft)Rislone 4405 Engine Oil Supplement Concentrate with Zinc Treatment – 11 oz, YellowGenuine Ford Fluid XL-3 Friction Modifier Additive – 4 oz.Lucas LUC10013 10013 Fuel Treatment – 1 GallonBestLine Racing Engine Oil Treatment (12 ounce)Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver – 20 oz.Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
    ManufacturerOpti-LubeArchoilRisloneRain-XLucasBestLine RacingFordSlick 50
    BrandOpti-LubeArchoilAircraft Specialties LubricantsHy-per Lube by RisloneFordLucas OilBestLine Superior LubricantsFordSlick 50
    Item Weight16 ounces1 pounds1.1 pounds11.8 ounces4.8 ounces8 pounds13.1 ounces1.2 pounds1.01 pounds
    Product Dimensions3.25 x 2 x 7.25 inches10 x 10 x 10 inches1.8 x 3 x 6.6 inches7.23 x 5.75 x 4.93 inches8 x 3.5 x 2 inches9.3 x 3.7 x 2.2 inches2.05 x 9.37 x 3.46 inches
    Is Discontinued By ManufacturerNoNoNoNoNoNo
    Liquid Volume5 Liters5 Quarts15 Fluid Ounces

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