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Fuel Additives

34 Results
  • STA-BIL 360 Marine Ethanol Fuel Treatment 32 oz.
    STA-BIL 360 Marine Ethanol Fuel Treatment 32 oz.
    $23.74 $24.99
    Save $1.25 ( 5% Off )
    Compare at $27.99
  • CRC Marine Fuel Stabilizer, 16 oz.
    CRC Marine Fuel Stabilizer, 16 oz.
    $5.91 $8.01
    Save $2.10 ( 26% Off )
    Clearance
  • Sta-Bil Diesel Formula Fuel Stabilizer, 128 oz.
    Sta-Bil Diesel Formula Fuel Stabilizer, 128 oz.
    $59.91 $80.91
    Save $21.00 ( 26% Off )
    Clearance
  • Star Tron Fuel Treatment, 8 oz.
    Star Tron Fuel Treatment, 8 oz.
    $12.34 $12.99
    Save $0.65 ( 5% Off )
  • CRC Marine Motor Treatment
    CRC Marine Motor Treatment
    $6.91 $10.99
    Save $4.08 ( 37% Off )
    Clearance
  • CRC Phaseguard 4 Ethanol Fuel Treatment, 8 oz.
    CRC Phaseguard 4 Ethanol Fuel Treatment, 8 oz.
    $7.91 $11.82
    Save $3.91 ( 33% Off )
    Clearance
  • Quicksilver Quickare Fuel Treatment, 12 oz.
    Quicksilver Quickare Fuel Treatment, 12 oz.
    $10.69 $11.99
    Save $1.30 ( 11% Off )
  • Sea Foam Motor Treatment – 16 oz.
    Sea Foam Motor Treatment – 16 oz.
    $8.51 $10.99
    Save $2.48 ( 23% Off )

  • Engine Parts Selector

  • Lucas Oil Marine Fuel Treatment, Gallon
    Lucas Oil Marine Fuel Treatment, Gallon
    $56.99 $59.99
    Save $3.00 ( 5% Off )
  • Honda Marine Fuel Stabilizer And Corrosion Inhibitor, 8 oz.
    Honda Marine Fuel Stabilizer And Corrosion Inhibitor, 8 oz.
    $4.91 $7.99
    Save $3.08 ( 39% Off )
    Clearance
  • Star Tron Fuel Tank Cleaner, 64 oz.
    Star Tron Fuel Tank Cleaner, 64 oz.
    $33.24 $34.99
    Save $1.75 ( 5% Off )
  • Lucas Oil Marine Fuel Treatment, Quart
    Lucas Oil Marine Fuel Treatment, Quart
    $17.09 $17.99
    Save $0.90 ( 5% Off )
  • STA-BIL 360 Marine Ethanol Fuel Treatment, 8 oz.
    STA-BIL 360 Marine Ethanol Fuel Treatment, 8 oz.
    $7.59 $9.99
    Save $2.40 ( 24% Off )
    Compare at $10.99
  • Star Brite Star Tron Enzyme Gasoline Additive, 16 oz.
    Star Brite Star Tron Enzyme Gasoline Additive, 16 oz.
    $14.24 $14.99
    Save $0.75 ( 5% Off )
  • STA-BIL Fuel Stabilizer
    STA-BIL Fuel Stabilizer
    $15.24 $18.99
    Save $3.75 ( 20% Off )
  • Lucas Oil Deep Clean Fuel System Cleaner, 16 oz.
    Lucas Oil Deep Clean Fuel System Cleaner, 16 oz.
    $9.49 $9.99
    Save $0.50 ( 5% Off )

  • Free shipping for Good Sam members on orders over $49

  • Lucas Oil Upper Cylinder Lube, 5.25 oz.
    Lucas Oil Upper Cylinder Lube, 5.25 oz.
    $5.69 $5.99
    Save $0.30 ( 5% Off )
  • Gold Eagle ISO-HEET Premium Fuel Line Antifreeze, 12 oz.
    Gold Eagle ISO-HEET Premium Fuel Line Antifreeze, 12 oz.
    $3.79 $3.99
    Save $0.20 ( 5% Off )
  • Star Brite Fuel System And Injector Cleaner, 4 oz.
    Star Brite Fuel System And Injector Cleaner, 4 oz.
    $5.69 $5.99
    Save $0.30 ( 5% Off )