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10 bestDiesel Engine Fuel Additivesof May 2025

112M consumers helped this year.

6% off

1

Hot Shot's Secret - HSSEDT01G Everyday Diesel Treatment - EDT 1 Gallon - Treats Up to 3,200 Gallons
Hot Shot's Secret - HSSEDT01G Everyday Diesel Treatment - EDT 1 Gallon - Treats Up to 3,200 Gallons

Hot Shot's Secret

9.8

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8% off

2

Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS)
Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS)

Hot Shot's Secret

9.6

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3

Lucas 10013 Fuel Treatment - 1 Gallon
Lucas 10013 Fuel Treatment - 1 Gallon

Lucas Oil

9.4

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4

Hot Shot's Secret - P040464Z Diesel Extreme Clean and Boost - 64 fl. oz.
Hot Shot's Secret - P040464Z Diesel Extreme Clean and Boost - 64 fl. oz.

Hot Shot's Secret

9.1

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14% off

5

Fuel Treatment/1x1/Quart
Fuel Treatment/1x1/Quart

Lucas Oil

8.8

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Related productsUp to 11% off

Stanadyne Performance Formula Diesel Fuel Additive 2 Pack of 1/2 Gallon Jugs - Part # 38566

Stanadyne Performance Formula Diesel Fuel Additive 2 Pack of 1/2 Gallon Jugs - Part # 38566

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Lucas 10020 Fuel Treatment - 5.25 oz

Lucas 10020 Fuel Treatment - 5.25 oz

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Lucas Oil 10080 Upper Cylinder Lube/Fuel Treatment - 5 Gallon Pail

Lucas Oil 10080 Upper Cylinder Lube/Fuel Treatment - 5 Gallon Pail

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STANADYNE DIESEL PERFORMANCE FORMULA - 64 OZ.

STANADYNE DIESEL PERFORMANCE FORMULA - 64 OZ.

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6

Liqui Moly 2005 Diesel Purge - 500 ml
Liqui Moly 2005 Diesel Purge - 500 ml

Liqui Moly

8.5

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7

Opti-Lube XPD Diesel Fuel Improver: 1 Gallon Without Accessories Treats up to 512 Gallons
Opti-Lube XPD Diesel Fuel Improver: 1 Gallon Without Accessories Treats up to 512 Gallons

Opti-Lube

8.2

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8

Liqui Moly (2032) Pro-Line Diesel Cleaner, blue, red, 500ml
Liqui Moly (2032) Pro-Line Diesel Cleaner, blue, red, 500ml

Liqui Moly

8.0

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9

Hot Shot's Secret SSFP Signature Series Fuel Pack 32 Ounce 2 Pack, Amber
Hot Shot's Secret SSFP Signature Series Fuel Pack 32 Ounce 2 Pack, Amber

Hot Shot's Secret

7.7

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10

Stanadyne Performance Formula Diesel Fuel Additive case of 24 x 8 oz.
Stanadyne Performance Formula Diesel Fuel Additive case of 24 x 8 oz.

7.4

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