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10 bestDiesel Engine Fuel Additivesof November 2025

112M consumers helped this year.

1

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

10.0

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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

10.0

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3

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

Lucas Oil

9.9

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4

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

Stanadyne

9.7

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5

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

9.4

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Related productsUp to 5% off

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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Liqui Moly 2005 Diesel Purge - 500 ml

Liqui Moly 2005 Diesel Purge - 500 ml

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4 Bottles of Stanadyne 38564 Performance Formula 8 oz Diesel Fuel Additive by Stanadyne

4 Bottles of Stanadyne 38564 Performance Formula 8 oz Diesel Fuel Additive by Stanadyne

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Lucas 10020 Fuel Treatment - 5.25 oz

Lucas 10020 Fuel Treatment - 5.25 oz

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6

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

9.2

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7

STANADYNE DIESEL PERFORMANCE FORMULA - 64 OZ.
STANADYNE DIESEL PERFORMANCE FORMULA - 64 OZ.

Stanadyne

8.9

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23% off

8

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

Lucas Oil

8.7

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9

STANADYNE Diesel Lubricity Formula - 64 OZ.
STANADYNE Diesel Lubricity Formula - 64 OZ.

Stanadyne

8.4

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5% off

10

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

Liqui Moly

8.1

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