10 bestDiesel Engine Fuel Additivesof July 2025
112M consumers helped this year.
5% off
1

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

9.8
2

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

9.6
3

Lucas 10013 Fuel Treatment - 1 Gallon
Lucas Oil

9.4
4

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

9.1
5

STANADYNE DIESEL PERFORMANCE FORMULA - 64 OZ.
Stanadyne

8.8
OtherUp to 10% off
6

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

8.5
21% off
7

Fuel Treatment/1x1/Quart
Lucas Oil

8.2
12% off
8

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

7.9
9

Lucas 10020 Fuel Treatment - 5.25 oz
Lucas Oil

7.6
10

Liqui Moly 2005 Diesel Purge - 500 ml
Liqui Moly

7.3

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