10 bestDiesel Engine Fuel Additivesof September 2025
112M consumers helped this year.
1
Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS)
Hot Shot's Secret
9.9
2
Lucas 10013 Fuel Treatment - 1 Gallon
Lucas Oil
9.8
3
Hot Shot's Secret - P040464Z Diesel Extreme Clean and Boost - 64 fl. oz.
Hot Shot's Secret
9.7
4
STANADYNE DIESEL PERFORMANCE FORMULA - 64 OZ.
Stanadyne
9.5
5
Opti-Lube XPD Diesel Fuel Improver: 1 Gallon Without Accessories Treats up to 512 Gallons
Opti-Lube
9.2
Other
4 Bottles of Stanadyne 38564 Performance Formula 8 oz Diesel Fuel Additive by Stanadyne
Liqui Moly 2002 Super Diesel Additive - 300 ml
Stanadyne Performance Formula Diesel Fuel Additive case of 24 x 8 oz.
Lucas Oil 10080 Upper Cylinder Lube/Fuel Treatment - 5 Gallon Pail
6
Lucas 10020 Fuel Treatment - 5.25 oz
Lucas Oil
9.0
19% off
7
STANADYNE Diesel Lubricity Formula - 64 OZ.
Stanadyne
8.7
8
Liqui Moly (2032) Pro-Line Diesel Cleaner, blue, red, 500ml
Liqui Moly
8.4
9
Liqui Moly 2005 Diesel Purge - 500 ml
Liqui Moly
8.1
8% off
10
Fuel Treatment/1x1/Quart
Lucas Oil
7.9
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