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Best Diesel Oil Additives

From leading brands and best sellers available on the web.

Winner

TriboTEX O

TriboTEX

TriboTEX Oil Additive Car Engine Treatment: Add to Engine Oil - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel)

10.0

score

Marvel Oil

Marvel Oil Company MM12R 16 Oz Mystery Oil

9.7

score

Hot Shot's

Hot Shot's Secret

Hot Shot's Secret Signature Series Oil Pack - FR3 Friction Reducer, 32 Oz - Stiction Eliminator, 64 Oz

9.4

score

Sea Foam S

Sea Foam

Sea Foam SS14 Cleaner and Lube

8.5

score

Sea Foam H

Sea Foam

Sea Foam High Mileage Motor Treatment HM16, 16 oz, Pack of 1, Silver

8.2

score

Lubegard 3

Lubegard

Lubegard 30901 Bio/Tech Engine Oil Protectant, 15 oz.

8.2

score

Hot Shot's

Hot Shot's Secret

Hot Shot's Secret P040416Z Diesel Extreme Clean & Boost - 16 OZ

7.6

score

Royal Purp

Royal Purple

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner - 6 oz.

7.3

score

Nulon Pro-

Nulon

Nulon Pro-Strength Diesel Fuel System Extreme Clean 500 ml

7.3

score

Sea Foam I

Sea Foam

Sea Foam IC5 Fuel Injector Cleaner, 5.25 oz

7.0

score