Engine & Oil Additives

3 engine & oil additives from Liqui Moly, Lubegard, Hot Shot's Secret and more.

Recommended Engine & Oil Additives

Lubegard

15 oz

+Engine oil protectant with Bio/Tech formulation

+15 oz bottle for engine oil treatment

No price recorded yet.

Lubegard

15 oz

+Universal ATF protectant for automatic transmission fluid

+15 oz bottle for transmission fluid treatment

No price recorded yet.

Slick 50

15 oz

+Engine treatment formulated for high mileage engines

+Comes in a 15 ounce bottle

No price recorded yet.

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.