Oil Additive Lubricants | McMaster-Carr

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Sea Foam Motor Treatment

Slick 50 Engine Treatment

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22 Products

Engine Treatments


Marvel Mystery Oil	Sea Foam Motor Treatment, Bottle	Sea Foam Motor Treatment, Can	Slick 50 Engine Treatment

Mix these treatments with gasoline or oil to improve engine performance.

Marvel Mystery Oil—Add Marvel Mystery Oil to gasoline and oil. In gas it cleans fuel injectors, prevents sticky valves, and limits buildup. In oil it eases start-up in cold temperatures, extends oil life, and prevents the formation of acid and sludge. It can also be used with marine and diesel engines.

Sea Foam Motor Treatment—Use Sea Foam Motor Treatment in gasoline and diesel engines, and in both conventional and synthetic oil. When added to gas and diesel fuel, it cleans fuel injectors, carburetor passageways, intake valves, and intake chambers. It also lubricates upper engine cylinders. This treatment can even stabilize gas and diesel fuel to store them for up to two years. When added to oil, this treatment removes harmful residue and deposits.

Slick 50 Engine Treatment—Add Slick 50 Engine Treatment to oil to protect your engine from friction and heat. Do not use with vehicles used in heavy duty industrial or commercial applications.

		Container						Each		Package
	SAE Viscosity Grade	Size	Type	Temp. Range	Color	With Detergent	For Engine Type		Each	Pkg. Qty.		Pkg.
Marvel Mystery Oil



		—	16 fl. oz.	Bottle	Not Rated	Red	Yes	Gasoline, Diesel	000000	00000	6	00000000	000000


		—	32 fl. oz.	Bottle	Not Rated	Red	Yes	Gasoline, Diesel	000000	00000	6	00000000	00000
		—	1 gal.	Jug	Not Rated	Red	Yes	Gasoline, Diesel	000000	00000	4	00000000	000000


		Sea Foam Motor Treatment



				—	16 fl. oz.	Bottle	Not Rated	Clear	No	Gasoline, Diesel	0000000	00000	24	0000000	000000


				—	1 gal.	Can	Not Rated	Clear	No	Gasoline, Diesel	0000000	00000	—	———	0


				Slick 50 Engine Treatment Synthetic Oil Base



						5W-30	15 fl. oz.	Bottle	Not Rated	Amber	Yes	Gasoline	0000000	00000	6	00000000	000000

Oil Stabilizers

These stabilizers contains nano-sized additives, which penetrate small surface imperfections to reduce wear and heat, extending the life of both the oil and the engine while improving performance.

	Container						Each		Package
	Size, fl. oz.	Type	Temp. Range	Color	With Detergent	For Engine Type		Each	Pkg. Qty.		Pkg.
Mineral Oil Base



		32	Bottle	20° F to 260° F	Black	No	Gasoline, Diesel	0000000	000000	12	0000000	0000000

Automatic Transmission Fluids


Bottle	Jug	Pail

These fluids meet Ford and General Motors (Dexron III) specifications for automatic transmission fluids. They can also be used as power steering fluid and compressor fluid.

Viscosity is the thickness of an oil. The higher the grade, the thicker the oil, and the less it flows.

Mineral Oil Base—Mineral-oil-based fluids are derived from petroleum and are more economical than synthetic-oil-based fluids.

Synthetic Oil Base—Synthetic-oil-based fluids last longer than mineral-oil-based fluids, reducing the frequency of changes, and withstands a wider range of temperatures. Compatible with mineral-oil-based fluids, you can add these fluids without draining your existing fluids first.

	Viscosity Grade				Container						Each		Package
	ISO	AGMA	SAE	SSU	Size	Type	Temp. Range	Color	With Detergent	Specs. Met		Each	Pkg. Qty.		Pkg.
Mineral Oil Base



		32	—	10W	150 SSU @ 100° F	32 fl. oz.	Bottle	-30° F to 200° F	Red	No	Dexron-III(H)	0000000	000000	12	00000000	0000000


		Synthetic Oil Base



				46	1	20	220 SSU @ 100° F	1 gal.	Jug	-35° F to 200° F	Red	No	Dexron-III(H)	0000000	00000	6	00000000	000000


				46	1	20	220 SSU @ 100° F	5 gal.	Pail	-35° F to 200° F	Red	No	Dexron-III(H)	0000000	000000	—	———	0

Hydraulic System Treatments

Protect and clean hydraulic, automatic transmission, and power steering systems—these treatments clear out sticky varnish and prolong system life. They help manage moisture levels in hydraulic systems, and dissolve harmful deposits to improve performance in automatic transmission systems. In power steering systems, they reduce noise from the steering pump, promote smoother steering, and control moisture levels. They’re also used to flush out systems before replacing power steering fluid.

These treatments are compatible with all petroleum-based hydraulic oil and power steering fluids. They work with all conventional and synthetic, petroleum- and mineral-based automatic transmission fluids.

	Container					Each		Package
	Size, fl. oz.	Type	Color	With Detergent	For Engine Type		Each	Pkg. Qty.		Pkg.
Sea Foam Trans Tune—Mineral Oil Base



		16	Bottle	Red	No	Gasoline, Diesel	0000000	000000	12	00000000	0000000

Gas Stabilizers

Image of Product. Front orientation. Oil Additives.

Add these stabilizers to your gas tank to keep fuel fresh when stored for long periods. One fluid ounce of stabilizer treats 2.5 gallons of gasoline; each bottle treats up to 80 gallons.

	Container						Each		Package
	Size, fl. oz.	Type	Temp. Range	Color	With Detergent	For Engine Type		Each	Pkg. Qty.		Pkg.
Synthetic Oil Base



		32	Bottle	Not Rated	Red	No	Gasoline	00000000	000000	4	000000000	000000