STP High Viscosity Oil Treatment (15 fluid ounces)
STP High Viscosity Oil Treatment (15 fluid ounces)
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STP High Viscosity Oil Treatment (15 fluid ounces)

4.8 stars out of 197 reviews
(4.8)|
197 ratings
Pack Size:Single

At a glance

Brand
STP
Size
15 fl oz
Color
Multicolor
Count
1
Condition
New
Rec. use
Truck
$4.9833.2 ¢/fl oz
Price when purchased online
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Sacramento, 95829
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STP High Viscosity Oil Treatment (15 fluid ounces)
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Comparison Chart:
Size15 fl ozSTP High Viscosity Oil Treatment (15 fluid ounces)15 ozSTP High Mileage Oil Treatment Stop Leak Engine Oil Additive, 15 fl ozQuartMarvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.Pack of 1Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz-Lucas Oil Products High Mileage Oil Stablizer (1 qt.)5.25 fl ozSTP Super Concentrated Fuel Injector Cleaner - 5.25 Fluid Ouncespack of 2STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 FL OZ (2 Count)1STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle5.25 fl ozSTP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count)1Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz
ColorMulticolorSTP High Viscosity Oil Treatment (15 fluid ounces)MulticolorSTP High Mileage Oil Treatment Stop Leak Engine Oil Additive, 15 fl ozRedMarvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.YellowRislone 4102 Engine Treatment Automotive Additive, 16.9 ozMulticolorLucas Oil Products High Mileage Oil Stablizer (1 qt.)MulticolorSTP Super Concentrated Fuel Injector Cleaner - 5.25 Fluid OuncesMulticolorSTP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 FL OZ (2 Count)MulticolorSTP Super Concentrated Gas Treatment - 5.25 fl oz BottleMultiColorSTP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count)MulticolorRislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz
Count 1STP High Viscosity Oil Treatment (15 fluid ounces)1STP High Mileage Oil Treatment Stop Leak Engine Oil Additive, 15 fl oz1Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.1Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz1Lucas Oil Products High Mileage Oil Stablizer (1 qt.)1STP Super Concentrated Fuel Injector Cleaner - 5.25 Fluid Ounces1STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 FL OZ (2 Count)1STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle1STP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count)1Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz
ConditionNewSTP High Viscosity Oil Treatment (15 fluid ounces)NewSTP High Mileage Oil Treatment Stop Leak Engine Oil Additive, 15 fl ozNewMarvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.NewRislone 4102 Engine Treatment Automotive Additive, 16.9 ozNewLucas Oil Products High Mileage Oil Stablizer (1 qt.)NewSTP Super Concentrated Fuel Injector Cleaner - 5.25 Fluid OuncesNewSTP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 FL OZ (2 Count)NewSTP Super Concentrated Gas Treatment - 5.25 fl oz BottleNewSTP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count)NewRislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz
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4.8 out of 5 stars
stars197 ratings71 reviews
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Showing 1-3 of 71 reviews
Apr 23, 2025
anonymous
Item details
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase

I liked it

I put it in my high mileage engine crankcase and it stopped smoking. Oil consumption went down considerably. I strongly recommend one for an old, high mileage engine.
Helpful?
Jul 11, 2016
TD192
5 out of 5 stars review
Verified Purchase

Best Forever

I have been using STP Oil Treatment for over forty years. I have used it in older cars and new cars and I truly believe it has helped prevent wear on the internal parts of the engines. I have a 2001 Ford Explorer Sport that has 240,000 miles on it and it is still going strong. I believe that the STP has contributed greatly to this engines endurance. I can highly recommend this product.
Helpful?
May 12, 2020
MasterofReality
5 out of 5 stars review
Verified Purchase

Great

My dad was a life long mechanic from 50s to 2000s. He laughed at most snake oils, STP was an exception. He said it worked. That means more than you'll ever know. It's more than just an oil thickener as most people call it. Sure, a 15oz can would thicken up 5qts of cheap 10w-30 to 12.2w-35.6, lol. Yeah that helps at times. But It really does add extra film lubrication. A must have for engine assembly. (also great for fishing reels and ratchets. Caution, a literal bead is all you need).
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