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 269 reviews
(4.8)|
269 ratings
STP High Viscosity Oil Treatment (15 fluid ounces)STP High Viscosity Oil Treatment 15 fluid ounces12 pack STP High Viscosity Oil Treatment 15 fluid ounces2 pack STP High Viscosity Oil Treatment 15 fluid ounces6 pack STP High Viscosity Oil Treatment 15 fluid ounces24 pack STP High Viscosity Oil Treatment 15 fluid ounces
Pack Size:Single

Key item features

  • Anti-Wear Agent: Contains zinc anti-wear agent ZDDP that fights metal-to-metal friction
  • Reduces Consumption: Helps reduce oil consumption for better engine efficiency
  • Enhanced Lubrication: Provides a thicker cushion between moving engine parts for improved lubrication
  • Versatile Compatibility: Scientifically engineered for use with both Conventional and Synthetic oils
  • High Viscosity: High viscosity formula suitable for cars, light trucks, and SUVs
  • Routine Maintenance: Recommended to add during every oil change as part of regular car maintenance
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Current price is $4.9833.2 ¢/fl oz
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Bowling Green, 42104
Arrives by Mon, Feb 23
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Customer ratings & reviews

4.8 out of 5 stars
stars269 ratings88 reviews
How item rating is calculated
  1. 5 stars88% (236)
  2. 4 stars9% (23)
  3. 3 stars1% (2)
  4. 2 stars1% (2)
  5. 1 star2% (6)

Reviews summary

Pros
  • : Offers affordable options compared to others.
  • : Provides better lubrication and smoother operation.
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Showing 1-3 of 88 reviews

Jan 7, 2026
WalmartCustomer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

I've used it for many years on my ********* mile 4.0L straight six cylinder Jeep engine that I rebuilt myself. It helps it run smooth and quiet for miles.

Incentivized Review
Helpful?32X8A66Z7MQY16817398
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?32X8A66Z7MQY16817398
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).

Helpful?32X8A66Z7MQY16817398