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Item #:
20275594
STP High Viscosity Oil Treatment 15 Fluid Ounces for Conventional or Synthetic Oils
88% of respondents would recommend this to a friend
Item #:
20275594
USD 20
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, September 30
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STP Oil Treatment fights friction to help protect against engine wear
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What Stands Out
High Viscosity
Formulated for high viscosity, this oil treatment provides superior lubrication and protection, ensuring smooth operation of engines under heavy loads and extreme conditions.
Engine Protection
Designed to prevent wear and tear, this treatment protects engine components from friction, extending engine life and improving overall performance in challenging environments.
Versatile Use
Suitable for a wide range of vehicles, including cars and trucks, this oil treatment adapts to different engine types, making it an ideal choice for diverse automotive needs.
Product Details
- Contains zinc anti-wear agent ZDDP that fights metal-to-metal friction
- Reduces oil consumption
- Lubricates moving engine parts by providing a thicker cushion between moving engine parts
- Scientifically engineered for Conventional or Synthetic Oils
- High viscosity formula is compatible with cars, light trucks, and SUVs for versatile use
- Add 1 bottle to 4-5 quarts of oil at or between oil changes
| Automotive additive type | Oil Treatment |
| Product net content parent | 15 Fluid Ounces |
| Compatible cars | Universal |
| Has written warranty | No |
| Rec. use | Automotive, Fleet Vehicle, RV |
| Vehicle type | Car |
| Features | Combats Engine Sludge, Enhanced Anti-Wear Additives, Extended Engine Life, Extended Engine Protection |
| Brand | STP |
| Vehicle fitment type | Universal |
| Item Weight | 1.25 lbs (570 grams) |
Who Should Buy?
-
Older Vehicles
Provides extra protection for aging engines, minimizing wear and reducing oil consumption to enhance performance.
-
High Mileage Engines
Ideal for engines with over 75,000 miles, helping to restore lost viscosity and protect against leaks.
-
Heavy Towing
Perfect for vehicles frequently towing heavy loads, provides additional lubrication and stability under high stress conditions.
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New Cars
Not suitable for newer models that require specific oil standards and do not need additional viscosity treatment.
Product Description
STP High Viscosity Oil Treatment 15 Fluid Ounces for Conventional or Synthetic Oils
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of STP Oil Treatment?
Answer: To fight friction and protect against engine wear. -
Question:
What type of oils is it compatible with?
Answer: It is scientifically engineered for use with Conventional or Synthetic Oils. -
Question:
How often should it be added to the engine oil?
Answer: It should be added during every oil change as part of routine car maintenance.
STP browse subscription chemicals & equipment Editorial Review
STP High Viscosity Oil Treatment 15 Fluid Ounces for Conventional or Synthetic Oils is a trusted automotive additive that enhances engine performance and longevity. This oil treatment has received high praise from users, with many noting its effectiveness in combating engine sludge and providing extended engine protection. Its unique formulation not only thickens oil but also adds an extra layer of film lubrication, vital for engine assembly and maintenance. Experienced users report it helps maintain smooth and quiet engine operation, even in older vehicles. It is compatible with a wide range of automotive applications including cars, fleet vehicles, and RVs, making it a versatile addition to any mechanic's toolkit.
Customer Reviews & Ratings
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Pros
- Helps combat engine sludge effectively
- Enhances engine lubrication quality
- Recommended for preventive engine maintenance
- Compatible with various vehicle types
- Users report improved engine performance
Cons
- May require careful dosing for optimal results
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 20
Order now and get it around Wednesday, September 30
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- Contains zinc anti-wear agent ZDDP
- Reduces oil consumption
- Lubricates moving engine parts
- Scientifically engineered for Conventional or Synthetic Oils
- High viscosity formula compatible with cars, light trucks, and SUVs
- Add to engine oil during every oil change as routine maintenance
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