Pennzoil Platinum High Mileage Full Synthetic 10W-30 Motor Oil, 5 Quart
Pennzoil Platinum High Mileage Full Synthetic 10W-30 Motor Oil, 5 Quart
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Pennzoil Platinum High Mileage Full Synthetic 10W-30 Motor Oil, 5 Quart

4.7 stars out of 465 reviews
(4.7)|
465 ratings
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Key item features

  • High Mileage: Full synthetic 10W-30 engine oil specifically formulated for vehicles with over 75,000 miles, helping to stop leaks and condition seals.
  • Engine Cleanliness: Keeps pistons cleaner than required by the toughest industry standards, based on Sequence IIIH results.
  • Oil Performance: Delivers less oil burn-off compared to high-mileage motor oils made from crude oil.
  • Fuel Efficiency: Provides better fuel economy based on the latest industry standards and helps protect engine horsepower.
  • Temperature Protection: Offers faster low-temperature oil flow and provides protection in extreme heat conditions.
  • Industry Compliance: Meets or exceeds API SQ-Resource Conserving, ILSAC GF-7A, and Chrysler MS-6395 specifications.
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Current price is $25.9716.2 ¢/fl oz
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4.7 out of 5 stars
stars465 ratings215 reviews
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Pros
  • : Improves performance and gas efficiency in older vehicles.
  • : Uses natural gas for a cleaner composition.
  • : Provides improved performance and cleanliness.
  • : Improves fuel efficiency in older vehicles.
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Showing 1-3 of 215 reviews

Sep 10, 2025
BlackBeltB
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Multipack quantity: 1
5 out of 5 stars review

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Pennzoil Motor Oil full syn high mileage

Pennzoil is a top brand in motor oils. The 10w (winter) 30 weight full synthetic high mileage motor oil with multiple additives to protect your engine and last for miles. Remember crude oil never breaks down, the additives (detergents anti foaming agents etc.) in the oil breaks down over time and miles. "10W-30" Motor Oil (example) The 1st number, in this case 10 followed by the letter (W-stands for "Winter") is the weight of the oil (cold at start-up) when it is at its thinnest/lightest weight, then once the oil heats up in your running engine, the molecules expand the oil to the higher nunber (the 2nd number) in this case 30 which is the heaviest weight of this oil, so the oil at cold start up is 10-weight, then once heated to operating temperature the weight of the oil becomes 30-weight. "10W-30"

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Jun 16, 2025
DTMaintSpecTeez
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Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Pennzoil is and has always been trusted, tried and true. These new siliconized blends are what is already what Pennzoil is know for. Always improving a already proven product. Pennzoil stands for Quality, reliability, trust and thankful to those who make it possible, affordable to those who can't afford to rely on less. Pennzoil has been a proud symbol to exploit on equipment and apparel for the last two generations and even mine, and it just keeps getting better. Thank you.

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May 3, 2025
Carol
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Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Generator oil use

We lost use of our house on 2/24/2025 due to a severe windstorm that blew over a 150' by 4' wide spruce tree onto our residence taking out electrical service and also water as only well water. We had to purchase a generator and having to run it still to this day, the oil has to be changed after every 50 hours of use. we find this oil works the best and is a good value for our continued usage until power is restored hopefully in near future.

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