SKU: 79817077081

Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 1 Quart

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Description

Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 1 QuartCastrol GTX High Mileage motor oil is the leading consumer high mileage brand. You won't need to worry about using a high mileage oil or synthetic because this is both. It's a synthetic blend engine oil that helps extend the life of your engine by protecting against sludge, wear and burn off and also liquid engineered to protect your emission system. One of the leading causes of 'check engine' lights coming on in high mileage cars is actually

Castrol® GTX® High Mileage motor oil is the leading consumer high-mileage brand. You won't need to worry about using a high mileage oil or synthetic because this is both. It's a synthetic blend engine oil that helps extend the life of your engine by protecting against sludge, wear and burn-off and also liquid engineered to protect your emission system. One of the leading causes of 'check engine' lights coming on in high mileage cars is actually catalytic converter failure, which can be caused by phosphorous in engine oil. While phosphorous is present in all engine oils for its ability to reduce wear, it is effectively poisonous to catalytic converters. Castrol GTX High Mileage Motor Oil is liquid engineered with Phosphorous Replacement Technology to replace some of the phosphorous with an advanced additive that maintains robust wear protection. When you want to extend the life of your high mileage engine and emission system, and find out how many miles you can go on a high-mileage oil, there is no better choice than Castrol GTX High Mileage Motor Oil. Protect your investment with the Castrol Engine Warranty – with coverage for up to 500K miles. Enrollment is quick, easy and FREE! Learn more and register at www.castrolenginewarranty.com
Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 1 Quart

Key Features:

Phosphorus Replacement Technology to help extend the life of the emission system
Superior dispersancy that fights sludge build up
Exceptional oil burn-off protection exceeding industry standards*
Seal conditioners to help reduce leaks
Advanced additives that minimize engine wear
Improved fuel economy**
*Based on API and ACEA volatility specifications
**In 5W-20, 5W-30 and 10W-30 grades versus industry specifications
Specifications

ILSAC GF-6

Shipping Notes
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Exchange/Return Notes
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SKU: 79817077081

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4.1 ★★★★★
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showmethereviews
Natrona Heights, US
★★★★★ 5
Sensitivity and gum issues be gone
Flavor Name: Mint, Size: 3.4 Ounce (Pack of 1)
Great toothpaste! I've been incorporating more nano hydroxyapatite into my oral care routine, and I was pleased to find this with a verifiable 10% concentration. It's pricey, but worth it in my opinion. It only takes a tiny amount to do the job, which is actually surprising considering it doesn't foam. I'm prone to canker sores, and this prevents them. The taste is fresh and not too overpowering. It's great if you have sensitivity, and definitely reduces or eliminates it. I had professional whitening done, and zero sensitivity because of this. It's great for preventing stains on your teeth (huge coffee/tea drinker), too! And, if you have gum issues, this will help tremendously. My dentist was very pleased at my appointment this past week. Will continue to use, and recommend to others.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
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Verified Purchase
L. Ma
Louisville, US
★★★★★ 5
Holistic Dentist Recommended & We’ve Seen a Big Difference
Flavor Name: Mint, Size: 3.4 Ounce (Pack of 1)
Our holistic dentist recommended Dr. Jen’s fluoride-free toothpaste with 10% nano-hydroxyapatite after my daughter had struggled with quite a few cavities. We wanted something that would help strengthen and support her enamel without fluoride, and this was the product she specifically suggested. One thing I really like is that it’s a non-rinse formula. After brushing, she just spits and doesn’t rinse, so the nano-hydroxyapatite can stay on the teeth longer to help support enamel. That gives me extra peace of mind knowing it’s continuing to work even after brushing. The texture is smooth and not gritty, and the flavor is mild enough that she actually uses it without complaining. Since switching, her teeth look clean and healthy, and we feel much better about her cavity prevention routine. The only downside is the price — it’s definitely very expensive and one of the most expensive toothpastes out there. But for us, given the dentist recommendation and the peace of mind, it’s been worth it.
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Reviewed in the United States on February 19, 2026
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Verified Purchase
Guy Jones
Draper, US
★★★★★ 5
Hopefully it strengthens the Tooth Enamel!
Flavor Name: Mint, Size: 3.4 Ounce (Pack of 1)
Excellent Product: I've been using its for a couple months and the flavor is fantastic. Ideally, you don't want to rinse it off your teeth so that the Active HA coats them and stays on for a while (especially at night). I've been recommending it for my patients in my office, and will see if it stops some of the smaller cavities. I'm not a paid Sponsor but love the product
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Reviewed in the United States on May 10, 2026
T
Verified Purchase
Theresa durst
Port Orchard, US
★★★★★ 5
Does what it claims.
Flavor Name: Mint, Size: 3.4 Ounce (Pack of 1)
Love this toothpaste. Helps with my sensitive teeth and I’ve gotten comments about how white my teeth are. Being fluoride free big plus
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Reviewed in the United States on May 19, 2026
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Verified Purchase
Abbasmell
Natrona Heights, US
★★★★★ 5
Dental Assistant Review
Flavor Name: Mint, Size: 3.4 Ounce (Pack of 1)
I am a dental assistant & one of the doctors I work with is always recommending this toothpaste to patients & I truly love it, it tastes great, cleans my mouth great, I love that it’s fluoride free but still helps restore teeth! Definitely recommend!! :) Happy Smiles
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Reviewed in the United States on May 17, 2026

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