Skip to main content
Sign In / EnrollGet rewarded!

Sign In / EnrollGet rewarded!
A woman outside with a dog
A woman outside with a dog

Castrol 1 qt. 10W-30 GTX High Mileage Oil

Shop all Castrol
Castrol 1 qt. 10W-30 GTX High Mileage Oil

Item # 8022064

Castrol Castrol 1 qt. 10W-30 GTX High Mileage Oil
Castrol Castrol 1 qt. 10W-30 GTX High Mileage Oil
Castrol 1 qt. 10W-30 GTX High Mileage Oil

Item # 8022064

Castrol Castrol 1 qt. 10W-30 GTX High Mileage Oil
Castrol Castrol 1 qt. 10W-30 GTX High Mileage Oil
Subscription options

Pickup or delivery when it works for you, plus free delivery on orders over $49.99.

Skip, modify, or cancel anytime.


Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil is ideal for older vehicles. Semi-synthetic oil is recommended for vehicles with over 75,000 miles. This is the best synthetic motor oil for an improved fuel economy. Synthetic motor oil helps prevent emission system failure and extend the life of your high mileage vehicle. All motor oils contain phosphorous to help prevent engine wear. Phosphorous is an industry recognized catalyst poison. To help prevent catalytic converter and emission system failure, Castrol GTX High Mileages patented advanced technology is specially formulated with less phosphorous than other leading oils while still delivering unsurpassed protection against sludge, wear and oil-burn-off.Specifications: API SP, ILSAC GF-6

  • Superior dispersancy that fights sludge build-up**
  • Exceptional oil burn-off protection exceeding industry standards***
  • Seal conditioners to help reduce leaks
  • Advanced additives to minimize engine wear
  • **Based on SqVH Test ***Based on API and ACEA volatility specification