






🛢️ Keep your high-mileage ride running like new — because your engine deserves the best!
Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil is engineered for vehicles with over 75,000 miles, delivering superior protection against sludge, wear, and leaks. Featuring Phosphorus Replacement Technology, it safeguards emission systems while enhancing fuel economy and meeting the latest API and ILSAC standards.










| Viscosity | 10W 30 SAE Grade |
| Brand | Castrol |
| Vehicle Service Type | For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs |
| UPC | 079191231104 |
| Automotive Fit Type | Universal Fit |
| Global Trade Identification Number | 00079191231104 |
| Manufacturer | Castrol |
| Size | 5 Quarts |
| SAE J300 Viscosity Grade | 10W-30 |
| Model | 03110 |
| Item Weight | 9.43 pounds |
| Product Dimensions | 11.9 x 9.5 x 4.5 inches |
| Item model number | 03110 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 03110C |
C**H
Great oil, better price
High quality oil for a better price than auto parts stores. Better than Walmart even. Can't go wrong here
F**Z
Top of the line oil
one of the best oil out there.
J**I
Keeping my older engine running strong.
Since making the switch, the difference has been noticeable. My engine seems to run quieter and smoother, and that slight oil consumption issue has significantly improved. I also appreciate the peace of mind knowing that this oil is designed to address common high-mileage problems like oil leaks, sludge buildup, and wear. It feels like it's providing that extra layer of protection my engine needs to comfortably go for another 100,000 miles.
J**N
Oil
Good price and free shipping. Thanks
R**E
its good stuff .crown vic 2010 police car
been using for years never blew an engine yet had many cars
R**D
Works as described
As described.
A**R
Keeps car engine looking like a cup of tea
Perfect, enough so I use auto purchase to keep on hand
J**N
My car
It's the best oil in my opinion
Trustpilot
3 weeks ago
1 month ago