Castrol GTX 10W-30 Conventional Motor Oil, 5 Quarts
Castrol® GTX® is a premium conventional motor oil that has been helping to extend engine life for over 50 years. It is specially engineered to prevent harmful build-up of sludge while protecting against new oil splatter formation better than tough industry standards.
Price and availability captured 2026-08-21 and subject to change. The price shown on Amazon at the time of purchase applies.
0% above the 1-year average. Record low $25.97.
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Specifications, review intelligence and safety
- • Advanced protection against viscosity and thermal breakdown
- • Superior protection against engine sludge
- • Premium quality base oils and anti-wear additives to help extend the life of your engine
- • Helps minimize oil consumption
- • Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM
- • ILSAC GF-6
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