Castrol GTX 5W-20 Synthetic Blend Motor Oil 5 Quarts

• Amazon now offers Castrol GTX 5W-20 Synthetic Motor Oil, 5 quarts, for $14.20 (regularly $23.72).
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
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Editor's Pick: This Castrol GTX High Mileage synthetic motor oil is specially designed for engines with higher mileage. It uses phosphorus replacement technology to effectively extend the life of the emission system. Its superior dispersant performance helps prevent carbon buildup inside the engine, while seal conditioners reduce oil leaks caused by aging gaskets. The advanced additive formula helps prevent engine wear while improving fuel economy. It meets API SP/SN PLUS/SN/SM and ILSAC GF6 specifications, providing comprehensive protection for high-mileage vehicles.