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Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts
Castrol® GTX® High Mileage 5W-30 is specially formulated for vehicles with over 75,000 miles. It's a synthetic blend motor oil that helps extend engine life providing Superior Protection in 7 Critical Areas including corrosion prevention, sludge control, timing and friction wear. It also contains a proprietary additive to protect the emisssion system. Our Phosphorus Replacement Technology reduces harmful phosphorus to protect the catalytic converter and help extend the life of your high mileage vehicle.
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 $24.58.
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Specifications, review intelligence and safety
- • Phosphorus Replacement Technology helps extend emission system life
- • Superior dispersancy that fights sludge build up
- • Exceptional oil burn-off protection exceeding industry standards*
- • Seal conditioners to help reduce leaks
- • Advanced additives that help prevent engine wear
- • Improved Fuel Economy**
- • Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM
- • ILSAC GF-6
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