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Castrol® GTX® High Mileage is the #1 consumer high-mileage motor oil brand, specially formulated for gasoline vehicles with over 75,000 miles. This high mileage synthetic blend engine oil is designed to help extend engine life by providing Superior Protection in 7 Critical Areas, including corrosion prevention, sludge control, and timing and friction wear protection.
Featuring Castrol’s proprietary Phosphorus Replacement Technology, GTX High Mileage helps protect the emission system and catalytic converter by reducing harmful phosphorus, helping extend the life of your high-mileage vehicle while maintaining strong engine protection.
Key Features & BenefitsHigh mileage synthetic blend motor oil for vehicles with 75,000+ miles
Phosphorus Replacement Technology helps extend emission system and catalytic converter life
Superior dispersancy fights sludge build-up to keep engines cleaner
Exceptional oil burn-off protection exceeding industry standards* to help reduce oil consumption
Seal conditioners help reduce leaks from aging seals and gaskets
Advanced anti-wear additives help minimize engine wear and support long-term protection
Improved fuel economy in key high-mileage grades (5W-20, 5W-30, 10W-30)**
Meets or exceeds:
API SP / SN PLUS / SN / SM
* Based on API and ACEA volatility specifications.
** In 5W-20, 5W-30, and 10W-30 grades versus industry specifications.
Shipping: Items will ship via USPS, FedEx or UPS. We are unable to guarantee a specific carrier, even if one is selected or shown at checkout. We will ship via the carrier that has less days in transit to your destination.
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