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Castrol® GTX® High Mileage 5W-20 Synthetic Blend Engine Oil is the ultimate choice for extending the life of high-mileage engines. Designed with advanced Phosphorus Replacement Technology, it safeguards emission systems by reducing catalytic converter damage while delivering superior dispersancy to combat sludge buildup. This premium synthetic blend offers exceptional protection against oil burn-off, surpassing industry standards, and features seal conditioners to minimize leaks, ensuring optimal engine performance. Enhanced with advanced additives, it reduces engine wear and improves fuel economy in 5W-20, 5W-30, and 10W-30 grades. Meeting or exceeding specifications like API SP/SN PLUS/SN/SM, ILSAC GF-6, and Ford WSS-M2C945-B1/WSS-M2C960-A1, this oil is engineered for reliability and durability. Perfect for drivers seeking long-lasting engine protection, it delivers unmatched value in a convenient 5-quart size.

Product Features:

Product Features:
• Phosphorus Replacement Technology to help extend the life of the emission system
• Superior dispersancy that fights sludge build up
• Exceptional oil burn-off protection exceeding industry standards (1)
• Seal conditioners to help reduce leaks
• Advanced additives that minimize engine wear
• Improved fuel economy (2)
• (1) Based on API and ACEA volatility specifications
• (2) In 5W-20, 5W-30 and 10W-30 grades versus industry specifications
• Meets or exceeds the following specifications:
• API SP/SN PLUS/SN/SM
• ILSAC GF-6
• Meets Ford WSS-M2C945-B1
• Meets Ford WSS-M2C960-A1