Castrol GTX ULTRACLEAN’s synthetic technology has superior performance. Its unique Double Action formula cleans away old sludge, and protects against new sludge formation, giving you more control over today´s challenging conditions. Application Castrol GTX Ultraclean 10W-40 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A3/B3, A3/B4, API SN/CF or earlier specification 10W-40 lubricant.
Castrol GTX Ultraclean 10W-40
- Provides 50% superior sludge protection compared to tough industry standards*
- Advanced protection against viscosity and thermal breakdown
- Superior protection against high temperature deposits
- Premium quality base oils and anti-wear additives that help extend the life of your engine
*vs API SN requirements.
- ACEA A3/B3, A3/B4
- API SN/CF