• Castrol Ultra Clean 10W40 Motor Oil 5L
Castrol® GTX® Ultraclean is our cleanest GTX ever! Specially formulated for the rigors of modern driving, its GTX for the 21st century.
• 45% 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
* When tested in engines with a high level of sludge.
** 45% cleaner than the industry standard as measured in the Seq. VG Sludge test.