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GTX Ultraclean 15W-40 Engine Oil 5L

SKU: OA04656
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Castrol GTX is one of the world’s most trusted engine oils.
The modern world creates difficult challenges for engines. Poor fuel quality++ heat and tough driving conditions can all lead to sludge formation that potentially shortens engine life. Sludge is a sticky deposit that builds up in an engine’s vital oil-ways and it can prevent oil from protecting the engine.
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.
Help extend the life of your engine with Castrol GTX Ultraclean.


Castrol GTX Ultraclean 15W-40 is suitable for use in automotive petrol and diesel engines where the manufacturer recommends an ACEA A3/B3++ API SN/CF or earlier specification 15W-40 lubricant.


Castrol GTX Ultraclean 15W-40:

  • Provides 50% superior sludge protection compared to tough industry standards*
  • Advanced protection against viscosity loss 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

*50% cleaner than the industry standard as measured in the API SN Seq. VG Sludge test

Industry Specifications:

  • -API SN/CF
  • -ACEA A3/B3