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Castrol GTX 5W-30 C4 is suitable for use in petrol and diesel car engines where the manufacturer recommends an ACEA C4 5W-30 oil. Castrol GTX 5W-30 C4 is approved for use in vehicles requiring a 5W-30 oil approved by Renault RN 0720. Castrol GTX 5W-30 C4 is approved for use in vehicles requiring MB approval229.31 / 226.51approved 5W-30 lubricant

Castrol GTX Ultraclean 10W-40 A3 / B4 is suitable for use in gasoline and diesel car engines where the manufacturer recommends an ACEA A3 / B4, A3 / B3, API SL / CF or older 10W-40 specification oil. Castrol GTX Ultraclean 10W-40 A3 / B4 is approved for use in vehicles requiring MB 229.1 and VW approval501 01/505 00specifications or that meets Fiat 9.55535-D2 or Fiat 9.55535-G2. Please refer to the specifications section and your owners manual.

Castrol Magnatec Stop-Start 5W-30 C2 is suitable for gasoline and diesel engines with ACEA C2 or API SN specifications and 5W-30 kinematic viscosity. It can also be used in Peugeot and Citroen manufacturers engines that require 5W-30 kinematic viscosity with PSA B71 2290 certification or in FIat manufacturers engines that require 5W-30 kinematic viscosity with Fiat 9.55535-S1 certification.

Castrol Magnatec Stop-Start 5W-30 A5 is suitable for gasoline and diesel engines with specifications ACEA A5/B5, API SN/CF, ILSAC GF-4 5W-30 or older. It can also be used on Ford manufacturers engines with Ford specification WSS-M2C913-C/ WSS-M2C913-D.

Castrol Magnatec 10W-40 A3/B4 is suitable for use in gasoline and diesel engines where the manufacturer recommends an oil viscosity of 10W-40, specification API SL/CF, ACEA A3/B4, A3/B3 or earlier. Castrol Magnatec 10W-40 A3/B4 is also approved for use in VW Group cars requiring VW specification oil501 01/ 505 0010W-40 viscosity and in Mercedes Benz cars that require MB-Approval 229.1 specification oil, 10W-40 viscosity.

Castrol Magnatec 5W-40 C3 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3, API SN or older 5W-40 specification oil. Castrol Magnatec 5W-40 C3 is approved for use in vehicles from a wide range of manufacturers, please refer to the specifications section and your vehicle manual.