Castrol Gtx Diesel 5w-40 Engine Oil

Castrol Gtx Diesel 5w-40 Engine Oil

Perfect for running in cold temperatures in high-milage engines. Castrol GTX Diesel 5W-40 Engine Oil offers superior lubrication and sludge protection.
K450 per container
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Last updated 09 Aug 2022

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Further information

Castrol's Double Action formula cleans away old sludge*and protects against new sludge formation better than tough industry standards. Help extend the life of your engine with Castrol GTX.


  • Castrol GTX 5W-40 A3/B4 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A3/B4, API SM/CF or earlier specification 5W-40 lubricant.
  • Castrol GTX 5W-40 A3/B4 is approved for use in vehicles from a range of manufacturers, please refer to the specifications section and your owner's handbook.


  • Contains anti-sludge formula that provides 25% better sludge protection compared to tough industry standards*
  • Superior protection against viscosity and thermal breakdown
  • Anti-wear additives that extend the life of your engine
  • *ACEA A3/B4, API SM Sequence VG


All packages should be stored under cover. Where outside storage is unavoidable drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, exposed to hot sun or freezing condition

Product TitleCastrol GTX Diesel 5W-40 Engine Oil
SpecificationsSAE 5W-40, ACEA A3/B3, ACEA A3/B4, API SM/CF, MB Approval 229.3, VW 502 00/ 505 00, BMW Longlife-01
Density @ 15°C0.8519 g/ml
Viscosity @ 100°C12.9 mm²/s
Viscosity @ 40°C70 mm²/s
Viscosity CCS -30°C (5W)6000 mPa.s (cP)
Viscosity Index188
Pour Point -45°C
Flash Point213°C
Sulphated Ash1.2 % wt

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