Castrol Gtx Diesel 15w-40 Engine Oil

Castrol Gtx Diesel 15w-40 Engine Oil

Formulated to keep your diesel engine running longer, stronger and smoother. Castrol GTX Diesel 15-40 Engine Oil is the choice of drivers & mechanics
K450 per container
Select your options
Last updated 09 Aug 2022

Buy online

This product is available for online purchase — Buy online now and pick it up instore or get it delivered to you.

Further information


Castrol GTX Diesel 15W-40 is suitable for use in automotive diesel engines where the manufacturer recommends an API CI-4 or earlier specification 15W-40 lubricant. It may also be used in gasoline engines where the manufacturer recommends an API SL or earlier specification 15W-40 lubricant.


  • Superior cleaning power to maintain engine performance
  • Reduces the build-up of harsh deposits
  • Helps prevent oil from thickening to keep it flowing freely
  • Outstanding diesel engine wear protection
  • Suitable for inter-cooled, turbo-charged diesel engines


  • 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 15W-40 Engine Oil
Performance Specs.API CI-4/SL
Density @ 15°C0.874 g/ml
Viscosity @ 100°C14.2 mm²/s
Viscosity @ 40°C107 5 mm²/s
Viscosity Index134
Total Base Number (TBN)8.0 mg KOH/g
Pour Point-42°C
Flash Point208°C

Enquire about this item

Enquire via Email

Contact supplier

Maro Auto Spares image
Maro Auto Spares
Car parts
In a market which has often been flooded with counterfeit spares, clients can risk damaging their vehicles by going for cheaper vehicle parts which may be an imitation. Maro Auto Spares provides clients with genuine vehicle spares, as well as a variety of lubricants such as engine oil and coolants.