Castrol GTX Diesel 15W-40 is the Primary recommended oil for a TOYOTA HILUX  2.4 4X4 (22R ) (8V 80KW ) 94-98. However, the onus is on the user to determine the suitable grade of oil specific to his/her vehicle based on mileage, driving conditions, environment etc.
Castrol GTX Diesel is engineered to clean away and protect against harmful diesel engine deposits.
Castrol GTX Diesel 15W-40 is suitable for use in automotive diesel engines including inter-cooled and turbo-charged 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 specifications.
Outstanding diesel engine wear protection
Superior cleaning power to maintain engine performance
Reduces build up of harsh deposits
Helps prevent oil from thickening and keeps it flowing freely