Castrol GTX 20W-50 is recommended for the engines of the following passenger cars and light commercial vehicles: Unleaded petrol with or without catalytic converters. Fuel injected engines. Reconditioned petrol engines. Provides protection against sludge build-up. Protection against viscosity and thermal breakdown. Keeps engines cool and clean. Contains anti-wear additives that extend the life of your engine. Recommended for engines made prior to 1990. Advanced protection against higher temperatures and stresses encountered in pre-2002 engines. Premium quality base oils and anti-wear additives that extend the life of your engine. Compatible with catalytic converters and oxygen sensors. Helps minimise oil consumption.
