Drivers and mechanics have trusted Castrol GTX for over 50 years to help extend engine life. Castrol GTX’s 3X-Clean formula has been developed to fight the three main causes of engine sludge: heat, contaminants and short trips. By cleaning away existing sludge and creating a barrier that helps stop deposits from forming, Castrol GTX keeps engines cleaner for longer, 35% cleaner than industry standards.* This means drivers and their vehicles enjoy more years together.
Castrol GTX: helps extend engine life

Application
Castrol GTX 5W-30 RN17 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3 5W-30 lubricant. Castrol GTX 5W-30 RN17 is approved for use in vehicles that require a Renault RN17 specifcation 5W-30 lubricant.

Specifications:

• ACEA C3
• Renault RN17

Advantages:
The Castrol GTX range:

• Delivers superior protection against sludge* caused by pollutants, heat and frequent short trips
• Provides advanced protection against viscosity and thermal breakdown
• Demonstrates exceptional protection against high temperature deposits
• Contains premium synthetic technology base oils and anti-wear additives

*Weighted average benefit of 81% of GTX 2021 global sales volume in Seq VG or VH industry sludge test, compared to specification claimed on pack.