Castrol GTX 20W-50 Motor Oil, 5L – Superior Protection for High Mileage Engines
Castrol GTX 20W-50 is a trusted motor oil specifically engineered to meet the demands of high-mileage vehicles. Offering 60% superior oil burn-off protection compared to industry standards, it reduces harmful deposits and wear, ensuring greater engine reliability and longevity. This advanced formulation minimizes compression loss, protects seals to reduce leakage, and helps combat sludge buildup. Designed for both gasoline and diesel engines, Castrol GTX 20W-50 keeps your engine running smoothly for years to come.
Description
Technical Specifications
Oil Type: Mineral Engine Oil
Viscosity Grade: 20W-50
Application: Gasoline & Diesel Engines requiring API SL/CF or earlier
Performance Claims: API SL/CF
Density @ 20°C: 0.886 g/ml (ASTM D4052)
Viscosity @ 100°C: 19.1 mm²/s (ASTM D445)
Viscosity @ 40°C: 174.8 mm²/s (ASTM D445)
Viscosity Index: 124 (ASTM D2270)
Pour Point: -30°C (ASTM D97)
Flash Point: 210°C (ASTM D93)
CCS @ -15°C: 9300 mPa·s (ASTM D5293)
Key Features
Superior oil burn-off protection: 60% better than API SL standards*
Advanced additives minimize compression loss and reduce wear
Seal protection formula reduces leaks over time
Anti-sludge technology keeps engines cleaner for reliable performance
Ideal for high-mileage gasoline and diesel engines requiring 20W-50 oil
Suitable for older vehicles and engines prone to oil burn-off
Understanding Oil Viscosity
Choosing the correct oil viscosity is essential for optimal performance and equipment longevity. This blog explains what oil viscosity means and how it affects your tools and machinery.
Click here to read: Understanding Oil Viscosity













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