Castrol GTX 20W50

Castrol GTX 20W50
Product Code: #5380122051

Product Description:

20W50 is a premium, super multigrade that guards against wear by providing a superior oil film strength and extreme high temperature strength. 20W-50 exceeds API service SM, SL, SJ and SH. Use SAE 20W-50 when ambient temperature is above 20 degrees Fahrenheit.


  • Castrol GTX exceeds demanding U.S. high shear and stay-in-grade requirements for viscosity breakdown protection.
  • Far exceeds the demanding U.S. requirements for viscosity breakdown in every grade!
  • Engineered to provide maximum protection against viscosity and thermal breakdown! Anti-oxidants, detergents and dispersants provide unsurpassed protection against thermal breakdown.
  • Exceeds passenger car and gasoline light truck requirements for the protection of gasoline and turbocharged engines where API SM, SL, SJ or SH is recommended.

Available in:

  • 1 Quart (#5380422051)
  • 1 Gallon (#5380122051)
  • 55 Gallon (#5385522051)

Viscosity @ 100°C, cst 18
Viscosity @ 210°C, cst 90.1
Low Temperature (°C) Cranking Viscosity, cP max 9500 @ -15
Low Temperature (°C) Pumping Viscosity, cP max 60000 @ -20
Specific Gravity 0.883
Pounds Per Galoon 7.35
Castrol - New Label