Castrol GTX 10W-40 Engine Oil 4L

Castrol GTX 10W-40 is a premium semi-synthetic engine oil engineered to provide reliable protection for passenger car engines. This 4-liter formulation is specifically designed to combat the formation of harmful sludge and minimize engine wear, ensuring that critical components remain clean and lubricated. By maintaining excellent thermal stability, this oil helps preserve engine performance and longevity across a variety of driving conditions.

Advantages

The primary benefit of using Castrol GTX 10W-40 is its advanced ability to prevent sludge buildup, which is a common cause of engine failure. Its semi-synthetic composition offers a superior balance between protection and efficiency compared to conventional oils. The oil maintains consistent viscosity and flow, providing reliable lubrication during cold starts and maintaining a protective film under high-temperature operating conditions, which significantly contributes to extending the overall service life of the engine.

Suitable for

• Gasoline engines in passenger cars
• Diesel engines in passenger cars
• Vehicles requiring ACEA A3/B4 or API SL/CF specifications
• Engines specifying MB-Approval 229.1 or VW 501 01 standards

When it may not be suitable

This oil may not be suitable for high-performance engines or modern vehicles that require specific low-viscosity synthetic oils, such as 0W-20 or 5W-30, as mandated by the manufacturer. Always consult your vehicle owner's manual to ensure the viscosity and performance standards match your engine's requirements.

Key specifications

• Viscosity grade: 10W-40
• Oil type: Semi-synthetic
• Volume: 4 liters
• Performance standards: ACEA A3/B4, API SL/CF
• Manufacturer approvals: MB-Approval 229.1, VW 501 01

How to use

To use Castrol GTX 10W-40, first ensure the engine is turned off and has cooled down sufficiently. Locate the oil filler cap and the oil drain plug under the vehicle. Drain the old oil into a suitable container, replace the oil filter, and securely tighten the drain plug. Pour the required amount of new oil into the engine through the filler port, checking the level with the dipstick to ensure it reaches the manufacturer's recommended capacity. Dispose of the used oil at an authorized recycling facility.

What to consider before purchase

• Verify the oil viscosity and performance standards in your vehicle owner's manual
• Check the total oil capacity of your engine to ensure 4 liters is sufficient
• Confirm compatibility with your vehicle's specific engine type

Usage recommendations: For optimal engine health, perform regular oil changes according to the intervals specified by your vehicle manufacturer. Avoid mixing this oil with products that do not meet the same performance standards to maintain the integrity of the lubrication system.