Superior protection against sludge

Castrol GTX 15W-40 A3/B3 is designed to protect your engine against the buildup of sludge, a thick, tar-like substance that can reduce your engine's performance. This engine oil offers 25% better protection against sludge compared to the industry standard, keeping your engine cleaner and more efficient.

Suitable for various engines

This engine oil is suitable for both petrol and diesel engines, including vehicles with turbochargers, multi-valve systems, and catalytic converters. It meets the ACEA A3/B4 and API SP specifications, and is approved for use in vehicles from, among others, Volkswagen and Mercedes-Benz that require a 15W-40 oil with specifications VW 501 01/505 00 or MB 229.1.

Benefits of Castrol GTX 15W-40 A3/B3

• Excellent protection against thermal and viscosity breakdown: Helps maintain oil performance under high temperatures and severe driving conditions.
• Anti-wear additives: Extend the life of your engine by reducing wear.
• Contains seal conditioners: Helps limit oil consumption and prevents smoke and leaks by maintaining the elasticity of engine seals.

Technical specifications

• Density at 15°C: 0.873 g/ml
• Kinematic viscosity at 100°C: 14.5 mm²/s
• Viscosity index: 144
• Pour point: -36°C
• Flash point: 202°C
• Sulfated ash: 1.3% by weight

Applications and approvals

Castrol GTX 15W-40 A3/B3 meets the following specifications and approvals:

• ACEA A3/B4
• API SP
• VW 501 01 / 505 00
• Fiat 9.55535-D2
• MB-Approval 229.1

Storage and use

For optimal performance, it is recommended to store the oil in a dry place, protected from direct sunlight and at temperatures below 60°C. Make sure the packaging is tightly closed to prevent contamination.

With Castrol GTX 15W-40 A3/B3, you choose a reliable engine oil that protects your engine and extends its lifespan.