AMSOIL OE 15w40 Synthetic Diesel Oil

Meets Diesel Emission System Requirements

AMSOIL OE 15w40 Synthetic Diesel Oil is a low-sulfated ash formulation that meets the requirements for low emission quality diesel oil and protects under the most severe conditions found in modern diesel engines. It is compatible with all exhaust treatment devices and is designed for engines equipped with diesel particulate filters (DPF).

Extreme-Temperature Performance

AMSOIL OE 15w40 Synthetic Diesel Oil is formulated for improved heat and oxidation resistance over conventional petroleum oil for cleaner engine operation, maintaining power and fuel efficiency for superior engine performance. Its dependable cold-temperature flow assures easier cold weather starting and improved post start-up protection.

Reduces Diesel Emissions and Oil Consumption

Due to its low rate of volatility (burn-off), AMSOIL OE 15w40 Synthetic Diesel Oil is able to reduce diesel emissions and oil consumption during operation. It maintains its excellent film strength even during high-temperature operating conditions to ensure dependable protection, performance and fuel efficiency.

Controls Soot-Thickening and Wear

AMSOIL OE 15w40 Synthetic Diesel Oil is formulated with premium synthetic base stocks and robust detergent/dispersant additives that keep soot particles from agglomerating and forming larger wear-causing particles. The AMSOIL OE 15w40 Synthetic Diesel Oil formulation allows for optimal soot-related viscosity control to maintain stay-in-grade performance.

Service Life

AMSOIL OE 15w40 Synthetic Diesel Oil is recommended for the intervals stated by the original equipment manufacturer (OEM). Refer to the owner's manual for specific oil change interval recommendations. AMSOIL recommends the oil filter be replaced at each oil change as recommended by the OEM.

• For best performance, use AMSOIL Ea Oil Filters or Donaldson Endurance Oil Filters.
• For maximum engine and oil life, AMSOIL Ea Bypass Oil Filters are specialized for the removal of small, wear-causing dirt particles. These filters are placed outside the main line of oil circulation, using an AMSOIL Bypass Oil Filtration System mount.
• Please visit our Oil Filter page to see all of these products and more.

Good to Know

• For best results, use AMSOIL Engine and Transmission Flush before installing AMSOIL synthetic motor oil.
• For maximum engine protection, use an AMSOIL Ea Oil Filter and an AMSOIL Ea Air Filter.
• AMSOIL recommends checking the oil at a minimum of every 3,000 miles to maintain proper fill levels and maximum engine protection.
• Oil Analyzers, Inc., a division of AMSOIL, Inc., provides cost effective, quality oil analysis services.
• Most quick lube service centers will install these products upon request or install them yourself.

Applications

AMSOIL OE 15w40 Synthetic Diesel Oil is recommended for diesel and, where appropriate, gasoline engines, including those under warranty, requiring the worldwide specifications listed on the AMSOIL Corporate website (see "Engine Protection Requirements" below).

Engine Protection Requirements

AMSOIL Synthetic Motor Oils meet or exceed specific API, ACEA and ILSAC service classifications and the engine protection requirements of various domestic and foreign engine manufacturers. Please visit the AMSOIL Corporate website for an up-to-date listing on AMSOIL OE 15w40 Synthetic Diesel Oil.

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