Specifications
API CI-4-SL – Synthetic Base
AFNOR NF E 48The product meets the following specifications:
- API CI-4-SL
Wulf Ultra W4 Diesel Engine Oil SAE 15W-40 is a high performance, multigrade heavy duty diesel engine oil designed to deliver exceptional protection and performance for a wide range of modern engines requiring API CI-4/SL. Formulated with advanced synthetic technology and premium additive systems.
It ensures excellent wear protection, engine cleanliness, and oxidation stability even under the toughest operating conditions.
API CI-4-SL – Synthetic Base
AFNOR NF E 48The product meets the following specifications:
Synthetic Base is protection of both diesel & petrol engines.
High operating reliability
Wulf Ultra W4 Diesel Engine Oil SAE 15W-40 is a high-performance multi-grade engine oil formulated using refined, high-quality base stocks and synthetic additive technology. Meeting the API CI-4-SL specifications, Wulf Ultra W4 Diesel Engine Oil SAE 15W-40 is engineered to provide exceptional protection for both diesel and petrol engines, even under severe operating conditions.
With excellent detergency and dispersancy, this oil helps maintain engine cleanliness, preventing the buildup of black sludge commonly caused by frequent start-stop operations. Its low volatility formula minimizes oil consumption, while its high thermal and oxidation stability ensures long-lasting lubrication in high-temperature environments.
Wulf Ultra W4 Diesel Engine Oil SAE 15W-40 is suitable for a wide range of applications, including naturally aspirated and turbocharged engines, direct injection systems, and multi-valve configurations. It is ideal for engines in buses, trucks, trailers, coaches, mine vehicles, and other heavy-duty machinery from leading Japanese, European, and American manufacturers.
Designed for mixed fleet operations, it provides superior wear protection across both gasoline and diesel-powered equipment, ensuring high operating reliability and extended service life.
Choose Wulf Ultra W4 Diesel Engine Oil SAE 15W-40 for cleaner engines, reduced maintenance, and dependable all-season performance across commercial and industrial vehicles.
Usman –
I’ve been using Wulf Ultra W4 Diesel Engine Oil SAE 15W-40 for my truck, and the performance is excellent! The engine runs smoother, and fuel efficiency has improved noticeably. Truly a reliable Pakistani brand that delivers international quality!