Mobil Delvac Extreme HD Diesel Oil 10W-30, 1 Gal, Case/4

Mobil Delvac Extreme 10W-30 is a premium and high-performance synthetic diesel engine oil designed to help extend the lifespan of modern diesel engines operating in extreme conditions. This diesel engine oil works to deliver extended performance for up to two times beyond the original equipment manufacturer (OEM) recommended oil drain intervals, with the potential to improve fuel economy*. Fully backward compatible, Mobil Delvac Extreme 10W-30 is recommended for use in a wide range of heavy-duty, on- and off-highway applications, including engines operating under heavy loads, and meets or exceeds the requirements of API CK-4, CJ-4, CI-4 PLUS, CI-4, and other service categories.

One of the key features of Mobil Delvac Extreme 10W-30 is its exceptional stability***, anti-wear performance, and high-temperature performance, which help to promote the long life of critical wear surfaces. This diesel engine oil also offers excellent low-temperature performance, ensuring increased oil flow to critical bearing surfaces at startup, controlling sludge formation, and maintaining stay-in-grade shear stability.

Results may vary based on vehicle/engine condition, driving and environmental conditions. Consult OEM or ExxonMobil before implementing extended ODIs. Potential fuel economy improvement is dependent on vehicle/engine type, outside temperature, driving conditions, and current engine oil viscosity. **Thermal and oxidative stability.

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