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Severe Service Heavy Duty 5W40 CK4/SN
H05
Big Owl Heavy Duty Engine Oil meets or exceeds original equipment manufacturer (OEM) requirements and delivers high performance in both on- and off-road environments. It is designed to provide performance and protection in modern, emission treatment equipped diesel engines, including those with Exhaust Gas Recirculation (EGR) and Diesel Particulate Filters (DPF).
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