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FS offers heavy-duty diesel engine oil and passenger car motor oil that are field-proven, formulated to perform better than the competition, and provide economic advantages. View our full lubricants product line.
FS Suprex Gold ESP (Exhaust System Protection) SAE 15W-40 is an API CK-4/SN premium heavy-duty engine oil formulated with advanced technology to provide superior engine life for on- and off-highway applications as well as the added protection needed for the exhaust after-treatment devices, such as the diesel particulate filters (DPFs) and the diesel oxidation catalysts (DOCs). FS Suprex Gold ESP SAE 15W-40 is backwards compatible with all API oil service categories and engine models that operate on diesel fuels with sulfur content up to 500 ppm.
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