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Quick view Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN Ultra1Plus™ SAE 15W-40, Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN is formulated with synthetic base oils and a premium additive package. This oil is designed for use in for use in high-speed four-stroke cycle diesel engines designed to meet... MSRP: Now: $39.99 Add to Cart Compare Compare Selected
