Formulation and Additive Technology The base oil is sourced from Chevron’s network of refineries, but the true value lies in the additive package. ACEA (European Automobile Manufacturers' Association) A3/B4, C2/C3 Indicates suitability for European engines requiring specific viscosity and performance.
Who Makes Kirkland Conventional Motor Oil Formulation and Additives
Specification Common Rating What It Means API (American Petroleum Institute) SN, SP Ensures basic performance and protection against wear, deposits, and oxidation. Choosing the correct viscosity ensures the oil flows quickly during cold starts and maintains a stable film at operating temperatures.
Knowing that the product is backed by the logistical might of Costco and the technical expertise of major lubricant suppliers offers confidence that your engine is cared for with ingredients that meet or exceed industry requirements. These full-synthetic options offer superior oxidation resistance and cold-flow properties, making them ideal for turbocharged or high-performance engines that demand extreme protection.
Who Makes Kirkland Conventional Motor Oil Formulation and Additives
ILSAC (International Lubricant Standardization and Approval Committee) GF-6 Focuses on fuel economy and compatibility with after-treatment devices. Instead, Costco contracts with established oil companies that possess the infrastructure and regulatory compliance to meet strict specifications.
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