To meet new standards for fuel economy and emissions, OEMs are using new engine technologies like stop-start and direct injection with turbocharging. These new engines require more advanced motor oils, so Kendall® worked with OEMs and industry to develop a new standard: ILSAC GF-6 and API SP.

The new formulations that exceed this standard help protect wear in the new engine systems and keeps them running cleaner for longer. It also increases fuel efficiency, decreases carbon emissions and prevents low-speed pre-ignition.

GF-6 Introduction

The GF-6 specification is the most significant change to the passenger car motor oil category for more than a decade. Learn what that means for you.

Engine Designs

GF-6 engine oils have been formulated to support the advances in modern engine design through the improvement in fuel efficiency and wear protection.


The primary driver for the industry to move toward GF-6 is to reduce greenhouse gas emissions while increasing fuel efficiency and wear protection.

GF-6 Preparation

Shaping GF-6 into what it is today meant a lot of discussions with OEMs and chemical manufacturers. Kendall made it a point to be involved every step of the way.

How Oil & Energy will use GF-6

On May 1 2020, the ILSAC GF-6 specification and API SP categories were launched in the USA. Kendall GT-1®PCMO products have been upgraded to meet the new ILSAC GF-6 and API SP.

Products we sell will be upgraded on a rolling change basis for clients currently using GT-1 PCMO products. There will be no product or part number changes to existing products.

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