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Saudi Aramco scientists in base oils laboratory
We are one of the leading suppliers of premium-quality base oils around the world.
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About Base Oils

We’re never satisfied with the status-quo. And when it comes to adding more value from our base oils production, we saw an opportunity and we delivered.

For the past 40 years, three of our downstream affiliates (LUBEREF, Motiva and S-Oil) have been major suppliers of quality Group I, Group II, and Group III base oils. We’re collaborating to deliver new solutions that meet the needs of our customers — and the needs of evolving markets — with consistent quality and reliable supply from refineries located strategically around the world.

We’re integrating our product offering under a unified global brand family, Aramco Base Oils, to deliver a broad range of base oil products under the aramcoDURA, aramcoPRIMA, and aramcoULTRA brands.

Our customers can easily source the base oils that meet their existing specifications for finished lubricants from any one of our strategically located base oil facilities.

The Aramco Base Oils Family: delivering unprecedented levels of reliability, consistency and quality on a global scale, all under one roof.


Our aramcoDURA base oils help keep automotive and industrial engines moving, meeting the exacting requirements of today’s modern automotive and industrial engines.

Key product properties:

  • API Group I
  • Consistent quality from a single source of crude oil
  • Excellent dispersant qualities and additive compatibility
  • Major applications : Industrial, Marine and mid-tier Automotive 

aramcoDURA Product Datasheets


Our aramcoPRIMA API Group II base oils give you the power to formulate the majority of automotive and industrial lubricating oils for heavy duty diesel engine oils, as well as driveline oils, industrial hydraulic and turbine oils.

We also offer process oils which are derived from our Group II processing stream but are not classified as API Group II oils.

Key product properties:

  • API Group II
  • High purity suitable for process/white oil 
  • Designed for a wide range of engine oil viscosity grades 
  • Major applications: automotive and high performance industrial applications

aramcoPRIMA Product Datasheets


Our aramcoULTRA API Group III base oils are used in applications that require high performance and efficiency, such as high performance engines, automatic/manual transmissions and long-life industrial fluids.

Key product properties:

  • API Group III
  • Designed for a low viscosity engine oil applications
  • Major applications: automotive and high performance industrial applications

We also offer fluids under the aramcoULTRA brand which are derived from our Group III processing stream but are not classified as API Group III oil that are high purity products suitable for process oil application.

aramcoULTRA Product Datasheets

Technical information

Interchangeable and linked group II base oils

In accordance with API and ACEA protocols, Saudi Aramco has successfully completed test programs that demonstrated the interchangeability and linage between Group II base oils from our global manufacturing sites.

The extensive testing programs covers API SN/GF-5, API CJ-4 together with ACEA A3/B4, E7 and E9 automotive engine in addition to demonstration in industrial and gear oils applications.

Base oils

Frequently asked questions (FAQs)

Aramco base oils product catalog 2023







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