About Us

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Motor Oil Supply is a wholesale distributor of automotive lubricants, equipment, parts, and supplies.

Founded in 1979 by John Ruth, Motor Oil Supply started with one employee and a small warehouse and has grown into one of the largest automotive lubricant distributors in the Pacific Northwest.

Offering genuine service and support, the widest array of brands and equipment, and competitive pricing, we have become the premium multi-brand distributor for the automotive, maritime, and aviation industries.  

Our headquarters are located in Kent, WA with a second distribution facility in Bellingham that provide over 35,000 square feet of storage stocking case goods, drums, bulk oil, equipment, parts, and much more. 

Specializing in lubricants, we service all types of customers, from large dealerships to one-person repair shops, and everything in between. We pride ourselves on treating each customer, regardless of size or business type, with the utmost care and highest level of service.  

When you choose Motor Oil Supply, you are choosing a business partner that is committed to helping you succeed.