Fuel Resources
As a Costco member, you have exclusive access to Kirkland Signature™ Fuel. Our deep-cleaning formula reduces deposit build-up on intake valves, filters and fuel injectors that can impact engine performance, fuel economy and emissions.
Just present your Costco membership card when you pull up to our fuel pumps.
NOT ALL FUEL IS CREATED EQUAL
TOP TIER FUEL YOU DESERVE HIGHER QUALITY FUEL...
Several automobile manufacturers recommend the use of TOP TIER™ fuel to maintain optimal performance. Costco is listed as a TOP TIER™ fuel retailer. Find out more at www.toptiergas.com.