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.
EXPERIENCE THE Kirkland Signature™ FUEL DIFFERENCE
FEEL THE DIFFERENCE when you step on your accelerator pedal.
VALUE THE DIFFERENCE as you eliminate deposits that may impact fuel economy.¹
BE A PART OF THE DIFFERENCE by helping to reduce harmful emissions.²
PROLONG THE DIFFERENCE as our friction modifiers help reduce engine wear and prolong engine life.³
