Duron Advanced 5W-30 earns OEM approval for the latest Volvo and Mack engines, giving fleets a new low-viscosity option for fuel savings and protection.
Oil and fluid testing answers both short- and long-term questions about the internal condition of engines, transmissions and hydraulic systems. A one-time sample of engine or transmission oil gives a ...
Kirkland Signature motor oil is cheaper, but Mobil 1 motor oil has more anti-wear additives. Either way, it's not a bad idea to buy either one from Costco.
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