Kirkland Signature SAE 15W-40 Heavy-Duty Diesel Engine Oil, 1 gal

Advanced wear protection helps provide longer engine life; Oxidation control helps prevent varnish and sludge formation; Highly shear stable formulation.

Kirkland Signature SAE 15W-40 Heavy-Duty Diesel Engine Oil provides superior protection for your engine, ensuring maximum performance and longevity. Formulated with high-quality additives, this oil offers excellent viscosity and stability even under extreme temperatures. Keep your diesel engine running smoothly with Kirkland Signature.