K0215Y0273 Subaru Part SN 5W30 Semi Synthetic Motor Oil 4L

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Subaru OEM SN 5W30 motor oil (K0215Y0273) adopts premium semi-synthetic hydrocracked base oil and exclusive additive formula developed for Subaru boxer engines, fully compliant with API SN and ILSAC GF-5 global lubrication standards. It forms uniform, tough protective oil film for horizontally opposed engine pistons, crankshafts, timing chains and turbo components under variable temperature and load conditions, perfectly adapting to urban frequent start-stop, cold winter startup and highway long-distance driving of Subaru gasoline passenger vehicles.

5W-30 multi-grade viscosity balances low-temperature fluidity and high-temperature shear resistance, realizing rapid oil circulation during cold ignition to reduce metal abrasion of boxer engine unique horizontal structure. Powerful high-alkali cleaning dispersants restrain sludge, carbon deposit and acid substance accumulation inside the engine, keep cylinder walls and valve components clean and maintain stable power output throughout the full oil service cycle.

Moderate ash formula avoids premature aging and blockage of three-way catalytic converters, matching exhaust system maintenance demands of Subaru vehicles. Excellent oxidation stability slows oil degradation and oil burning loss, extending regular oil replacement intervals. The fully sealed 4L metal can effectively prevent liquid leakage during transportation and storage, isolating dust and moisture to retain complete lubricating performance. This oil is the factory-recommended maintenance lubricant for mainstream Subaru series passenger cars.