Genuine Honda Oil Filter that was in use for 14 months/4737 miles. The oil used was Mobil 1 5W-20. HPL EC30 was used for the last 2000 miles of this interval. Although this engine is a serious oil burner, I am not surprised by the lack of debris since it has always received 3K oil changes on dino or 4-5K oil changes with synthetic. I refilled with HPL 10W20 and a Genuine Honda Oil Filter.
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