P550162 Oil Filter Fits Donaldson ModelsOne New Aftermarket Replacement Lube Filter (Spin On, Full Flow) for Donaldson Applications This full flow spin on lube filter (P550162) is a direct replacement for Donaldson P550162. It is designed to keep engine oil systems clean by capturing harmful contaminants, and features an anti drainback valve to protect engine components during cold starts and a bypass valve to maintain oil flow under high pressure conditions. Suitable for a wide range of