Donaldson Company Screw-On Full Flow Lubricant Filter Part No: P551016

The Donaldson P551016 Screw‑On Full Flow Lubricant Filter delivers essential oil filtration for heavy‑duty diesel engines, helping protect internal components from contaminants and wear. With a 99% efficiency rate at 15 microns and high‑quality synthetic filter media, it captures fine particles that can degrade engine performance. Designed with a built‑in bypass valve to maintain continuous oil flow when needed, the full‑flow, spin‑on design ensures easy installation and a secure fit. Durable and reliable, this filter is ideal for professional fleets, long‑haul trucks, and commercial vehicles, offering longer engine life, improved oil cleanliness, and reduced maintenance costs.