K&N Engineering Oil Filter HP-4003 Heavy-Duty Canister with Welded Hex Nut

K&N Engineering Oil Filter HP-4003 — Heavy-Duty Canister with Welded Hex Nut Premium Filtration & Engine Protection The K&N HP-4003 is engineered for drivers who demand reliable oil flow and exceptional contaminant capture. Its pleated synthetic-blend media filters harmful particles while maintaining consistent oil pressure for smooth engine operation. Durable Construction Heavy-duty canister: Built for toughness to resist dents and deformation during installation and service. Welded 1" hex nut: Integrated hex nut speeds removal and installation — no extra tools needed. Universal Compatibility & Long Service Life Designed to work with synthetic, conventional, and blended motor oils, the HP-4003 meets or exceeds service intervals recommended by vehicle manufacturers for everyday and performance use. Warranty & Confidence Backed by the K&N 1-Year Limited Warranty, this filter provides dependable protection so you can drive with confidence. Outstanding contaminant capture Maintains consistent oil flow and pressure Quick, tool-friendly removal with welded hex nut Compatible with all motor oil types