diesel engine oil filter

9998744 J1J6‑6744‑BA Heavy‑Duty Engine Oil Filter Replacement for Truck Diesel Engine Our 998744 J1J6‑6744‑BA oil filter is engineered as an OEM‑standard aftermarket component built for heavy‑duty diesel‑powered commercial vehicles. This filter effectively traps metal debris, carbon deposits, sludge, dust and other tiny impurities circulating inside engine oil during long‑haul driving and high‑load working conditions. It keeps engine oil clean and maintains stable lubrication, lowers engine friction and prevents premature component wear. Designed for up‑to‑40000‑kilometer service intervals, it adapts to high‑temperature and high‑pressure working environments of heavy‑duty trucks. Strictly manufactured following ISO16949 automotive quality standards, this aftermarket filter matches the size, thread and sealing parameters of original parts perfectly for leak‑free performance. It is a cost‑effective replacement choice for fleet companies, repair shops and truck owners looking for reliable filtration performance without overpaying for original factory filters.  Product Material Description: Filter media: High‑density deep‑folded composite fiber filter paper with high particle‑capture capacity and oil‑resistant property. Outer shell: Thickened cold‑rolled steel sheet with anti‑corrosion coating against rust under harsh operating environments. Internal components: Heavy‑duty coil spring, anti‑return silicone valve and high‑toughness rubber gasket, resisting aging under continuous high‑temperature conditions. Central tube: Perforated metal core for structural support and stable oil circulation.