Hastings HF903 Spin-on Hydraulic Fluid Filter

Hastings HF903 Spin-on Hydraulic Fluid Filter is a heavy-duty filter designed to protect hydraulic systems from wear-causing contaminants. Built with rugged construction and high-efficiency media, it ensures reliable performance, long service intervals, and extended component life. Manufactured by Hastings Premium Filters, USA. Technical Specifications: Part Number: HF903 Filter Type: Spin-on Hydraulic Fluid Filter Application: Hydraulic systems in heavy equipment, agricultural machinery, construction machinery, and industrial equipment Outer Diameter: 5.36 in (136.1 mm) Inner Diameter/Thread: 1 3/8-12 UN thread Overall Height: 8.36 in (212.3 mm) Gasket Outer Diameter: 4.33 in (110.0 mm) Gasket Inner Diameter: 3.89 in (98.8 mm) Micron Rating: Nominal 10–25 microns (high-efficiency cellulose/synthetic blend) By-Pass Valve: Integrated (typically set at 25–30 psi depending on system design) Anti-Drainback Valve: Yes, to prevent dry starts Media Type: Pleated cellulose/synthetic fiber blend with steel core support Maximum Working Pressure: Designed for high-pressure hydraulic applications (up to ~200 psi typical for spin-on hydraulic filters) Flow Direction: Outside-in filtration Efficiency: Meets or exceeds OEM specifications for hydraulic fluid cleanliness standards (ISO 4406) Service Life: Extended drain/service intervals depending on operating conditions Cross Reference: Equivalent to Baldwin BT9031, Fleetguard HF6553, Donaldson P550463, WIX 51864, Fram P1653 Manufacturer: Hastings Premium Filters Country of Manufacture: United States of America Please review pictures carefully and let us know if you have any questions!