Enhance your Caterpillar equipment's performance with this brand-new OE replacement Donaldson P550921 Hydraulic Filter. Packaged in its original box, this high-quality, precision-engineered filter delivers maximum durability and efficiency while protecting your machinery from contaminants. Whether you're a professional operator or a dedicated automotive enthusiast, this filter provides the reliable performance you can count on. Enjoy fast shipping—usually within one business day—and the assurance that every part is 100% genuine with no minimum order requirements. Buy with confidence, knowing you're getting a product built to last.

Key Specifications

• Outer Diameter: 130.4 mm
• Inner Diameter: 82.5 mm
• Length: Approximately 174.8–177.8 mm
• Micron Efficiency: Beta 1000 at 9 microns
• Media Type: Synthetic
• Compatible with Caterpillar equipment (e.g., CATERPILLAR part number 1391537)
• Cross References: BALDWIN PT9380MPG, FLEETGUARD HF35452

More Reasons to Buy

Purchase the Donaldson P550921 at a competitive price and experience its outstanding performance. Browse our Hydraulic Filters collection or check out additional Donaldson options in our Donaldson collection today to find the perfect match for your vehicle.