Experience the exceptional performance of the Donaldson P550944 fuel filter, engineered to deliver outstanding fuel purity and protect your engine’s longevity. Whether you’re looking to purchase a Donaldson P550944 or need a reliable replacement filter, this product is designed for optimal fuel system protection and consistent, high-quality performance.

Key Features

• Superior fuel filtration and water separation for peak engine performance
• Cellulose media that offers up to 99% efficiency at 38 microns and meets SAE J1985 standards
• High emulsified water efficiency for robust filtration
• Durable construction with a 75 psi collapse burst pressure for added strength
• Secure packaging with shipment within 1 business day

Technical Specifications

• Outer Diameter: 4.5 inches
• Length: 6.0 inches
• Weight: Approximately 1.5 lbs
• Filter Type: Spin-on design featuring durable cellulose media
• Thread Size: Standardized to fit a variety of truck and heavy-duty engine applications

Compatibility & Installation

This filter is a versatile replacement that fits a range of heavy-duty engine setups. It is cross-referenced with several OEM part numbers, including AC 12944 and APOLLO LFP944F, ensuring a seamless installation experience. Please verify compatibility with your equipment before purchase.

Elevate your engine’s performance and protection—explore our extensive selection of high-quality fuel filters in our Fuel Filters collection and make the smart choice for your vehicle today.