The Donaldson P550821 Fuel Filter offers exceptional engine protection through advanced filtration technology. As a genuine, brand-new part, it ensures optimal fuel quality while safeguarding essential engine components from wear. This filter is an essential upgrade for anyone striving to maintain peak performance and longevity in their engine systems.

Key Features

• Premium quality filtration media made from superior materials for enhanced durability
• Built-in rubber gasket for a secure, leak-proof installation
• Efficient pressure relief valve to protect the fuel system
• Compatibility with electronic fuel filter life indicators for proactive maintenance
• Designed to minimize injector and pump wear, ensuring smooth engine operation

Compatibility & Assurance

The Donaldson P550821 fuel filter is engineered to work seamlessly with various engine types and is cross-referenced with several OEM numbers, including leading Caterpillar and other compatible Donaldson parts. Whether buying a P550821 fuel filter for a truck or a 4WD vehicle, this product is built to meet and exceed expectations.

Enjoy peace of mind with a one-year manufacturer warranty and our commitment to fast service with same- or next-business-day shipping. Explore our extensive collection of fuel filters in our Fuel Filters Collection or discover more Donaldson parts in our Donaldson Collection for all your vehicle maintenance needs.