

💧 Keep your engine running clean and mean with Donaldson’s hassle-free fuel filter!
The Donaldson P550849 Fuel Filter is a high-performance, spin-on cartridge designed for trucks, featuring advanced water separation and filtration technology. Engineered for durability and ease of service without special tools, it is the preferred replacement part trusted by OEMs to maintain optimal engine health.















| Brand | Donaldson |
| Product Grade | Replacement Part |
| Outer Material | Plastic or Metal |
| Vehicle Service Type | Truck |
| Item Diameter | 4.21 Inches |
| Item Weight | 12.8 ounces |
| Style | Cartridge |
| Global Trade Identification Number | 00742330195383 |
| Manufacturer | Donaldson |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 3944901S, 4669642 |
| UPC | 742330195383 |
| Model | Fuel Filter |
| Item model number | P550849 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | P550849 |
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