---
product_id: 112338570
title: "Donaldson P550849 Fuel Filter (Water Separator, Cartridge)"
brand: "donaldson"
price: "$80.24"
currency: USD
in_stock: true
reviews_count: 5
category: "Donaldson"
url: https://www.desertcart.us/products/112338570-donaldson-p550849-fuel-filter-water-separator-cartridge
store_origin: US
region: United States of America
---

# Durable, long-lasting build Spin-on design, tool-free service Advanced filtration efficiency Donaldson P550849 Fuel Filter (Water Separator, Cartridge)

**Brand:** donaldson
**Price:** $80.24
**Availability:** ✅ In Stock

## Summary

> 🛢️ Filter smarter, drive cleaner—because your engine deserves the best.

## Quick Answers

- **What is this?** Donaldson P550849 Fuel Filter (Water Separator, Cartridge) by donaldson
- **How much does it cost?** $80.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/112338570-donaldson-p550849-fuel-filter-water-separator-cartridge)

## Best For

- donaldson enthusiasts

## Why This Product

- Trusted donaldson brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Rugged construction designed for the long haul—trusted by OEMs and professionals alike for reliable performance.
- • **Trusted by Experts:** Highly rated by users who demand consistent, top-tier filtration for their vehicles—join the community of satisfied pros.
- • **OE-Approved Quality:** First-fit choice for original equipment manufacturers, guaranteeing perfect compatibility and peace of mind.
- • **Precision Filtration:** Donaldson’s cutting-edge technology delivers a wide range of efficiency ratings, ensuring your fuel stays contaminant-free.
- • **Effortless Maintenance:** Spin-on cartridge design means no special tools—replace filters in seconds and keep your engine running smooth.

## Overview

The Donaldson P550849 Fuel Filter is a vehicle-specific, spin-on cartridge filter designed for easy, tool-free replacement. Featuring advanced filtration technology, it efficiently separates water and contaminants to protect your engine. Built with durable materials and trusted by OEMs, this filter ensures long-lasting performance and reliability for professional-grade fuel system maintenance.

## Description

Durable, rugged and built for the long haul, Donaldson filter are the first-fit choice of OE's and the preferred choice for filter replacement.

Review: Good filter - Donaldson makes a really good filter. Have bought several & all worked well
Review: Good - Good

## Features

- Easy to service, no special tools needed - removing and replacing spin-on filters is hassle free
- Wide range of efficiency ratings - you can rely on Donaldson's advanced filtration technology to provide the performance needed
- Built for the long haul
- First-fit choice of OE's and the preferred choice for filter replacement

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01F4UQU5Y |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #229,087 in Automotive ( See Top 100 in Automotive ) #1,601 in Automotive Replacement Fuel Filters |
| Brand | Donaldson |
| Brand Name | Donaldson |
| Compatible with Vehicle Type | vehicle specific |
| Customer Reviews | 4.4 out of 5 stars 21 Reviews |
| Global Trade Identification Number | 00742330195383 |
| Included Components | Filter |
| Item Type Name | Fuel Filter (Water Separator, Cartridge) |
| Item Weight | 12.8 ounces |
| Manufacturer | Donaldson |
| Manufacturer Part Number | P550849 |
| Model Number | P550849 |
| OEM Equivalent Part Number | 3944901S, 4669642 |
| Outer Material | Plastic or Metal |
| Product Grade | Performance,Replacement |
| Style | Cartridge |
| Style Name | Cartridge |
| UPC | 742330195383 |
| Unit Count | 1 Count |
| Vehicle Service Type | vehicle specific |

## Product Details

- **Brand:** Donaldson
- **Item Weight:** 0.8 Pounds
- **Outer Material:** Plastic or Metal
- **Product Grade:** Performance,Replacement
- **Vehicle Service Type:** vehicle specific

## Images

![Donaldson P550849 Fuel Filter (Water Separator, Cartridge) - Image 1](https://m.media-amazon.com/images/I/31zwYg8m+5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good filter
*by B***E on May 14, 2026*

Donaldson makes a really good filter. Have bought several & all worked well

### ⭐⭐⭐⭐⭐ Good
*by G***N on May 22, 2026*

Good

### ⭐⭐⭐⭐⭐ The best
*by M***N on November 23, 2024*

Like always Donaldson filters are the best on the market

## Frequently Bought Together

- Donaldson P550849 Fuel Filter (Water Separator, Cartridge)
- Donaldson P555776 Fuel Filter (Water Separator, Spin-on)
- Donaldson P559000 Lube Filter, Spin-on, Full Flow (Pack of 2)

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**Shop now:** [https://www.desertcart.us/products/112338570-donaldson-p550849-fuel-filter-water-separator-cartridge](https://www.desertcart.us/products/112338570-donaldson-p550849-fuel-filter-water-separator-cartridge)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-24*