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P580710 Separator, FS20083, FS20385, DDE A0000905051 Donaldson P580710 Water Separator Original price was: $167.00.Current price is: $119.00.

Donaldson P551011 Water Separator

$66.00

The Donaldson P551011 Water Separator removes water and dirt from diesel fuel systems.
It protects injectors and pumps, keeping engines clean and reliable under heavy-duty use.

SKU: P551011 Category:
Description

Description

Protect Your Fuel System

The Donaldson P551011 Water Separator keeps your fuel system clean and dry.
It removes water, dirt, and rust particles from diesel fuel before they reach your injectors.
Clean fuel helps your engine start easier, run smoother, and last longer.

This filter is used in many trucks, buses, and heavy equipment with diesel engines.


OEM-Quality Replacement

The P551011 is a direct OEM replacement for many factory fuel water separators.
It installs easily and fits standard filter heads used in diesel applications.

Specifications:

  • Part Number: P551011, FS19915, DDE A0000903651, DMX P551011

  • Type: Fuel/Water Separator

  • Filtration Efficiency: 99% at 10 microns

  • Height: 6.93 in.

  • Outer Diameter: 3.66 in.

  • Thread: 1-14 UNF

  • Features: Water-separation barrier and high-efficiency media

Each unit is pressure-tested to meet OEM durability standards.


Built Tough for Heavy-Duty Engines

The Donaldson P551011 Water Separator uses strong, corrosion-resistant steel housing.
Its high-capacity media traps fine particles while the inner barrier separates water from diesel fuel.
This design protects fuel injectors and extends engine life.

Donaldson filters are trusted worldwide for reliability in extreme conditions.


Easy to Install

Installation is fast and simple.

Steps:

  1. Drain the old filter.

  2. Clean the mounting base.

  3. Lubricate the new gasket.

  4. Spin on by hand until the gasket seats.

  5. Prime the system and check for leaks.

No special tools or modifications are needed.


Applications

The Donaldson P551011 fits many on-highway and off-road diesel engines, including:

  • Volvo

  • Mack

  • Freightliner

  • Caterpillar

  • Cummins
    (Always confirm your OEM part number before ordering.)


Why Choose TZ Parts

At TZ Parts, we provide high-quality filtration and engine parts trusted by fleets across the U.S.
Our Donaldson filters meet or exceed OEM standards for performance and protection.
This is a Quality TZ Parts Product, built for long-term reliability and easy maintenance.

We ship fast and back every order with professional service and product knowledge.


Shipping and Pickup

We offer fast nationwide shipping and local pickup at our Fort Myers, Florida location.

📍 Address: 17050 Alico Commerce Ct, Fort Myers, FL 33967
📞 Call: 239-342-7777
💬 Text: 239-341-7777
📧 Email: info_fl@truckzoneparts.com


Learn More

Read about diesel fuel safety at the U.S. Department of Transportation (external link, nofollow).
Explore more Fuel Filters and Water Separators on TZParts.com.

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Payment and Delivery
Important information about foreign shipping Tolls, taxes, and other fees not indicated in the total price may apply to international shipments. Shipping available for the following countries: Standard Shipping Cost United States $35.00 Payment methods PayPal (including credit card, debit card, and bank transfer) By choosing this payment method you will be automatically directed to PayPal's site in the next step. When you've entered your information there, you'll be brought back to this store to complete your order. Local Delivery COD Local Pickup COD