AirDog WS100 Universal Diesel Fuel Water Separator / Pre-Filter

Vehicle Fitment

• Universal fit - designed for use with AirDog diesel fuel systems and compatible aftermarket lift pump setups

Features

• Universal water separator and pre-filter for diesel fuel systems
• Effectively separates water from diesel fuel before it reaches the fuel pump
• Enhances fuel system reliability and protects injectors and pumps
• Compact design fits many under-hood and frame-rail applications
• Easy spin-on filter service for quick maintenance
• Works with AirDog I, AirDog II, AirDog II-4G, AirDog II-5G and similar systems
• Helps reduce fuel contamination and improve engine performance
• Durable construction for long-lasting service life

Specifications

• Part Number: WS100
• Type: Diesel fuel water separator / pre-filter
• Compatibility: Universal for AirDog and compatible lift pump systems
• Filter Style: Spin-on water separation element
• Installation: Inline or return line mounting as needed

Included Components

• 1x AirDog WS100 Universal Water Separator / Fuel Pre-Filter
• 1x Installation Instructions

Product Description

The AirDog WS100 is a universal diesel fuel water separator and pre-filter designed to improve fuel quality before it enters the lift pump or fuel injection system. By separating water and large contaminants from diesel fuel, the WS100 helps protect critical components like high-pressure pumps and injectors, increasing fuel system longevity and reliability. Its compact, spin-on design makes it easy to service and integrates cleanly into aftermarket fuel systems.

Compatible with a wide range of AirDog fuel system models and other aftermarket lift pump configurations, this water separator provides a reliable first line of defense against water-related fuel issues. Whether you're upgrading a truck's fuel system or maintaining an existing setup, the AirDog WS100 gives added protection and helps maintain clean, high-quality fuel delivery for peak engine performance.