aFe Pro GUARD D2 Fuel Filter

1997–1999 Dodge Ram 2500 / Ram 3500 Diesel

Part #: 44-FF004

Overview

The aFe Pro GUARD D2 Fuel Filter (Part #44-FF004) is a precision-engineered replacement fuel filter designed specifically for 1997 to 1999 Dodge Ram 2500 and Ram 3500 diesel trucks. Built to meet the rigorous demands of diesel fuel systems, this filter provides superior filtration performance while maintaining optimal fuel flow to ensure consistent engine operation.

Ideal for diesel truck owners who want to protect their fuel system from harmful contaminants, the Pro GUARD D2 filter helps extend engine life and reliability by preventing dirt, rust, and other particles from reaching critical fuel system components. Its advanced design balances maximum filtration efficiency with minimal flow restriction, supporting heavy-duty performance in demanding conditions.

Key Features

The aFe Pro GUARD D2 Fuel Filter combines durable construction with cutting-edge filtration technology to deliver dependable protection and performance for your diesel truck. Key features include:

• High Flow Rate: Engineered to provide maximum fuel flow for optimal engine responsiveness and power delivery.
• Maximum Filtration: Utilizes NF21 synthetic media to effectively capture fine contaminants, protecting fuel injectors and the fuel system.
• Heavy Duty Construction: Built to withstand harsh diesel environments and extended service intervals without compromising durability.
• Direct OE Replacement: Guarantees a perfect fit and straightforward installation with no modifications required.
• Minimal Flow Restriction: Designed to maintain fuel system efficiency and consistent engine performance under load.
• Easy Installation: Streamlined design allows quick and hassle-free replacement during routine maintenance.
• 90 Day Limited Warranty: Backed by aFe’s commitment to quality and customer satisfaction.

Construction & Design

The Pro GUARD D2 Fuel Filter features a rugged housing engineered for strength and longevity in demanding diesel applications. Inside, the NF21 synthetic media provides superior filtration capabilities, efficiently trapping dirt, rust, and other contaminants that can damage fuel injectors and reduce engine efficiency.

This filter is meticulously engineered to balance filtration performance with fuel flow, ensuring your diesel engine receives clean fuel without sacrificing power or responsiveness. Each unit is manufactured to meet or exceed OEM standards, making it a reliable choice for maintaining the integrity of your Dodge Ram’s fuel system.

Installation & Fitment

This fuel filter is a direct OE replacement designed specifically for 1997–1999 Dodge Ram 2500 and Ram 3500 diesel trucks. Installation is straightforward and requires no special tools or modifications. Simply remove the old filter and install the aFe Pro GUARD D2 unit in its place, following standard safety and maintenance procedures. This ease of installation helps minimize downtime and keeps your truck running smoothly.

What's Included

• aFe Pro GUARD D2 Fuel Filter (Part #44-FF004)
• Installation instructions

Ideal For

The aFe Pro GUARD D2 Fuel Filter is ideal for diesel truck owners and enthusiasts who demand reliable fuel system protection and consistent engine performance. It is especially suited for those operating their Dodge Ram 2500 or 3500 in heavy-duty, towing, or off-road conditions where fuel contamination risks are elevated. Whether for daily driving, worksite use, or long-haul applications, this filter helps maintain engine health and efficiency by ensuring clean fuel delivery.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.