aFe Pro Guard D2 Fuel Filter

Dodge Ram 2500 / Ram 3500 07-09 6.7L Diesel/5.9L Diesel

Part #: 44-FF012

Overview

The aFe Pro Guard D2 Fuel Filter is a high-performance replacement fuel filter engineered specifically for 2007 to 2009 Dodge Ram 2500 and Ram 3500 trucks equipped with the 6.7L diesel engine. Designed to meet the rigorous demands of diesel fuel systems, this filter delivers superior filtration efficiency while maintaining optimal fuel flow to protect your engine from harmful contaminants.

Built by aFe (Advanced Flow Engineering), a trusted leader in automotive performance parts since 1999, the Pro Guard D2 ensures a direct OE fit for seamless integration with your vehicle’s existing fuel system. This fuel filter is ideal for diesel truck owners who prioritize engine reliability, fuel system protection, and long-term durability under challenging driving conditions.

Key Features

The aFe Pro Guard D2 Fuel Filter combines advanced filtration technology with durable construction to provide dependable performance in harsh diesel environments. Key features include:

• High Flow Rate: Engineered to maximize fuel flow, reducing restriction and supporting efficient engine operation.
• Maximum Filtration: Utilizes NF21 synthetic media that effectively captures contaminants without compromising fuel flow.
• Heavy Duty Construction: Built to withstand the demanding conditions of diesel fuel systems and resist corrosion.
• Direct OE Replacement: Ensures perfect fitment and hassle-free installation with no modifications required.
• Easy Installation: Designed for straightforward replacement to save time and effort during maintenance.
• Durable Synthetic Media: Provides long-lasting protection against dirt, rust, and other fuel impurities.
• 90 Day Limited Warranty: Backed by aFe’s commitment to product quality and reliability.

Construction & Design

The Pro Guard D2 Fuel Filter features a rugged housing engineered to endure the tough conditions of diesel fuel delivery systems. Its core filtration element is constructed from NF21 synthetic media, which offers superior contaminant capture compared to traditional cellulose filters. This synthetic media balances high filtration efficiency with minimal flow restriction, ensuring clean fuel delivery without sacrificing engine performance.

The heavy-duty filter housing resists corrosion and damage from fuel additives and environmental factors, extending the service life of the filter. Every component is precision-engineered to meet or exceed OEM specifications, providing a reliable and durable solution tailored for your Dodge Ram’s fuel system needs.

Installation & Fitment

The aFe Pro Guard D2 Fuel Filter is designed as a direct replacement for the factory fuel filter on 2007 to 2009 Dodge Ram 2500 and Ram 3500 diesel trucks with the 6.7L engine. Installation is straightforward and requires no special tools or modifications. Simply remove the old filter and install the Pro Guard D2 in its place, ensuring all connections are secure to prevent leaks. This ease of installation helps minimize downtime and keeps your truck running smoothly.

What's Included

• One aFe Pro Guard D2 Fuel Filter (Part #44-FF012)
• Installation instructions

Ideal For

This fuel filter is ideal for owners of 2007–2009 Dodge Ram 2500 and Ram 3500 diesel trucks who demand reliable fuel system protection and improved filtration efficiency. It suits daily drivers, fleet vehicles, and diesel enthusiasts looking to maintain engine health and optimize fuel delivery. The Pro Guard D2 is especially beneficial for those operating in environments with contaminated or low-quality diesel fuel, where superior filtration is critical to prevent engine damage and maintain performance.

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.