aFe Pro Guard D2 Transmission Fluid Filter

1998–2007 Dodge Ram 5.9L V8

Part #: 44-TF004

Overview

The aFe Pro Guard D2 Transmission Fluid Filter is a premium replacement filter engineered specifically for Dodge Ram trucks equipped with the 5.9L V8 engine from 1998 to 2007. Designed to exceed original equipment manufacturer (OEM) standards, this filter provides enhanced protection for your transmission by maintaining clean fluid flow and preventing contaminants from damaging sensitive internal components.

Ideal for both enthusiasts and professional technicians, the Pro Guard D2 filter helps extend transmission life and improve shifting performance under a variety of driving conditions, including towing, off-roading, and daily use. Its advanced filtration technology safeguards critical shift control valves and reduces the risk of secondary engine damage caused by contaminated transmission fluid.

Key Features

Combining advanced materials and innovative design, the aFe Pro Guard D2 Transmission Fluid Filter delivers superior filtration and fluid flow characteristics to protect your transmission system effectively. Key features include:

• High Flow Rate: Maximizes fluid delivery to transmission components for enhanced protection and smoother operation.
• Maximum Filtration Efficiency: Captures up to 99% of contaminants to prevent wear and damage to shift control valves.
• Heavy Duty Construction: Built to withstand demanding environments and extended service intervals.
• NF21 Synthetic Media: Proprietary synthetic filter media balances superior contaminant capture with unrestricted fluid flow.
• Easy Installation: Direct-fit design requires no modifications or special tools for quick replacement.
• Exceeds OE Requirements: Provides filtration efficiency and flow rates that surpass factory standards.
• Protects Sensitive Components: Prevents dirt and debris from causing transmission wear or failure.
• 90 Day Limited Warranty: Backed by aFe’s commitment to quality and customer satisfaction.

Construction & Design

The Pro Guard D2 filter features a robust housing engineered for strength and durability, ensuring reliable performance even under heavy-duty use. At its core is the NF21 synthetic media, a proprietary material developed by aFe to trap microscopic particles that could impair transmission function while maintaining optimal fluid pressure.

This advanced media technology allows the filter to balance filtration efficiency with fluid flow capacity, a critical factor in preserving transmission health and ensuring smooth shifting. The durable construction and premium materials make the Pro Guard D2 filter a dependable choice for maintaining transmission integrity over extended service intervals.

Installation & Fitment

The aFe Pro Guard D2 Transmission Fluid Filter is a direct-fit replacement designed specifically for Dodge Ram trucks with the 5.9L V8 engine from 1998 to 2007. Installation is straightforward and requires no modifications or special tools, making it an ideal upgrade during routine transmission fluid service.

Its secure fit and reliable sealing prevent leaks, ensuring consistent performance and protection. This filter is also compatible with a wide range of Dodge and Jeep models from the mid-1990s through the early 2000s, providing versatile application for various trucks and SUVs.

What's Included

• One aFe Pro Guard D2 Transmission Fluid Filter (Part #44-TF004)
• Installation instructions

Ideal For

This transmission fluid filter is perfect for vehicle owners and technicians who demand reliable transmission protection and improved fluid flow. It is especially suited for those maintaining or upgrading Dodge Ram trucks with the 5.9L V8 engine from 1998 to 2007. Whether your vehicle is used for daily driving, heavy towing, or off-road adventures, the Pro Guard D2 filter helps extend transmission life and maintain smooth, consistent shifting 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.