ROUSH 401903 Diesel Power Air Intake 6.0

( Brand: Roush ), ( Manufacturer Part Number: 401903 ), ( Part Type: Intake ), ( Manufacturer Warranty: No ), ( Color: Black ), ( Material: Plastic ), ( Performance Part: Yes )

Review ROUSH Ford 6.0 Diesel Power Stroke Cold Air Intake fits F250 F350 2003–2007

Introducing the Roush Performance 401903 Air Intake System, meticulously engineered to deliver enhanced power and unrivaled performance for your 2003-2007 Ford F-250 and F-350 trucks equipped with the 6.0L Power Stroke Diesel engine.

This high-performance air intake system, manufactured by Roush, a renowned name in the automotive aftermarket industry, boasts a meticulously designed and constructed intake tubing and air filter housing. The tubing is crafted from heat-resistant, reinforced silicone to ensure a perfect fit and maintain durability even under extreme conditions. The air filter housing, on the other hand, is constructed from a robust, UV-protected composite material, providing superior protection against the elements.

The Roush 401903 Air Intake System comes with a large, high-flow, washable and reusable air filter that significantly increases the volume of air entering the engine. This results in improved combustion efficiency, leading to increased horsepower and torque, providing a noticeable improvement in engine performance.

The intake system also features a unique design that relocates the air filter from the engine compartment to the cab of the truck, providing several benefits. First and foremost, it offers easy access to the air filter for cleaning and maintenance. Additionally, it reduces the amount of hot air that enters the engine, allowing the engine to run cooler and more efficiently.

Installing the Roush Performance 401903 Air Intake System is a breeze, thanks to its plug-and-play design. The system comes with all necessary hardware for a straightforward installation, and Roush provides a detailed installation guide to ensure a successful installation.

In summary, the Roush Performance 401903 Air Intake System is an excellent investment for Ford F-250 and F-350 owners with a 6.0L Power Stroke Diesel engine, seeking to enhance their truck's power output and improve its overall performance. With its robust design, easy installation, and noticeable performance gains, this air intake system is a must-have for any serious truck enthusiast.

Roush 401903 Air Intake for 2003-2007 Ford F250 F350 6.0 Diesel: A Detailed Analysis

The Roush 401903 air intake system is a popular aftermarket upgrade for the 2003-2007 Ford F250 F350 6.0 diesel engines. This component aims to enhance engine performance by providing a more efficient airflow system. In this analysis, we will discuss the potential advantages and disadvantages of installing this air intake system.

1. Improved Airflow: The Roush air intake system is designed to provide a larger and smoother airflow path leading to the engine. This results in a more efficient combustion process and increased power output.

2. Enhanced Engine Response: With a more efficient airflow system, the engine can respond faster to throttle inputs, providing a more responsive driving experience.

3. Better Fuel Economy: By optimizing the airflow, the engine can run more efficiently, potentially leading to improved fuel economy.

4. Increased Horsepower and Torque: The Roush air intake system is known to provide a noticeable increase in horsepower and torque, making the vehicle more powerful and capable.

1. Installation Complexity: Installing the Roush air intake system requires some level of mechanical expertise. It may not be a straightforward DIY project for inexperienced individuals.

2. Cost: The Roush air intake system is a premium aftermarket component, and its cost may be a significant investment for some vehicle owners.

3. Potential Noise: Some users have reported increased engine noise after installing the Roush air intake system. This could be due to the larger and more open air filter design.

4. Maintenance: The Roush air intake system requires regular maintenance, including oil changes, to ensure optimal performance.

The Roush 401903 air intake system offers several advantages for the 2003-2007 Ford F250 F350 6.0 diesel engines. These benefits include improved airflow, enhanced engine response, better fuel economy, and increased horsepower and torque. However, potential drawbacks include installation complexity, cost, potential noise, and maintenance requirements.

Based on the analysis, it is recommended that individuals considering this upgrade have a good understanding of their vehicle and the installation process. They should also weigh the benefits against the costs and potential drawbacks to determine if the Roush 401903 air intake system is the right choice for their specific application.

Details:

Filter prob needs cleaning See pics. Roush 2003 2007 Ford F250 F350 6.0 Diesel Power Stroke Cold Air Intake Box Some paint peeling no extra holes / mods.

part #: 401903 price

• $389.00

specifications aicleaer:

• for models: F250, F350
• for makes: Ford
• for years: 2003-2007
• brand: Roush
• mpn: 401903
• part type: Intake
• manufacturer warranty: No
• color: Black
• material: Plastic
• performance part: Yes

shipping aicleaer:

• class: Standard
• service: FedEx Ground or FedEx Home Delivery
• cost: $24.00
• transit: 3-7 Days
• carrier: FedEx
• type: Fixed

offer aicleaer:

• options: Ship-to-home
• sold: 0
• quantity: 1
• started: July 15, 2025
• best offers: True
• availability: In Stock

general aicleaer:

• Car Truck Parts Accessories > Air Fuel Delivery > Air Filter Housings
• condition: Used

returns aicleaer:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

payments aicleaer:

• other
• credit card: Visa
• wallet: Google-pay

seller aicleaer:

• rating: 100.0%
• # reviews: 4847
• city: Utica, New York

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