K&N Engineering Spin-On Oil Filter

1994–2024 Dodge Ram 2500 / Ram 3500

SO-4003

Overview:

The K&N Engineering Spin-On Oil Filter is a premium replacement filter designed specifically for Dodge Ram 2500 and Ram 3500 models spanning from 1994 through 2024. Crafted for professional installers and service providers, this oil filter offers superior filtration and engine protection throughout its service life. Its high flow design reduces oil filter restriction, helping to maintain optimal engine performance while accommodating all grades of synthetic, conventional, and blended motor oils.

Ideal for heavy-duty trucks and work vehicles, the K&N Spin-On Oil Filter ensures reliable oil filtration under demanding conditions, making it a trusted choice for both daily drivers and performance enthusiasts who require durable and efficient engine protection.

Key Features:

This K&N oil filter combines advanced design and quality materials to deliver exceptional performance and durability. Key features include:

• High flow design reduces oil filter restriction to support improved engine performance
• Fluted canister shape allows easy removal with standard oil filter wrenches commonly used by professionals
• Durable pleated media provides outstanding filtration efficiency and high dirt-holding capacity
• Compatible with synthetic, conventional, and blended motor oils for versatile use
• Engineered to withstand extended oil change intervals when used according to manufacturer recommendations
• Robust construction ensures reliable performance under heavy-duty and high-stress conditions
• Designed specifically for Dodge Ram 2500 and 3500 models from 1994 to 2024, ensuring perfect fitment

Construction & Design:

The K&N Spin-On Oil Filter features a rugged fluted canister design that enhances grip during installation and removal, making it convenient for professional mechanics and DIY enthusiasts alike. Inside, the filter media is pleated to maximize surface area, allowing for superior dirt and contaminant capture without compromising oil flow. This construction supports extended oil change intervals while maintaining engine cleanliness and protection.

Manufactured with high-quality materials, the filter housing resists corrosion and damage from harsh operating environments, ensuring long-lasting durability. The filter’s seal and internal components are engineered to maintain integrity under varying temperatures and pressures typical of heavy-duty truck engines.

Installation & Fitment:

Installation of the K&N Spin-On Oil Filter is straightforward and requires no modifications. Its fluted canister shape is compatible with standard oil filter wrenches, facilitating quick and secure removal during routine maintenance. This filter is designed to fit a wide range of Dodge Ram 2500 and 3500 models from 1994 through 2024, including various trims such as Laramie, SLT, Sport, ST, SXT, TRX, Big Horn, Lone Star, Rebel, and Tradesman.

Always refer to your vehicle’s owner manual and follow recommended oil change intervals and procedures to ensure optimal performance and longevity of your engine.

What's Included:

• One K&N Engineering Spin-On Oil Filter (Part # SO-4003)
• Installation instructions

Ideal For:

This oil filter is ideal for Dodge Ram 2500 and 3500 owners seeking a high-quality, reliable replacement filter that supports engine performance and longevity. It is particularly suited for professional installers, service providers, and enthusiasts who demand durable filtration capable of handling heavy-duty use and extended oil change intervals. Whether used for daily driving, towing, or commercial applications, this filter delivers consistent protection and efficiency.

K&N is one of the most recognized names in performance filtration, offering reusable high-flow air filters, cold air intakes, and related filters for street and motorsports use. Their products are designed to improve airflow and serviceability—ideal for enthusiasts who want performance-oriented filtration and easy maintenance.