K&N Engineering Replacement Air Filter

1989–1993 Dodge Pickup / Dodge Ram 5.9L Cummins Engine

Part #: E-1023

Overview

The K&N Engineering Replacement Air Filter for Dodge pickups equipped with the 5.9L Cummins engine from 1989 to 1993 is designed to deliver superior airflow and filtration performance. Engineered specifically for diesel enthusiasts and heavy-duty applications, this high-flow filter helps support increased horsepower and torque while maintaining excellent engine protection. Whether you're restoring your classic Dodge or enhancing your work truck's performance, this filter offers a reliable upgrade over the stock component.

Built with durability and efficiency in mind, this K&N filter is ideal for daily drivers, off-road adventures, and towing applications. Its advanced design ensures your engine breathes easier, resulting in improved throttle response and overall engine efficiency. With a focus on long-lasting performance, this filter is a smart choice for those seeking a maintenance-friendly, high-quality replacement that keeps your vehicle running at its best.

Key Features

The K&N Replacement Air Filter incorporates several innovative features that set it apart from standard filters:

• Constructed with high-quality, washable, and reusable cotton gauze media that provides excellent filtration while maximizing airflow.
• Designed with a durable, epoxy-coated aluminum wire mesh to protect the cotton media and maintain shape during service intervals.
• Engineered with a deep pleated design to increase surface area, allowing for higher airflow and longer service intervals.
• Pre-oiled with a specially formulated, high-performance oil that enhances filtration efficiency and captures microscopic particles.
• Fits directly into the factory air box, ensuring a simple, bolt-on upgrade without the need for modifications.
• Reusability allows for cleaning and re-oiling, making it a cost-effective and environmentally friendly choice over disposable filters.
• Designed to improve airflow compared to the factory paper filter, supporting better engine response and potential power gains.
• Backed by K&N’s Million Mile Limited Warranty, ensuring quality and performance for the life of your vehicle.

Filter Options

This model features a high-flow cotton gauze media that balances filtration and airflow, suitable for most driving conditions including daily commuting, towing, and off-road use. Its washable and reusable design makes it ideal for enthusiasts who prefer a sustainable, long-term filter solution that maintains peak performance with proper cleaning and maintenance.

Construction & Design

The K&N air filter is built with a rugged, epoxy-coated aluminum wire mesh that provides structural integrity and corrosion resistance. The cotton gauze media is layered and pleated to maximize surface area, allowing for increased airflow without sacrificing filtration quality. The filter's deep pleats and high-quality oil ensure microscopic particles are captured effectively, protecting your engine from harmful debris while promoting optimal airflow. Its precision design guarantees a perfect fit in the factory air box, ensuring no leaks or fitment issues.

Performance & Sound

While this replacement filter is primarily focused on improving airflow and filtration, users often notice a slight enhancement in engine response and a more robust intake sound during spirited driving. Its high-flow design supports better throttle response and can contribute to subtle power improvements, especially when combined with other performance upgrades.

Installation & Fitment

This K&N Replacement Air Filter is a straightforward bolt-on upgrade that requires no special tools or modifications. Simply remove the factory filter and install this high-performance replacement into the existing air box. No cutting, drilling, or tuning is necessary, making it an easy upgrade for DIY enthusiasts and professional mechanics alike. Regular cleaning and re-oiling will ensure continued optimal performance and filtration efficiency.

• Easy, bolt-on installation with no modifications required
• Fits directly into the factory air box of 1989–1993 Dodge pickups with 5.9L Cummins engine
• Designed for repeated cleaning and re-oiling, reducing long-term replacement costs

What's Included

• High-flow washable and reusable cotton gauze air filter
• Installation instructions

Ideal For

• Diesel truck owners seeking improved airflow and filtration
• Enthusiasts looking for a cost-effective, long-lasting air filter upgrade
• Those who want to support engine performance and longevity with a reliable, reusable filter

Emissions Note

This product is designed to meet or exceed OEM filtration standards and is suitable for use in vehicles that are compliant with emissions regulations. Always verify local regulations before installation, especially if modifications are made to the intake system.