S&B Cold Air Intake System

1997–2006 Jeep Wrangler TJ 4.0L

Part #: 75-5079D

Overview

The S&B Cold Air Intake System is a high-performance upgrade designed specifically for the 1997 to 2006 Jeep Wrangler TJ equipped with the 4.0L inline-six engine. This intake system is engineered to improve airflow significantly over the factory setup, delivering enhanced throttle response and potential power gains. Ideal for Jeep enthusiasts seeking a reliable and efficient way to boost their vehicle’s performance while protecting the engine from harmful contaminants and heat soak.

By replacing the restrictive stock air intake, the S&B system ensures your Wrangler breathes cleaner, cooler air, which is essential for maintaining engine health and optimizing combustion efficiency. This upgrade is perfect for daily drivers, off-road adventurers, and anyone looking to maximize their Jeep’s potential without extensive modifications.

Key Features

The S&B Cold Air Intake System combines thoughtful engineering and quality materials to deliver superior performance and durability. Key features include:

• Flows 66.99% more air than the stock intake, reducing restriction and improving engine breathing
• Fully enclosed airbox design protects the air filter from dirt, dust, and debris
• Shields the intake from engine heat to ensure cooler, denser air reaches the engine
• Precision-engineered components for a direct bolt-on installation with no modifications required
• Durable construction designed to withstand harsh off-road conditions and daily use
• Compatible with factory sensors and emissions equipment to maintain vehicle reliability

Filter Options

The intake system is available with two high-quality filter media options to suit different preferences and maintenance routines:

• Oiled Filter: Features an 8-layer cotton gauze design that is cleanable and reusable, providing excellent filtration and airflow balance.
• Dry Filter: Utilizes a dry extendable media that requires no oiling, making maintenance quick and mess-free while still offering strong filtration performance.

Construction & Design

The S&B Cold Air Intake is crafted from premium materials engineered for longevity and performance. The airbox is fully enclosed and constructed to shield the filter element from dirt and engine heat, ensuring consistent intake temperatures and cleaner air delivery. The intake tubing is designed to optimize airflow with smooth bends and a large diameter, minimizing turbulence and maximizing volume. Every component is precision-fit to maintain factory sensor locations and ensure a seamless installation experience.

Performance & Sound

By significantly increasing airflow and reducing intake air temperatures, the S&B Cold Air Intake helps your Jeep’s 4.0L engine perform more efficiently. This results in improved throttle response and a subtle enhancement in engine sound, delivering a more aggressive intake note without excessive noise. The system’s design balances performance gains with everyday drivability and comfort.

Installation & Fitment

This cold air intake system is designed for a straightforward, bolt-on installation on 1997–2006 Jeep Wrangler TJ models with the 4.0L engine. No cutting, drilling, or permanent modifications are required, making it an ideal upgrade for enthusiasts of all skill levels. The kit includes all necessary hardware and detailed instructions to ensure a smooth installation process. It fits precisely with factory mounting points and sensor connections, preserving vehicle reliability and functionality.

What's Included

• Fully enclosed airbox assembly
• High-flow air filter (oiled or dry media option)
• Precision-molded intake tubing
• Mounting hardware and clamps
• Installation instructions

Ideal For

The S&B Cold Air Intake System is ideal for Jeep Wrangler TJ owners who want to enhance their vehicle’s performance and reliability without compromising factory fitment or emissions compliance. It suits daily drivers, off-road enthusiasts, and anyone looking to improve throttle response, engine efficiency, and air filtration quality. This intake is also a great choice for those who prefer a reusable, cleanable filter option or a low-maintenance dry filter alternative.

S&B Filters builds high-flow air filtration and intake systems for trucks and diesel performance applications, focusing on airflow, filtration efficiency, and durability. Their cold air intake kits and replacement filters are popular upgrades for enthusiasts who want improved breathing, towing confidence, and long-term serviceability on hard-working rigs.