Cold Air Intake for Dodge Ram (1998-2002) 5.9L Cummins Diesel Engine Black

Optimize Airflow for the 1998-2002 Dodge Ram 2500/3500 5.9L Cummins ISB

Who Is This For? Designed specifically for Dodge Ram 2500 and 3500 owners running the 24-Valve 5.9L Cummins ISB engine who need a high-mileage performance refresh or extra breathing room for heavy-duty towing.

The Factory Lung Restriction: As your Cummins ISB ages, the factory airbox often becomes a bottleneck, engineered more for engine silence than actual efficiency. When you’re hauling a heavy trailer or climbing a steep grade, the restrictive stock baffles cause the turbo to work harder than necessary, leading to increased EGTs and sluggish throttle response. You step on the pedal, and the engine feels like it’s gasping for air before the turbo finally spools up.

The Engineering Solution: We engineered this intake system to provide a high-velocity, low-restriction path directly to the turbocharger. By utilizing smooth-walled T304 aluminum piping, we eliminate the turbulence found in corrugated factory hoses. The result is a system that allows the 24-valve 5.9L to draw in cooler, denser air, significantly improving combustion efficiency and providing that distinct turbo whistle every diesel owner craves.

The Comparative Edge: Why This Beats the Competition

• The Performance Gain: Delivers up to a 10% increase in horsepower and torque by optimizing the air-to-fuel ratio across the entire powerband.
• Superior Material Choice: Constructed from T304 Polished Aluminum, which provides superior heat dissipation and corrosion resistance compared to cheaper plastic or thin-walled aluminized steel kits that can rust or crack.
• Maintenance-Free Reliability: Features a high-flow synthetic air filter that is fully washable and reusable, unlike the restrictive paper filters found in generic replacement kits.
• Zero-Mod Installation: A true direct bolt-on system that uses factory mounting points—no drilling, cutting, or fabrication required on your Ram chassis.

Technical Specifications & Factory Ratings

Compatibility & OEM Reference

Fits the Following Vehicles:

• 1998 Dodge Ram 2500 5.9L Cummins Diesel (24-Valve)
• 1999 Dodge Ram 2500 5.9L Cummins Diesel (24-Valve)
• 2000 Dodge Ram 2500 5.9L Cummins Diesel (24-Valve)
• 2001 Dodge Ram 2500 5.9L Cummins Diesel (24-Valve)
• 2002 Dodge Ram 2500 5.9L Cummins Diesel (24-Valve)
• 1998 Dodge Ram 3500 5.9L Cummins Diesel (24-Valve)
• 1999 Dodge Ram 3500 5.9L Cummins Diesel (24-Valve)
• 2000 Dodge Ram 3500 5.9L Cummins Diesel (24-Valve)
• 2001 Dodge Ram 3500 5.9L Cummins Diesel (24-Valve)
• 2002 Dodge Ram 3500 5.9L Cummins Diesel (24-Valve)

Interchange Part Numbers:

CAI-DRAM9802-59L-BK, 24V-CUMMINS-INTAKE-BLACK, 5.9L-ISB-ADAPTER

The Performance Promise

Restore your Cummins’s legendary responsiveness. This intake is designed to help your engine breathe better, run cooler, and last longer. Backed by real automotive experts and fast shipping, this is the essential first step in modernizing your 2nd Gen Ram’s performance.