New Cascadia Charge Air Cooler (2018-2026) - Heavy Duty - Replaces TXE1030523

• Direct OEM Match: Precision-engineered to directly replace OEM numbers TXE1030523, TXE1030486, and FRT18149 for a seamless, drop-in installation.
• Restores Engine Power: Eliminates boost leaks to restore your engine's horsepower, improve fuel economy, and lower dangerously high exhaust gas temperatures (EGTs).
• Maximum Heat Dissipation: Features a massive 36-1/2" x 26-1/2" high-efficiency core to cool compressed intake air for optimal Detroit DD13/DD15 performance.
• Heavy-Duty Construction: Built with a reinforced 2" thick aluminum core to easily handle the extreme turbo pressures and rough road vibrations of long-haul trucking.
• Leak-Free Connections: Precision-machined 4" inlet and outlet necks ensure a perfect, secure seal with your factory CAC hoses and clamps.

Restore your engine's lost horsepower and maximize fuel efficiency with this premium New Cascadia Charge Air Cooler by FleetPro Parts & Tires. Specifically engineered for the newest generation of Freightliner trucks (2018–2026), this heavy-duty intercooler is designed to meet the intense turbo boost demands of the "New Cascadia" P4 body style. Whether you are running a Detroit DD13 or DD15, this CAC is the direct-fit solution to eliminate boost leaks and get your rig back to peak performance. We stock these units locally right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for owner-operators and fleets across the Midwest and nationwide.

Advanced Turbo Efficiency: The New Cascadia Charge Air Cooler Advantage

This New Cascadia Charge Air Cooler is built to withstand the extreme pressures and high-temperature cycles of modern heavy-duty turbo systems. It serves as a premium replacement for major OEM numbers including TXE1030523 and TXE1030486. Note: Its precision-engineered 36-1/2" x 26-1/2" core ensures maximum heat transfer, while the 4-inch inlet and outlet connections guarantee a secure, blowout-proof seal with your boost tubes—keeping you moving through the 2026 haul season without the dreaded "hiss" of a boost leak.

At FleetPro, we specialize in high-quality cooling components that offer a professional alternative to expensive dealer parts without sacrificing rugged durability. A leaking CAC can cause your engine to run hot, lose horsepower, and burn excess fuel, eating directly into your profits. This intercooler features a reinforced 2-inch thick core specifically designed to prevent tube-to-header failure under heavy hauling conditions. Don't let a cracked cooler sideline your business; choose FleetPro quality today.

Vehicle Fitment & Compatibility

This Charge Air Cooler (CAC) is a guaranteed fit for the following applications (Must match OEM number):

• Make: Freightliner
• Model: New Cascadia (P4 Body Style)
• Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
• Engines: Detroit Diesel DD13 & DD15

Direct Replacement & Cross-Reference Numbers:

This intercooler serves as a direct exact-fit replacement for the following part numbers:

• Freightliner OEM: TXE1030486, 1030486, TXE1030523, TXE1030523A, 1030523A, 1030523
• Industry Cross-Reference: FRT18149N, FRT18149

Technical Specifications

Core Height 36-1/2" Core Width 26-1/2" Core Depth 2" (Reinforced Heavy Duty) Inlet / Outlet Neck 4" / 4" Construction High-Grade Aluminum Intercooler Brand FleetPro Parts & Tires