03-42776-010 Air Filter — Freightliner Cascadia (2018+)

The 03-42776-010 is an OEM-specification engine air filter designed for Freightliner Cascadia trucks (2018–2025 model years) equipped with Cummins ISX/X15 or Detroit Diesel DD13, DD15, and DD16 engines. It provides the primary barrier between airborne contaminants and your engine's intake system.

Key Features

• Panel-style element measuring 25.5" × 7.5" × 9.2" for factory-exact fitment
• High-capacity pleated media captures dust, dirt, and debris down to 5 microns
• Rigid frame maintains structural integrity under high airflow and vibration
• Tool-free installation — typically completes in under 5 minutes

Maximize Engine Performance

A restricted or clogged air filter forces the engine to work harder to draw in air, leading to incomplete combustion, increased fuel consumption, and accelerated turbocharger wear. Regular replacement at 10,000–15,000 mile intervals ensures optimal airflow, peak horsepower, and the best possible fuel economy for your Cascadia.

Vehicle Compatibility

Direct fit for all Freightliner Cascadia trucks from 2018 through 2025. Cross-references to Donaldson P628541 and alternate Freightliner part number 03-42086-010.