Freightliner Cascadia Engine Air Filter 03-42776-010

Upgrade your Freightliner Cascadia with this high-performance engine air filter (part #03-42776-010), designed for 2018-2023 models. Compatible with Freightliner replacements including TR504-EF, 91559, and 997879, it effectively removes harmful pollutants to protect your engine from wear and damage.

Engineered for quick installation—typically in just 5 minutes—this premium air filter ensures optimal airflow and engine efficiency. Before purchasing, verify your vehicle’s compatibility to guarantee a perfect fit. For any issues, our dedicated support team is ready to assist with a full resolution.