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7-liter ISB/QSB series and M11 engines
reducing nitrogen oxide (NOx) emissions and enhancing overall engine performance and efficiency
" the year Peterbilt was established
high-quality materials
FLEETGUARD® FILTER-AIR Cat Tools 7-liter ISB/QSB series and M11The FLEETGUARD FILTER AIR (AF4203FLG) provides high performance air filtration for heavy duty engines, effectively capturing dust and airborne contaminants. Its durable construction and advanced filtration media protect critical engine components, promoting optimal airflow and reducing wear. Designed for reliability in demanding environments, this filter supports extended service intervals, enhances engine efficiency, and lowers maintenance costs,