The Freightliner M2 Business Class 106 2002 And Newer Engine Pre-Filter Replacement is a practical and efficient solution for maintaining your Freightliner M2 Business Class 106 engine's performance. This replacement filter, sold individually, is designed specifically for the Freightliner M2 Business Class 106 Engine Pre-Filter (CAB-19439). It offers a cost-effective option to keep your engine running smoothly, ensuring optimal filtration without the need to replace the entire housing. With its easy installation and reliable performance, this pre-filter replacement is a must-have for any Freightliner M2 Business Class 106 owner.