Engine Air Filter Original Equipment Part Number 57MD42M Key benefits Restores proper engine intake filtration to protect internal components from dust and debris. Direct fit compatibility with ECG11 housing simplifies installation and reduces downtime. Manufactured to match original equipment specifications for reliable performance and consistent airflow. What this part does Functions as the primary engine air filter, removing particulates from intake air before it reaches the engine. Helps maintain engine efficiency and prolong component life by preventing abrasive contaminants from entering the air intake system. Compatibility and identification Original Equipment Part Number 57MD42M for accurate parts identification. Fits ECG11 housing for straightforward replacement during scheduled maintenance or repairs. Important attributes Function: Engine intake air filtration. Compatibility: Designed to fit ECG11 housing using OE part number 57MD42M for correct fit and sealing. Fit and performance: Engineered to meet original equipment fit and airflow characteristics to maintain expected engine operation. Practical applications Routine maintenance: as part of scheduled service to maintain engine performance and reduce wear. Equipment : Use when restoring or rebuilding an engine intake system that uses ECG11 housing to ensure proper fit and filtration. Fleet and workshop use: Keep on hand as a service part for vehicles or equipment that reference part number 57MD42M for quick turnarounds. Why choose this part Clear OEM part number makes ordering and verification simple. Direct fit to the specified housing reduces installation complexity. Designed to perform the core function of engine air filtration without altering engine airflow characteristics. Installation notes Verify part number 57MD42M and housing compatibility before installation. Follow equipment manufacturer guidance for replacement intervals and installation procedures.