Crankcase Ventilation Oil Separator Compatible with Mack D11 Engines 2006-2022 – Replaces Part Numbers 21679517, 21975949, 21975959, 22999818

This crankcase ventilation oil separator is designed as a direct replacement for specific Mack D11 engine models manufactured between 2006 and 2022.The package includes one oil separator unit.It replaces part numbers 21679517, 21975949, 21975959, and 22999818.Installation requires disconnecting hoses and electrical connectors when the engine is cool.Locate the existing oil separator on the engine, remove the fasteners, and take out the old unit.Clean the mounting area before installing the separator.Secure it with appropriate fasteners and reconnect all hoses and electrical connectors.

• Compatible with Mack D11 engines from 2006 to 2022 fitment for a wide range of model years
• Designed to efficiently separate oil from crankcase ventilation gases to maintain engine cleanliness and performance
• Replaces OEM part numbers 21679517 21975949 21975959 and 22999818 for straightforward installation and compatibility
• Constructed with materials to withstand temperatures and continuous in heavy-duty applications
• Helps reduce oil consumption and emissions by capturing oil mist before it re-enters the intake system