0101 458 Oil Separator Filter Gasket — Detroit Diesel

What does an oil separator filter gasket do?

This oil separator filter gasket serves as a critical sealing element within the crankcase ventilation system of heavy-duty diesel engines. By providing a precise seal between the filter housing and the engine block, it ensures that hot oil vapors and gases pass through the filtration process without leakage, maintaining the necessary pressure balance within the system.

Vehicle and engine compatibility

This component is engineered for use in various heavy commercial vehicles, including Western Star models like the 4700, 4900, and 57X, as well as Freightliner vehicles such as the Cascadia and Columbia. It is specifically compatible with Detroit Diesel DD13 and DD15 engines to ensure optimal performance under demanding operating conditions.

Installation and maintenance

For workshop technicians, ensuring a clean mating surface during installation is vital to prevent pressure loss in the CCV system. Replacing this gasket during scheduled oil separator service helps prevent oil leaks and maintains engine air quality. Check the compatibility list to ensure correct fitment.

System performance

Maintaining the integrity of the oil separator assembly prevents oil contamination in the air intake and ensures stable crankcase pressure.

OE cross-reference

0101 458 (Oil Separator Filter Gasket) is the equivalent of the Mercedes-Benz OE numbers. This part directly replaces Mercedes-Benz OE numbers 4720180220, 4720180780.