Main bearing shell, lower 1.0 mm. The Inlet Seat Ring with

The Inlet Seat Ring with part number 120021 is a crucial component within the engine's cylinder head

or ring-type faces

One such component is the gear rim

or other components

This precision is crucial for achieving uniform engine performance and longevity

Main bearing shell, lower 1.0 mm. The Inlet Seat Ring withStock information: This part is usually on stock at 4TaKT Engineering & Diesel Components BV The spare part number "100007" is a main bearing shell used in Wrtsil 20 engines. Main bearing shells are essential components that support the crankshaft, ensuring smooth rotation and maintaining engine performance and reliability. Support and stability: Provides crucial support to the crankshaft, allowing it to rotate smoothly and maintain correct alignment.