Main bearing shell, lower 1.0 mm. or silicone

or silicone

The "Screw kit for piston assembly

Its primary function is to manage the flow of fuel and air

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

Bosch original (part number 165030)

Main bearing shell, lower 1.0 mm. or siliconeStock 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.