Lower Gasket Set for Cummins 855 NT BCI II engines to match OE# 3801468

The complete gasket assembly for the Cummins NT855 (14-liter inline six-cylinder) engine includes all the sealing components required for an engine overhaul. It typically uses high-temperature multilayer steel (MLS) cylinder head gaskets to handle high compression ratios. Common part numbers include 3801330 and 3801235 (for the upper gasket).

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Description

A complete gasket set includes the following key components:

Cylinder head gasket: Multi-layered steel structure, designed for high-temperature and high-pressure environments.

Intake manifold gasket: Gasket for both the intake and exhaust manifolds.

Valve cover gasket: Valve cover gasket.

Timing cover gasket: Timing cover gasket.

Oil pan gasket: Oil pan gasket.

Water pump/housing gasket: Water pump and thermostat housing gasket.

Key Specifications and Parameters

Engine: Cummins NT855 / NTA855 (14-liter, inline six-cylinder).

Cylinder head gasket type: Multi-layer steel (MLS).

Torque specifications (reference values): Cylinder head 285 ft-lbs, connecting rod 170 ft-lbs, rocker arm chamber 75 ft-lbs, injector fixed 35 ft-lbs.