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).
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.














