383.834.340.309 (L23/30H-50501-01H-076) | VALVE SEAT RING (EX)

BRAND:

With a history of more than 20 years, NXM is always focus on the manufacture of rocker arm,tappet,tappet roller, push rod, piston pin, valve seat and varieties of high strengthed bolts and nuts. It is the OEM maker for CMP, and its products are sold in many countries and regions in China, Japan, Singapore and Europe.

DESCRIPTION:

The seat rings are made of heat-resistant steel. The seating surfaces are hardened in order to minimize wear and prevent dent marks.

FEATURE:

The item is strictly produced in accordance with MAN original technical standard and drawings. The performance of it is the same as MAN genuine part, and also, it is able to be exchanged with MAN genuine part.

PRECAUTIONS:

1.1.   The valve seat is requested to mount on the cylinder head in according to cold-fitting procedure, which cold medium is liquid nitrogen or dry ice.

1.2.   In order to prevent O-ring from being damaged during installation, special tools are required.

1.3.   In order to prevent cylinder head from being damaged during installation, special tools are required.