3165977 Spring Fits Caterpillar Fits CAT Industrial Construction Models model-FG-35-LP Fits Allis-Chalmers Models:

Fits Allis-Chalmers Models:

BX1850 (with RCK54-23BX Mid-Mower)

Hole size: 1-1/2"

and 410 wheel/backhoe loader models

1877731M93

3165977 Spring Fits Caterpillar Fits CAT Industrial Construction Models model-FG-35-LP Fits Allis-Chalmers Models:One New Aftermarket Replacement Inner Valve Spring Fits Caterpillar (Fits CAT) 3500 Series Engines This aftermarket replacement inner valve spring Fits Caterpillar (Fits CAT) OEM part number 3165977 and fits the heavy duty 3500 Series diesel engines used in large construction and industrial equipment. The inner valve spring seats inside the cylinder head valve spring assembly, working alongside the outer spring to maintain precise valve timing and