The Caterpillar Spring-valve (inner) 2113122 (211-3122) is a crucial component for cylinder heads in various Caterpillar equipment models. These valve springs are designed to sit on top of the cylinder block, sealing off the cylinder and creating the combustion chamber.

This valve spring has the following specifications:

• Part Number: 211-3122
• Height (inches): 0.5
• Length (inches): 8
• Weight (lbs): 0.2
• Length (cm): 8.89
• Width (cm): 15.24
• Depth (cm): 1.27

It is specifically designed to fit Caterpillar Articulated Dump Trucks and Caterpillar Challenger models. Compatible equipment models include Caterpillar 735, Caterpillar 740, Caterpillar D350E II, Caterpillar D400E II, Caterpillar MT835, Caterpillar MT845, Caterpillar MT855, and Caterpillar MT865.