Skip to content
Worldwide shipping

Caterpillar

Valve lock for Caterpillar 3508

P/N B696

This valve lock secures the valve spring to the valve stem, maintaining the correct position of the valve within the cylinder head. It is designed for use in the Caterpillar 3508 engine.

Compatible models

Specifications

Part number
B696
Brand
Caterpillar

The valve lock is a component within the internal combustion engine valve train. Its primary function is to secure the valve spring to the valve stem, ensuring the valve remains firmly in its designated position within the cylinder head. By locking the spring in place, this component enables the valves to open and close at the precise intervals required for air and fuel intake and the expulsion of exhaust gases.

This component is compatible with the Caterpillar 3508 engine. It is engineered to fit the specific valve stem dimensions of this engine series, which is commonly utilized in heavy machinery, mining equipment, and power generation systems. Proper installation of the valve lock is necessary to maintain the integrity of the valve train assembly.

In an engine, valve locks function by seating into a groove on the valve stem to hold the spring retainer in place against the force of the compressed valve spring. This connection prevents the valve from dropping into the combustion chamber during engine operation. Regular inspection of these locks is standard practice during major engine maintenance or rebuilds to ensure the continued mechanical stability of the cylinder head assembly.