505GC26P30
Cylinder Liner Shim
Mack

The cylinder liner shim is a precision component used to fine-tune the clearance between the cylinder liner and the engine block. Its role is critical in maintaining optimal compression and ensuring efficient heat transfer within the engine. Proper use of this shim can improve engine performance, reduce wear, and extend the lifespan of internal components. It is especially useful during engine rebuilds or repairs where precise adjustments are necessary. Source One Parts Center offers this shim as a high-quality part to support your engine’s reliability and performance, ensuring your heavy-duty truck operates at peak efficiency.