3161087
Engine Piston Lock Ring
Mack

The piston lock ring is an integral part of the engine's piston assembly, securing the piston within the cylinder and ensuring proper compression. Its precise fit prevents piston movement under high pressure and thermal expansion, contributing to engine reliability and efficiency. Made from durable materials, this component withstands extreme forces during engine operation. Proper installation and maintenance of the piston lock ring are crucial for preventing piston failure and maintaining optimal engine performance. Source One Parts Center provides this essential part to support your engine’s longevity and smooth operation, especially in heavy-duty applications where durability is paramount.