Restore the power and efficiency of your Mack E7 diesel engine with this precision-engineered piston ring set, part number DEV 353GC214. Designed specifically for the Mack E7 series and sized for a 123.82mm bore, this heavy-duty replacement ring kit delivers OEM-quality performance for on-road and off-road heavy-duty applications.
Manufactured from high-strength cast iron and built to handle the extreme pressures and temperatures of commercial diesel operation, this ring set provides superior wear resistance, effective oil control, and optimal compression sealing. Whether you're rebuilding an entire engine or replacing worn rings, this kit ensures your Mack E7 engine continues to deliver reliable torque, efficiency, and longevity.
Part Number: DEV 353GC214

Application: Mack E7 Diesel Engines

Bore Size: 123.82mm

Complete Ring Set – Includes compression and oil control rings for one piston

Heavy-Duty Cast Iron Construction – Designed for high-load, high-heat diesel engine environments

OEM-Quality Fit & Performance – Manufactured to meet or exceed original equipment standards

Mack E7 Series Diesel Engines (various displacements and configurations)

Engine rebuilds

In-frame and out-of-frame overhauls

Routine maintenance for fleets, heavy trucks, construction, and industrial equipment

Restores compression and improves combustion efficiency

Reduces oil consumption and blow-by

Increases fuel economy and extends engine life

Designed to meet the demands of heavy-duty trucking and industrial use