8235-1706S71
Piston Cup
Mack

This piston cup is a crucial component in the engine's piston assembly, playing a key role in maintaining proper sealing and compression within the cylinder. Its precise design ensures minimal leakage, which is vital for engine efficiency and power output. Made from high-quality materials, it withstands extreme temperatures and pressures encountered during engine operation. Proper functioning of this part directly influences fuel economy, emissions, and overall engine longevity. Its durability reduces the frequency of repairs and replacements, contributing to lower maintenance costs. Ensuring a tight seal, it helps prevent oil and combustion gases from escaping, maintaining optimal engine performance. Source One Parts Center provides this essential part to support the reliable operation of your heavy-duty engine, keeping your truck running smoothly and efficiently.