RING SET-PISTON

Piston Ring Set for Nissan Engine

This piston ring set is a must-have internal engine part that seals the gap between the piston and cylinder wall. It is needed to keep strong compression, control engine oil, and move heat from the piston into the cylinder block. When the rings fit correctly, the engine runs smoother, starts easier, and keeps power under load.

How It Works ⚙️

Each piston normally uses compression rings and an oil control ring. As the piston moves up and down, the rings expand outward and maintain contact with the cylinder wall. This creates a tight seal for combustion pressure while the oil ring scrapes extra oil back to the sump, preventing oil from burning in the chamber.

If the Rings Are Worn or Broken ❗

Damaged rings allow “blow-by” gases to pass into the crankcase, causing low compression, weak acceleration, hard starting, and high fuel use. You may also see blue exhaust smoke, rising oil consumption, and poor idle. Ignoring the issue can lead to cylinder scoring, overheating, and costly engine rebuild.

Compatible Models ✅

• Frontier
• Np300 Frontier
• Navara Np300
• Np300 Navara
• Terra