1310375071 Toyota PISTON SUB-ASSY, W/PIN, Price: 63.51$, Weight: 0.707kg

Engine Piston & Wrist Pin Assembly ⚙️

Why you need it 🚗

This OEM‑grade piston assembly restores factory compression, clean combustion, and smooth power delivery. In every cycle, it seals the chamber, converts expanding gases into crankshaft rotation, and works with the ring pack to control oil. Choose it during rebuilds, after overheating or detonation marks, or when you notice rising oil consumption, blow‑by, or loss of acceleration.

How it works 🔧

The heat‑treated aluminum crown rides the cylinder bore while a low‑friction skirt coating reduces noise and wear. The wrist (gudgeon) pin lets the connecting rod pivot freely, maintaining perfect geometry at high RPM. Precision‑machined ring lands keep compression and oil rings square to the bore, preserving pressure, lowering emissions, and improving fuel economy. Balanced mass protects bearings and crankshaft from excess vibration.

What happens if it’s broken ❗

Cracked ring lands, scuffed skirts, or an oval pin bore cause low compression, blue smoke, knocking, misfires, and metal in the oil. Continued use risks scored cylinders, stuck rings, bent rods, and even seizure—turning a routine refresh into a full engine replacement.

Pro install tips 🛠️

Measure bore, taper, and clearance; hone for proper cross‑hatch. Set ring end gap and orientation. Lubricate pin and fit new clips. Observe piston arrow/mark, torque rod bolts to spec, and perform correct break‑in.

Compatibility

• Hilux
• Tacoma