2672003000 Hyundai / KIA HOSE ASSY-PCV, Price: 13.21$, Weight: 0.07kg

PCV Vent Hose for Hyundai/Kia Small Gasoline Engines

This OE-quality PCV hose assembly keeps your engine breathing clean and stable. It carries blow‑by vapors from the cam cover back into the intake, so oil mist is burned instead of coating the bay. That helps idle quality, fuel economy, and emissions. Built from heat and oil‑resistant rubber with molded bends, it fits tight in factory clips and resists collapse under manifold vacuum. OE ref: 26720‑03000.

Why it’s needed

The positive crankcase ventilation circuit controls pressure inside the engine. A healthy hose prevents sludge, keeps seals from weeping, and stabilizes air‑fuel trims for smooth running .

How it works

Under light throttle, vacuum draws vapors through the hose, past the PCV valve, into the intake. The calibrated bore meters flow so the ECU can maintain correct mixture. Under load, flow reverses through the breather path to relieve pressure.

When the hose fails

• Rough idle, whistle, or stall from vacuum leak
• Oil smell in cabin, damp valve cover area
• Check Engine (lean codes, high fuel trims)
• Milky sludge from poor ventilation in short trips

Replace at first cracks or soft spots. Install in minutes; verify the PCV valve and ports are clean ️.

Compatibility

• Grand i10
• i10
• i20