222262B415 Hyundai / KIA TAPPET, Price: 7.47$, Weight: 0.03kg

Engine Valve Tappet (Hydraulic Lifter) ?️

This small but vital engine part sits between the camshaft and the valve train to keep valve movement smooth and exact. It is needed to hold correct valve clearance, reduce ticking noise, and protect the cam lobes from fast wear. Many modern engines use this type of tappet to automatically adjust for heat expansion and normal component wear.

How It Works ⚙️

Inside the body, engine oil pressure fills a tiny chamber and supports an internal plunger. As the camshaft turns, the tappet transfers the cam lift to the rocker/valve mechanism while oil pressure helps remove free play. This keeps timing accurate, improves idle quality, and supports stable compression.

Why Replacement Matters ✅

A worn or sticking tappet can cause tapping noises, misfire at idle, rough running, and power loss. If it collapses or seizes, the camshaft and valve tips can score or pit, leading to expensive cylinder head repairs. In severe cases, the valve may not open fully, increasing fuel use and overheating the engine.

Common Signs of Failure ?

• Cold start ticking that doesn’t fade
• Loss of performance and unstable idle
• Metal particles in oil or fast cam wear

Compatibility ?

• L300