353253L100 Hyundai / KIA ROLLER TAPPET, Price: 52.25$, Weight: 0.075kg

Engine Valve Train Roller Tappet (Hydraulic Type) ⚙️

This precision roller tappet is a key valve-train part that transfers camshaft motion to the valve system with minimal friction. It’s needed to keep valve timing accurate, reduce wear, and help your engine run quiet and efficient ✅. Inside, oil pressure supports the hydraulic mechanism to maintain correct valve lash, while the roller wheel follows the cam lobe smoothly.

How It Works ?

The camshaft pushes on the tappet’s roller instead of sliding on a flat surface. This rolling contact lowers heat and drag, improves response at higher RPM, and helps protect the cam lobes. The hydraulic section self-adjusts using engine oil, so the valve train stays properly loaded even as parts expand with temperature.

Why Replacement Matters ?

When worn or damaged, a tappet may stick, collapse, or develop a flat-spotted roller. You may hear ticking/knocking, get rough idle, loss of power, misfires, or poor fuel economy. If ignored, it can scar the camshaft, spread metal debris through the oil, and lead to expensive cylinder head repairs.

Common Signs of Failure ?️

• Cold-start tapping that doesn’t go away
• Misfire codes and unstable idle
• Reduced pull at higher RPM
• Metallic noise increasing with engine speed

Compatibility ✅

• Elantra
• i30
• i30 N
• Tucson
• Creta
• Creta/Cantus
• Kona
• Kona Hybrid
• Kona N
• Kauai
• Kauai Hybrid
• Santa Fe
• Palisade
• Veloster
• Veloster N
• Ioniq Hybrid
• i40
• Aslan
• Grandeur
• Grandeur/Azera
• Genesis G70
• Genesis G80
• Genesis G90
• Genesis EQ900
• G70
• G80
• G90