Engine Oil Cooler Assembly – Stable Oil Temperature, Longer Engine Life ?️

This engine oil cooler assembly is designed to keep oil temperature in the safe range during city traffic, highway runs, or heavy load driving. When oil gets too hot, it becomes thinner, pressure drops, and lubrication quality goes down. A healthy cooler helps your Hyundai/Kia engine stay protected and efficient.

Why this part is needed

Modern engines run hotter and tighter than older designs. The oil cooler removes excess heat from engine oil (often through a coolant-to-oil heat exchanger), helping reduce wear on bearings, turbo/valvetrain parts, and preventing oil breakdown.

How it works

Engine oil flows through internal passages in the cooler body. Heat transfers to engine coolant (or surrounding airflow depending on design), then returns to the oil circuit at a more stable temperature. This supports consistent oil pressure and cleaner oil performance.

What happens if it’s broken

• Oil overheating, thin oil, low pressure warnings
• External leaks causing oil loss and engine damage risk
• Possible coolant/oil cross-contamination (milky sludge) ?
• Faster engine wear, noisy operation, overheating under load

Compatible Models

• Tucson
• Tucson 18
• Tucson 22
• I30 17
• I30 20
• Kona
• Kauai 18
• Kauai 21
• I40 18