Engine Oil Cooler Assembly for Nissan

This oil cooler helps keep engine oil at a safe working temperature under heavy load, hot weather, towing, or long highway runs. When oil stays cooler, it stays thicker enough to protect bearings, turbo/valvetrain parts, and timing components. It also reduces sludge build-up and helps your engine last longer ?️.

Why this part is needed

Modern engines create a lot of heat. The oil does more than lubrication—it also carries heat away from critical internal surfaces. An oil cooler adds extra cooling capacity so the oil does not thin out and lose pressure when the engine is pushed hard.

How it works

The unit routes hot oil through a heat exchanger where heat is transferred into coolant or airflow (depending on design). Oil exits the cooler at a lower temperature, returning to the engine with better film strength and more stable pressure ✅.

What happens if it’s broken

A failing cooler can cause oil leaks, overheating oil, low oil pressure, or even coolant/oil mixing. Symptoms may include burning smell, oil around the housing, rising engine temps, and noisy valve train. If ignored, it can lead to accelerated wear and possible engine damage ⚠️.

Compatible models

• Challenger