Engine Oil Cooler Assembly for Toyota SUVs 🚗

Why this part is needed

This OEM-grade oil cooler keeps engine oil at a safe working temperature, protecting bearings, cam lobes, and turbocharger under city traffic, off‑road climbs, and towing. Stable oil temps preserve viscosity, pressure, and film strength, reducing sludge and oxidation for longer engine life 🛢️.

How it works

A compact stacked‑plate heat exchanger bolts near the oil filter. Hot oil flows through internal plates while engine coolant passes through a jacket around them. Heat moves from oil to coolant, quickly stabilizing oil temperature after start and preventing overheating on long climbs. The design delivers fast heat rejection with minimal pressure drop ❄️🔧.

What happens if it’s broken

Leaking seals or a cracked core can cause oil in coolant (milky residue) or coolant in oil (foam),low oil pressure, ticking lifters, turbo wear, and high temperature warnings. Under load you may smell hot oil, see drips, or watch temps climb. Continued driving risks bearing damage and head gasket stress ⚠️🔥.

Tech tips

Always replace O‑rings/gaskets, torque to spec, and flush coolant if contamination is present. After installation, prime oil, bleed the cooling system, and verify temps with a scan tool. Use the correct Toyota‑approved coolant and engine oil for best heat control 💧.

Compatibility

• Fortuner
• Hilux
• Innova/Kijang Innova