Engine Oil Cooler Assembly for Toyota V8 Workloads

Keep engine oil temperature stable during towing, off‑road climbs, and summer traffic. This assembly routes hot oil through a finned heat exchanger where heat moves into coolant and ambient air. Stable oil protects bearings, cams, and piston skirts, delivers consistent pressure, and helps the engine last longer. A smart upgrade or OE replacement for demanding drivers. ❄️🔧

Why it’s needed

• Prevents thin, overheated oil under heavy load.
• Maintains viscosity for safe hot‑idle pressure.
• Reduces oxidation and sludge, extending oil life. 🛡️

How it works

Hot oil exits the block, passes through a plate‑style core, and transfers heat to circulating coolant; cooled oil returns to the galleries. An internal control keeps warm‑up quick so friction stays low. The robust housing and O‑rings seal tight, and high‑flow passages minimize pressure drop. ✅

When it fails

• Rising oil temps, dash warnings, ticking lifters, knock at hot idle. ⚠️
• External leaks at the gasket or fittings; oily undercarriage.
• Internal breach: milky oil or oily coolant. Stop driving to avoid bearing damage and warped components. ♨️

Tech notes

Always replace seals, flush coolant, prime with fresh oil, torque to spec, and verify pressure and temp after install. Use the correct 0W‑20/5W‑30 as specified. Great OEM‑fit solution for towing and hot climates. 🚚⛽

Compatibility

• Land Cruiser
• Sequoia
• Tundra