COOLER ASSY, OIL

Engine Oil Cooler Assembly for Tough Toyota Duty 🔧

Keep your workhorse running cool under load. This OE-grade oil heat exchanger stabilizes lubricant temperature during towing, off‑road climbs, and high ambient heat. By controlling viscosity, it protects bearings, cams, and turbo seals, delivering steady oil pressure and longer engine life.

Why you need it 🛡️

Hot, thinned oil loses film strength and shears faster. A dedicated cooler pulls excess heat away, reducing oxidation, sludge, and varnish. Expect smoother hot starts, consistent pressure at idle, and improved durability on long hauls.

How it works ❄️

Pressurized oil flows through a brazed aluminum core with stacked plates. Heat transfers to coolant or airflow across fins, then returns to the galleries at a safer temperature. An integrated housing and seals prevent cross‑leaks; a bypass/thermostatic path helps quick warm‑up, then routes oil through the cooler as temps rise.

What happens if it breaks ⚠️

Signs include high oil temp, pressure light flicker, burnt oil smell, ticking valvetrain, or pinging under load. External leaks or “milkshake” contamination (oil/coolant mix) may appear. Ignoring it risks turbo coking, spun bearings, and catastrophic seizure.

Tech tips 🚚

Replace O‑rings and gaskets, clean mating faces, torque to spec, and back‑flush lines. After install, use the correct oil grade and fresh coolant; recheck for weeps after heat‑soak.

Compatibility

• Heavy Duty Truck
• Land Cruiser
• Land Cruiser Van