Engine Oil Cooler Housing O‑Ring Seal

This premium sealing ring keeps the engine’s oil cooler/adapter tight against the block. It holds oil pressure, stops leaks, and protects the motor from heat and contamination. Built for tough under‑hood temps, it resists oil, coolant mist, and fuel vapors.

Why you need it ✅

Without a healthy seal, hot oil seeps out, pressure drops, and the cooler can’t do its job. Replacing the O‑ring during service prevents costly messes and safeguards bearings and timing components.

How it works ⚙️

The ring sits in a machined groove between the cooler/adapter and engine block. When torqued, it compresses to create a static seal. Quality elastomer (like Viton) keeps elasticity under heat cycles and maintains a leak‑free joint.

What happens if it fails ⚠️

Oil drip near the filter area, burning smell, spotted driveway, low oil level, flickering oil light, and in extreme cases bearing damage. Over time, hardened or flattened seals lose preload and start weeping.

Pro tips ️

Clean the groove, lightly oil the new ring, align surfaces, and torque to spec. Never reuse a crushed or swollen seal.

Compatibility

• Qx80/Qx56
• Qx60 Hybird
• Qx60 Hybrid
• Qx50