11127575422 BMW SLEEVE11109912A, Price: 10.68$, Weight: 0.01kg

Engine Oil Filter Housing Sleeve / Sealing Sleeve ?️

This small sleeve is a critical sealing and alignment piece used around the oil filter housing or oil gallery connection. It helps guide the joint, keeps the passage centered, and supports the seal so engine oil flows only where it should. Even though it looks simple, it plays a big role in keeping oil pressure stable and the engine clean inside.

Why this sleeve is needed ✅

During operation, hot pressurized oil is constantly moving through narrow channels. This sleeve reinforces the connection, reduces vibration wear, and prevents the seal from deforming under pressure and heat cycles.

How it works ?

It sits between mating engine parts, acting as a guide and sealing surface support. When tightened, it helps create a tight oil-proof interface, minimizing internal leakage and keeping correct oil circulation.

What happens if it’s worn or broken ⚠️

A damaged sleeve can cause oil seepage, pressure loss, messy leaks around the housing area, and accelerated wear on bearings and cam components. In severe cases, low oil pressure may trigger warning lights and lead to expensive engine damage if ignored.

Compatible Models

• Lexus LX470