119173-18811 Aftermarket Yanmar Exhaust Gasket | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Yanmar Exhaust Gasket - Part Number: 119173-18811

A high-temperature exhaust gasket for the Yanmar 119173-13501 / 119173-13500 4-inch mixing-elbow flange. It seals the elbow to 4LH-TE, DTE, HTE and STE engines.

⚙️ Key Features

• Direct replacement for Yanmar 119173-18811

• For HDI 4B and equivalent 4LH elbows

• High-temperature exhaust sealing material

• Matches the 4LH engine flange

• Replace whenever the elbow is removed

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 119173-18811 (Yanmar service reference)

OEM / Related Numbers:

• 119173-18811

• 119173-13501

• 119173-13500

• HDI 4B

Aftermarket / Verified Equivalents:

• HDI Marine gasket for 4B elbow

🚤 Compatibility

Commonly used on:

• Yanmar 4LH 4-inch mixing-elbow joints

Typically suits:

• Engine models:

• Yanmar 4LH-TE

• Yanmar 4LH-DTE

• Yanmar 4LH-HTE

• Yanmar 4LH-STE

• Joint: engine/turbo outlet to 4-inch mixing elbow

🔌 Function

The gasket contains hot exhaust gas at the flange and prevents soot or condensate escaping into the engine compartment.

Common signs of failure:

• Black soot tracking around the joint

• Cooling-water seepage or salt deposits at the flange

• Exhaust smell or fumes in the engine compartment

• Burnt, split, crushed or hardened sealing material

• Corrosion or erosion of the mating faces

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging