GYSML Aftermarket Yanmar YSM-Series Exhaust Elbow Gasket 104211-13201 | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Yanmar YSM-Series Exhaust Elbow Gasket 104211-13201 - Part Number: GYSML

A graphite exhaust-elbow gasket for Yanmar YSM, YSB and YSE single-cylinder marine diesels. It replaces Yanmar 104211-13201 and seals the cylinder-head exhaust flange to the lower exhaust bend or complete YSMKIT assembly.

⚙️ Key Features

• Graphite high-temperature exhaust gasket

• Replaces Yanmar 104211-13201

• For YSM8, YSB8 and YSE8 engines

• Matches lower bend 104211-13070

• Replace whenever the elbow is removed

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• GYSML → Replaces Yanmar 104211-13201

OEM / Related Numbers:

• GYSML

• 104211-13201

• 104211-13070

• YSMKIT

Aftermarket / Verified Equivalents:

• HDI Marine: GYSML

🚤 Compatibility

Commonly used on:

• Yanmar YSM/YSB/YSE exhaust-flange joints

Typically suits:

• Engine models:

• Yanmar YSM8

• Yanmar YSB8

• Yanmar YSE8

• Material: graphite exhaust sealing material

• Joint: cylinder head to lower exhaust bend

🔌 Function

The gasket seals the hot exhaust flange so gas and corrosive condensate cannot escape 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