128370-13610 Aftermarket Yanmar Stainless Steel Exhaust Elbow Bend HDI GML | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Yanmar Stainless Steel Exhaust Elbow Bend HDI GML - Part Number: 128370-13610

A stainless-steel lower exhaust bend replacing Yanmar 128370-13610 in GM/HM/YM threaded two-piece exhaust systems. This GML component carries dry exhaust from the engine to the separate upper GM mixing elbow.

⚙️ Key Features

• Stainless-steel lower exhaust bend

• Replaces Yanmar 128370-13610 in the GML configuration

• For GM/HM/YM engine families

• Threads to a removable upper mixing elbow

• Allows mixer cleaning without removing the lower bend

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• GML → Replaces the lower-bend function of Yanmar 128370-13610

OEM / Related Numbers:

• 128370-13610

• HDI GML

• HDI GM

• HDI GMKIT

• 128370-13201

Aftermarket / Verified Equivalents:

• HDI Marine: GML

🚤 Compatibility

Commonly used on:

• Yanmar GM/HM/YM threaded U-bend exhaust systems

Typically suits:

• Engine models:

• Yanmar 2GM / 2GM20 / 2GM30

• Yanmar 3GM / 3GMD / 3GM30 / 3GM30F

• Yanmar 3HM / 3HM35 / 3HM35F

• Yanmar 2YM15 / 3YM20 / 3YM30

• Material: stainless steel

• Part Type: lower dry exhaust bend

• Associated Mixer: HDI GM / 124070-13520 family

🔌 Function

The bend routes dry exhaust from the engine outlet to the separate threaded water-injection mixer.

Common signs of failure:

• External corrosion, cracking or pin-hole leakage

• Internal carbon, rust or salt restriction

• Cooling water entering the manifold, turbocharger or cylinders

• Steam, reduced cooling-water discharge or an abnormally hot exhaust hose

• Loss of power caused by excessive exhaust back-pressure

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging