MAR128370-13550INOX Aftermarket Yanmar Stainless Steel Exhaust Elbow | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Yanmar Stainless Steel Exhaust Elbow - Part Number: MAR128370-13550INOX

An AISI 316 stainless-steel Recmar exhaust mixing elbow for the listed Yanmar marine diesel engines. It replaces the associated OEM elbow numbers and retains the correct engine flange, cooling-water inlet and wet-exhaust outlet geometry.

⚙️ Key Features

• AISI 316 stainless-steel construction

• Direct replacement for the listed Yanmar OEM numbers

• Corrosion-resistant alternative to the original elbow

• Product-specific flange and water-inlet geometry

• Use a new exhaust gasket during installation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• MAR128370-13550INOX → Replaces 128370-13550, 128370-13231, HDI GMS5

OEM / Related Numbers:

• MAR128370-13550INOX

• 128370-13550

• 128370-13231

• HDI GMS5

Aftermarket / Verified Equivalents:

• Recmar: MAR128370-13550INOX

• HDI Marine: GMS5

🚤 Compatibility

Commonly used on:

• Yanmar wet-exhaust systems using the listed OEM elbow family

Typically suits:

• Engine models:

• Yanmar 3GMD

• Yanmar 3GM30

• Yanmar 3HM35

• Yanmar 3HM35F

• Material: AISI 316 stainless steel

• Connection Details: 50mm exhaust outlet

🔌 Function

The elbow turns exhaust away from the engine and injects raw water before discharge into the flexible exhaust hose.

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