🔧 Product Description
Aftermarket Yanmar 3JH2E Stainless Steel Exhaust Mixing Elbow - Part Number: JH2
A cast AISI 316 stainless-steel exhaust mixing elbow replacing Yanmar 129470-13550 on the 3JH2E engine. It matches the dedicated JH2 flange, water inlet and outlet geometry.
⚙️ Key Features
• Cast AISI 316 stainless-steel construction
• Replaces Yanmar 129470-13550
• Specific to Yanmar 3JH2E
• Corrosion-resistant replacement for the original elbow
• Use a new mounting gasket during installation
🔄 Supersession & Cross Reference
OEM Supersession Chain:
• JH2 → Replaces Yanmar 129470-13550
OEM / Related Numbers:
• 129470-13550
• HDI JH2
Aftermarket / Verified Equivalents:
• HDI Marine: JH2
• Recmar: MAR129470-13550INOX
🚤 Compatibility
Commonly used on:
• Yanmar 3JH2E wet-exhaust systems
Typically suits:
• Engine models:
• Yanmar 3JH2E
• Material: cast AISI 316 stainless steel
• Engine Application: 3JH2E
🔌 Function
The elbow turns exhaust from the engine and introduces raw water before discharge.
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
