JH Aftermarket Yanmar 3JH/4JH Stainless Steel Exhaust Mixing Elbow | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Yanmar 3JH/4JH Stainless Steel Exhaust Mixing Elbow - Part Number: JH

A cast AISI 316 stainless-steel JH mixing elbow replacing Yanmar 129470-13560/13561 and 129670-13560/13561. It fits naturally aspirated and turbocharged 3JH/4JH engines using the common JH flange and outlet geometry.

⚙️ Key Features

• Cast AISI 316 stainless-steel construction

• Replaces four Yanmar JH elbow numbers

• For 3JH and 4JH engine families

• Uses gasket 129472-18090 on applicable naturally aspirated engines

• Corrosion-resistant alternative to the original elbow

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• JH → Replaces 129470-13560, 129470-13561, 129670-13560 and 129670-13561

OEM / Related Numbers:

• 129470-13560

• 129470-13561

• 129670-13560

• 129670-13561

• 129472-18090

• HDI JH

Aftermarket / Verified Equivalents:

• HDI Marine: JH

• Recmar: MAR13561INOX

🚤 Compatibility

Commonly used on:

• Yanmar 3JH/4JH wet-exhaust systems

Typically suits:

• Engine models:

• Yanmar 3JH2E

• Yanmar 3JH3E

• Yanmar 3JH3-CE

• Yanmar 3JH4E

• Yanmar 3JH5E

• Yanmar 4JHE

• Yanmar 4JH2E

• Yanmar 4JH2CE

• Yanmar 4JH2-TE

• Yanmar 4JH2-DTE

• Yanmar 4JH3E

• Yanmar 4JH4E

• Yanmar 4JH4AE

• Material: cast AISI 316 stainless steel

• Engine Families: Yanmar 3JH and 4JH

🔌 Function

The elbow routes engine exhaust and injects raw water before the wet 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