Yanmar Marine 4JH Inboard Engine Exhaust Mixing Elbow 129671-13552 129671-13551

Exhaust Mixing Elbow for Yanmar Marine 4JH Inboard Engine

This exhaust mixing elbow for Yanmar Marine 4JH inboard engines mixes raw water with exhaust gas to cool the flow before it enters the exhaust hose, replacing OEM cross-reference numbers 129671-13552 and 129671-13551.

Overview

This exhaust mixing elbow is designed for Yanmar Marine 4JH inboard engines and directs raw cooling water into the exhaust stream to lower temperatures. A new exhaust mixing elbow restores proper exhaust flow and cooling performance on 4JH marine engines.

Built For Performance

• Engineered for Yanmar Marine 4JH inboard exhaust systems
• Mixes raw water with exhaust gas to lower outlet temperature
• Helps prevent exhaust hose damage caused by excessive heat
• Replacement part referencing 129671-13552 and 129671-13551
• Designed to maintain proper exhaust flow and cooling capacity

Fits These Machines

• for Yanmar Marine 4JH Inboard Engine

On-The-Job Use

• In exhaust riser systems for Yanmar 4JH marine inboard engines
• On vessels with wet exhaust layouts that use raw-water injection
• During engine room exhaust overhauls or cooling system maintenance
• When replacing a worn or blocked exhaust mixing elbow on a marine engine

Specs At A Glance

Good To Know

Q: How can an exhaust mixing elbow for Yanmar 4JH be inspected? A: Check for corrosion, cracks, or carbon buildup in the water jacket, and look for restricted passages that can cause overheating.

Q: What should be checked before installing this elbow? A: Confirm the engine serial number and the mounting flange layout match the original exhaust mixing elbow to ensure a correct seal.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.