36719 Aftermarket Detroit Diesel 6-71TI Exhaust Mixing Elbow JT16215 HDI DET3 | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Detroit Diesel 6-71TI Exhaust Mixing Elbow JT16215 HDI DET3 - Part Number: 36719

A heavy-duty stainless wet exhaust mixing elbow for Johnson & Towers marinised Detroit Diesel 6-71TI engines. The JT16215 / HDI DET3 configuration suits dry-turbo 425HP and 450HP packages and includes the clamp and water-inlet hardware required for the circular turbo outlet.

⚙️ Key Features

• Cast AISI 316 stainless-steel mixing elbow

• Circular V-band turbo connection

• 2-inch cooling-water inlet

• Approximately 8-inch wet-exhaust outlet

• Supplied with installation hardware

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• HDI DET3 → Replaces Johnson & Towers JT16215

• 36719 is a documented aftermarket catalogue reference

OEM / Related Numbers:

• 36719

• Johnson & Towers JT16215

• HDI DET3

• HDI DET35C

Aftermarket / Verified Equivalents:

• HDI Marine: DET3

Included Components:

• Mixing elbow - Part Number: HDI DET3 / JT16215 replacement

• V-band clamp - Part Number: HDI DET35C

• 90-degree bronze water hose-barb kit - supplied with DET3

• Mounting gasket, bolts and washers - supplied with DET3

🚤 Compatibility

Commonly used on:

• Johnson & Towers / Detroit Diesel dry-turbo wet-exhaust systems

Typically suits:

• Engine models:

• Detroit Diesel 6-71TI 425HP dry-turbo marine

• Detroit Diesel 6-71TI 450HP dry-turbo marine

• Cooling-Water Inlet: 2 in

• Exhaust Outlet: approximately 8 in / 203mm

• Material: cast AISI 316 stainless steel

🔌 Function

The elbow attaches to the dry turbo outlet, turns the exhaust flow and injects seawater into the gas stream before discharge into the wet exhaust system.

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