HOT4KIT4 Aftermarket Yanmar 4LHA Z-Series Exhaust Mixer/Dry-Elbow Kit | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Yanmar 4LHA Z-Series Exhaust Mixer/Dry-Elbow Kit - Part Number: HOT4KIT4

A complete stainless-steel dry-riser and wet-mixer conversion kit for Yanmar 4LHA Z-drive engines. It replaces the original dry exhaust bend and mixing-elbow arrangement and includes the matched clamps, insulation and support parts required for a complete installation.

⚙️ Key Features

• Complete 4LHA Z-series exhaust conversion package

• Cast and fabricated AISI 316 stainless-steel exhaust components

• Includes dry riser, mixing elbow, clamps, blanket, shield and bracket

• Replaces the 119175-13301 and 119773-13500/13501/13510 families

• Designed for removable mixer service and cleaning

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• HOT4 → Replaces Yanmar 119175-13301

• VB → Replaces Yanmar 119773-13500, 119773-13501 and 119773-13510

• VBC → Replaces Yanmar 119773-13300

OEM / Related Numbers:

• HOT4KIT4

• 119175-13301

• 119773-13500

• 119773-13501

• 119773-13510

• 119773-13300

• 119175-13320

• 119175-13700

• 119773-13250

Aftermarket / Verified Equivalents:

• HDI Marine: HOT4KIT4

Included Components:

• Dry exhaust bend - Part Number: 119175-13301 / HDI HOT4

• Mixing elbow - Part Number: 119773-13500, 119773-13501 or 119773-13510 / HDI VB

• 2 × V-band clamps - Part Number: 119773-13300 / HDI VBC

• Insulation blanket - Part Number: 119175-13320 / HDI MAT4

• Stainless heat shield - Part Number: 119175-13700 / HDI SHIELD4

• Mounting bracket and bolts - HDI BKT4-4

• 2 × turbo/exhaust gaskets - Part Number: 119773-13250

🚤 Compatibility

Commonly used on:

• Yanmar 4LHA Z-drive dry-riser and wet-mixer exhaust systems

Typically suits:

• Engine models:

• Yanmar 4LHA-STZE

• Yanmar 4LHA-STZP

• Yanmar 4LHA-DTZE

• Yanmar 4LHA-DTZEP

• Yanmar 4LHA-HTZE

• Yanmar 4LHA-HTZEP

• Dry-Riser Flange: approximately 89mm

• Dry-Riser Bore: approximately 67mm

• Mixer Discharge: 4 in

• Mixer Water Inlet: 1-1/4 BSPT

🔌 Function

The kit raises and redirects dry turbo exhaust, then injects cooling water in the removable mixing elbow before discharge into the wet exhaust hose.

Common signs of failure:

• Exhaust-gas or cooling-water leakage after assembly

• Restricted exhaust flow or excessive back-pressure

• Insufficient cooling-water injection into the wet exhaust

• Corrosion or pitting at the mating flanges

• Incorrect alignment, clamp engagement or gasket compression

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging