GM37676 Aftermarket Kohler 7EFOZD/8.5EFOZD/9EFOZD Heat Exchanger | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Kohler 7EFOZD/8.5EFOZD/9EFOZD Heat Exchanger - Replacement Part Number: GM37676

Heat exchanger for Kohler 7-10kW EFOZD and EOZD marine generator sets.

⚙️ Key Features

• Marine-grade shell-and-tube heat exchanger

• Designed as a direct replacement for the listed reference numbers

• Helps maintain stable operating temperature under sustained marine load

• Marine connection sizes and mounting points must match the original assembly

• Suitable for professional marine cooling-system service and replacement

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• GM37676 (primary reference)

OEM / Related Numbers:

• GM37676

• GM37403-GA1/GA2/GA3

• GM55351-GA1/GA2

Aftermarket / Verified Equivalents:

• Mr Cool: MRCGM37676

• Lenco: GM37676 replacement

🚤 Compatibility

Commonly used on:

• Marine-grade shell-and-tube heat exchanger systems

Typically suits:

• Engine models:

• Kohler 7EFOZD / 9EOZD

• 8.5EFOZD / 10EOZD

• 9EFOZD / 10EOZD

• Generator Output: approximately 7-10kW depending on frequency and model

🔌 Function

The heat exchanger keeps closed-loop coolant separate from seawater while transferring heat through the tube stack.

Common signs of failure:

• Engine or generator temperature rises above normal under load

• Coolant loss or seawater leakage around the exchanger

• Restricted seawater flow from scale, debris or damaged tubes

• Coolant contamination caused by an internal tube failure

• Corroded end covers, tube stack or sacrificial anode

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging