🔧 Product Description
Aftermarket Kohler 4-7.3EF/ECD/EFCD Heat Exchanger - Replacement Part Number: MRC359301
Heat exchanger for compact Kohler petrol 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:
• MRC359301 (aftermarket reference)
OEM / Related Numbers:
• 359301
• MRC359301
Aftermarket / Verified Equivalents:
• Mr Cool: MRC359301
🚤 Compatibility
Commonly used on:
• Marine-grade shell-and-tube heat exchanger systems
Typically suits:
• Engine models:
• Kohler 5E / 4EF
• 7.3E / 6EF
• 5ECD / 4EFCD Low CO
• 7.3ECD / 6EFCD Low CO
• Generator Output: approximately 4-7.3kW 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
