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The Nanni Diesel 48300397 exhaust manifold heat exchanger is a combined cooling component built into the exhaust manifold heat exchanger system, helping transfer engine heat into the raw-water circuit to maintain stable operating temperature. Specified within the heat exchanger exhaust manifold assembly and also listed under heat exchanger spare parts, it is a correct-fit replacement for T4.165, T4.180, and T4.200 engines.
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Exhaust Manifold Heat Exchanger Unit for T4 Engines
The Nanni Diesel 48300397 is an exhaust manifold heat exchanger used in the exhaust manifold heat exchanger system on Nanni marine diesel engines. By moving heat from the engine’s coolant into the raw-water circuit, this unit supports controlled operating temperatures while integrating into the exhaust-side cooling arrangement.
Compatibility
- T4.165 engines
- T4.180 engines
- T4.200 engines
Product Details
- Brand: Nanni Diesel
- Part Number: 48300397
- Component Type: Exhaust Manifold Heat Exchanger
- Assembly Location: Heat Exchanger Exhaust Manifold
- Catalog Group: Heat Exchanger Spare Parts
Features
- Designed to integrate directly with the exhaust manifold heat exchanger arrangement
- Supports efficient heat transfer for dependable engine temperature control
- OEM replacement part for straightforward service and restoration of the cooling circuit
- Helps maintain consistent performance under sustained marine operating loads
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