ID
1362386
$ 25.15
1-2 weeks delivery time
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The Nanni Diesel 970307071 fresh water return pipe routes returning coolant within the engine’s closed-loop cooling circuit to support stable operating temperature. Used within the fresh water pump assembly on 3.100HE, 4.150HE, and N4.38 engines and within the cylinder head assembly on N3.30 engines, this OEM-fit pipe helps maintain consistent coolant circulation for dependable marine engine operation.
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Nanni Diesel Fresh Water Return Pipe 970307071
The Nanni Diesel 970307071 is a fresh water return pipe designed to carry coolant back through the engine’s closed cooling circuit. Installed as part of the fresh water pump assembly on certain models and within the cylinder head assembly on others, it supports smooth coolant circulation and helps the cooling system control engine temperature under varying marine loads.
Features
- Provides a dedicated return path for fresh-water coolant in the closed-loop cooling system
- OEM-fit replacement to restore correct coolant routing and circulation
- Supports stable operating temperature by maintaining consistent flow back to the cooling circuit
- Designed for integration within the fresh water pump or cylinder head assemblies depending on engine model
Product Details
- Brand: Nanni Diesel
- Part Number: 970307071
- Component Type: Water Return Pipe
- Assembly Location: Fresh Water Pump / Cylinder Head
Compatibility
- 3.100HE engines
- 4.150HE engines
- N3.30 engines
- N4.38 engines
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