ID
1386195
1-2 weeks delivery time
Our managers will contact you and clarify the terms of the order
The Nanni Diesel 970312303 water bypass hose No. 1 is a formed cooling-system hose used within the high-pressure pipe and injection pump assembly area, helping route bypass coolant flow for stable engine temperature control. Built for correct fit on Nanni Diesel T4.155 and 4.380TDI marine engines, it also matches the stern drive versions of these models for straightforward, OEM-style replacement.
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Nanni Diesel Water Bypass Hose No. 1 for High-Pressure Pipe and Injection Pump Area
The Nanni Diesel 970312303 is a water bypass hose No. 1 designed to run in the high-pressure pipe and injection pump assembly area. By carrying bypass coolant flow, this hose supports consistent circulation and temperature stability, making it an essential service item when renewing cooling connections around the fuel injection equipment.
Compatibility
- T4.155 engines
- 4.380TDI engines
- T4.155 Stern Drive engines
- 4.380TDI Stern Drive engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970312303
- Component Type: Water Bypass Hose No. 1
- Assembly Location: High-Pressure Pipe and Injection Pump
Features
- Maintains proper bypass coolant routing to support steady operating temperature
- Designed for correct fit in the high-pressure pipe and injection pump assembly area
- Suitable for routine replacement of aged, heat-cycled cooling hoses
- OEM part number for confident matching during service and repairs
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