ID
1362986
$ 21.25
1-2 weeks delivery time
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The Nanni Diesel 970312203 oil pump relief valve spring is a precision pressure-control element used within the oil pump assembly to help regulate engine oil pressure under varying load and temperature conditions. Designed for dependable OEM-fit service on Nanni marine diesel applications, it supports stable lubrication performance across T4.155, 4.380TDI (including Stern Drive), T4.165, T4.180, T4.200, T4.270, T4.230, T4.205 Standard, T6.420TDI, and T6.300 engines.
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Oil Pump Pressure Relief Spring Nanni Diesel 970312203
The Nanni Diesel 970312203 is an oil pump relief valve spring used inside the oil pump assembly. By providing the calibrated spring force for the pressure relief valve, it helps the lubrication system maintain controlled oil pressure as engine speed, oil temperature, and operating load change—supporting reliable protection of bearings and other critical engine components.
Features
- Designed to support consistent oil-pressure regulation through the oil pump relief valve
- OEM replacement part for correct fit and function in Nanni Diesel oil pump assemblies
- Helps protect the lubrication circuit by stabilizing pressure across operating conditions
- Suitable for a wide range of Nanni T4 and T6 marine diesel engines, including stern drive applications
Product Details
- Brand: Nanni Diesel
- Part Number: 970312203
- Component Type: Oil Pump Relief Valve Spring
- Assembly Location: Oil Pump
Compatibility
- T4.155 engines
- 4.380TDI engines
- T4.155 Stern Drive engines
- 4.380TDI Stern Drive engines
- T4.165 engines
- T4.180 engines
- T4.200 engines
- T4.270 engines
- T4.230 engines
- T4.205 Standard engines
- T6.420TDI engines
- T6.300 engines
Technical Specifications
Part Number 970312203 -
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