ID
1362156
$ 8.52
1-2 weeks delivery time
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The Nanni Diesel 970302021 valve train fastening nut secures critical hardware within the valves and springs system and the valve and rocker arm assembly on a wide range of Nanni marine diesel engines. Used to maintain stable retention of valve gear components under continuous vibration and heat cycling, it supports reliable valve-train operation across 4.190HE, 4.195HE, 4.200HE, 4.200TD, 4.220HE, 4.330TDI, 4.340TDI, 5.250TDI, 5.280HE, and multiple N4 series engines including N4.40, N4.50, N4.60, N4.65, N4.85, N4.100, and N4.115.
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Nanni Diesel Valve Train Retaining Nut 970302021
The Nanni Diesel 970302021 is a nut used within the engine’s valve train, appearing in both the valves and springs system and the valve and rocker arm assembly depending on engine model. Designed for marine-duty service, it helps keep valve gear hardware securely fastened to maintain consistent operation under load, vibration, and thermal cycling.
Compatibility
- 4.190HE engines
- 4.195HE engines
- 4.200HE engines
- 4.200TD engines
- 4.220HE engines
- 4.330TDI engines
- 4.340TDI engines
- 5.250TDI engines
- 5.280HE engines
- N4.40 engines
- N4.50 engines
- N4.60 engines
- N4.65 engines
- N4.85 engines
- N4.100 engines
- N4.115 engines
Technical Specifications
Part Number 970302021 Component Type Nut
Product Details
- Brand: Nanni Diesel
- Assembly Location: Valves and Springs
- Assembly Location: Valve and Rocker Arm
- Function: Helps secure valve-train related hardware to maintain stable engine operation
Features
- OEM replacement part matched to Nanni Diesel valve train assemblies
- Supports reliable retention of valve gear components in marine operating conditions
- Helps maintain consistent valve-train stability under vibration and temperature variation
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