ID
1363168
$ 65.93
1-2 weeks delivery time
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The Nanni Diesel 970313183 valve seat insert supports precise valve sealing in the cylinder head assembly, helping maintain stable compression and efficient combustion in Nanni marine diesel engines. Designed for OEM fit in the cylinder head system, it is used across 4.200TD, 4.220HE, N4.40, N4.50, N4.60, and N4.65 engines.
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Nanni Diesel Cylinder Head Valve Seat Insert
The Nanni Diesel 970313183 valve seat is a critical cylinder head component that provides a hardened seating surface for the engine valve. Installed in the cylinder head assembly, it promotes dependable valve sealing to support consistent compression, clean combustion, and stable running under marine operating loads.
Compatibility
- 4.200TD engines
- N4.60 engines
- 4.220HE engines
- N4.40 engines
- N4.50 engines
- N4.65 engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970313183
- Component Type: Valve Seat
- Assembly Location: Cylinder Head (catalog reference p.8 for N4.40; p.9 for N4.50)
Features
- Provides an accurate sealing surface between valve and cylinder head
- Helps maintain compression and combustion efficiency at varying engine loads
- OEM replacement part designed to match the cylinder head assembly
- Suitable for service work during valve or cylinder head overhauls
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