ID
1362959
$ 24.55
1-2 weeks delivery time
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The Nanni Diesel 970312171 valve spring retainer lock is a precision valvetrain locking element used in the camshaft and valve assembly to secure the valve spring retainer and keep the valve spring properly seated during engine operation. Designed for dependable OEM fit on T4.155 and 4.380TDI engines, it also supports stern drive applications for the same engine models where stable valve control is essential.
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Valve Spring Retainer Lock for Camshaft and Valve Assembly
Built for the valvetrain on Nanni marine diesel engines, the Nanni Diesel 970312171 valve spring retainer lock fits within the camshaft and valve system to hold the valve spring retainer in position. By keeping the spring and retainer securely locked, it supports consistent valve motion and helps maintain reliable sealing at the valves under varying load and rpm.
Compatibility
- T4.155 engines
- 4.380TDI engines
- T4.155 Stern Drive engines
- 4.380TDI Stern Drive engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970312171
- Component Type: Valve Spring Retainer Lock
- Assembly Location: Camshaft and Valve
Features
- Locks the valve spring retainer in place for stable valvetrain operation
- Helps maintain correct valve spring seating under dynamic engine loads
- OEM replacement part for dependable fit in the camshaft and valve assembly
- Suitable for both inboard and stern drive configurations using the listed engines
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