ID
1364405
$ 483.20
1-2 weeks delivery time
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The Nanni Diesel 970312994 rocker arm shaft is a valvetrain support component used within the valves and springs assembly, providing a stable pivot point for the rocker arms to maintain accurate valve actuation. Built for OEM fit on Nanni marine diesel applications, it helps keep valve timing consistent across 4.200TD, N4.40, N4.50, N4.60, and N4.65 engines, even under continuous-load operation.
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Nanni Diesel Rocker Arm Shaft for the Valvetrain Assembly
The Nanni Diesel 970312994 rocker arm shaft is designed to sit within the valves and springs assembly, forming the rigid shaft that rocker arms rotate on during engine operation. By keeping the rocker gear properly aligned, it supports smooth, repeatable valve opening and closing—an essential factor for reliable combustion and efficient running in marine duty cycles.
Compatibility
- 4.200TD engines
- N4.60 engines
- N4.40 engines
- N4.50 engines
- N4.65 engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970312994
- Component Type: Rocker Arm Shaft
- Assembly Location: Valves and Springs
Features
- Provides the primary support shaft for rocker arm movement in the cylinder head valvetrain
- Helps maintain consistent valve actuation by keeping rocker gear aligned
- OEM replacement suited to continuous-load marine engine operation
- Direct-fit solution for multiple N4 series engine variants
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