ID
1019573
$ 682.82
1-2 weeks delivery time
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The Nanni Diesel 970302402 oversize piston (+0.5) is a precision engine component used within the crankshaft and pistons assembly to restore correct piston-to-bore fit during rebuild work. Designed for 4.190HE engines, it supports stable compression, smooth reciprocating motion, and dependable power delivery under marine operating loads.
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Oversize Engine Piston (+0.5) for 4.190HE
The Nanni Diesel 970302402 is an oversize piston (+0.5) supplied for the crankshaft and pistons assembly on Nanni marine diesel engines. As a core reciprocating component, it works with the connecting rod and crankshaft to convert combustion force into rotational power, making it a key part for maintaining efficient compression and reliable engine operation.
Compatibility
- 4.190HE engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970302402
- Component Type: Piston
- Oversize: +0.5
- Assembly Location: Crankshaft and Pistons
Features
- Oversize piston option to support accurate fitment during engine overhaul work
- Built for the crankshaft and pistons group to maintain smooth, controlled reciprocating movement
- Helps sustain consistent compression for dependable starting and steady marine power output
- OEM replacement part matched to Nanni Diesel 4.190HE engine applications
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