ID
1362506
$ 426.68
1-2 weeks delivery time
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The Nanni Diesel 970307556 piston ring set (+0.25 mm) is a precision replacement ring assembly used in the crankshaft and pistons group to restore correct piston-to-bore sealing. Designed for selected Nanni marine diesel engines, it supports strong compression control and stable oil management on 2.45HE, 2.50HE, 3.75HE, N2.14, N3.21, and N3.21 Standard engines.
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Nanni Marine Piston Ring Set +0.25 mm for Crankshaft and Pistons Group
The Nanni Diesel 970307556 is a piston ring set in +0.25 mm size, supplied as an assembly for the crankshaft and pistons group. Built for correct in-cylinder sealing, it helps maintain consistent compression and supports controlled oil behavior—key for efficient, reliable operation in marine duty cycles.
Compatibility
- 2.45HE engines
- 2.50HE engines
- 3.75HE engines
- N2.14 engines
- N3.21 engines
- N3.21 Standard engines
Technical Specifications
Part Number 970307556 Size +0.25 mm
Product Details
- Brand: Nanni Diesel
- Component Type: Piston Ring Set (Assembly)
- Assembly Location: Crankshaft and Pistons
Features
- Designed to support strong cylinder sealing for consistent engine performance
- Helps maintain compression stability under marine load profiles
- Supports controlled oil scraping and reduced blow-by when installed correctly
- OEM-fit replacement for specified Nanni HE and N-series engine models
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