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The Nanni Diesel 970312261 flange bolt is a heavy-duty fastener used across key engine assemblies to deliver secure clamping and vibration-resistant retention. Listed within the cylinder block, turbocharger water hose, and timing case groups, it supports dependable sealing and hose/cover stability on T4.155, 4.380TDI, and T4.165/T4.180/T4.200 engines, as well as stern drive variants and T6.420TDI and T6.300 engines.
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Nanni Diesel Flange Bolt 970312261 for Marine Engine Assemblies
The Nanni Diesel 970312261 is a flange bolt specified for multiple critical installation points, appearing in the cylinder block, turbocharger water hose, and timing case assemblies. Its integrated flange helps spread the clamping load for stable retention in high-vibration marine engine environments, supporting secure mounting of components and reliable sealing where used.
Compatibility
- T4.155 engines
- 4.380TDI engines
- T4.155 Stern Drive engines
- 4.380TDI Stern Drive engines
- T4.165 engines
- T4.180 engines
- T4.200 engines
- T6.420TDI engines
- T6.300 engines
Technical Specifications
Brand Nanni Diesel Part Number 970312261 Component Type Flange Bolt
Product Details
- Assembly Location(s): Cylinder Block; Turbocharger Water Hose; Timing Case
- Use: Secures mating parts and helps maintain consistent clamping force in engine and cooling-hose related installations
Features
- OEM replacement flange bolt for Nanni Diesel marine engine assemblies
- Flange head design supports even load distribution at the joint surface
- Helps maintain stable retention under marine engine vibration and thermal cycling
- Common-fit fastener across multiple T4 and T6 engine groups, including stern drive applications
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