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The Nanni Diesel 39460916 M8 hex flange nut is a marine-grade fastening element used across several Nanni Diesel assemblies, including heat exchanger, exhaust elbow, flywheel housing, and gearbox flange installations. Commonly used for heat exchanger fastening points, it helps keep critical cooling, exhaust, and accessory components securely clamped under vibration and thermal cycling on engines such as 4.200TD, 4.220HE, N2, N3, N4, T4, and T6 series variants.
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Nanni Diesel M8 Flange Nut for Cooling, Exhaust, and Mounting Points
The Nanni Diesel 39460916 is an M8 hex flange nut used as a retaining fastener on multiple engine systems. It appears in key assemblies such as the heat exchanger and exhaust elbow, and is also used on selected mounting and drivetrain interfaces including the flywheel housing and gearbox flange. As a dedicated heat-exchanger fastening nut in many applications, it supports secure clamping that helps maintain alignment and sealing integrity in marine operating conditions.
Compatibility
- 4.200TD engines
- 4.220HE engines
- N2.10 engines
- N2.14 engines
- N3.21 engines
- N3.21 Sail Drive engines
- N3.21 Standard engines
- N3.30 engines
- N4.38 engines
- N4.40 engines
- N4.50 engines
- N4.60 engines
- N4.85 engines
- N4.100 engines
- N4.106 engines
- T4.165 engines
- T4.180 engines
- T4.200 engines
- T4.230 engines
- T4.270 engines
- T4.205 Standard engines
- T6.300 engines
- T6.420TDI engines
- T6.300 Stern Drive engines
- T6.420TDI Stern Drive engines
Technical Specifications
Part Number 39460916 Thread Size M8 Strength Class Class 8 Finish Zinc Plated
Product Details
- Brand: Nanni Diesel
- Component Type: Hex Flange Nut
- Common Assembly Locations: Heat exchanger, exhaust elbow, flywheel housing, gearbox flange, intercooler, seawater pump assembly, oil drain system, throttle control, turbo cooling connections, ECU and circuit breaker assembly
Features
- Purpose-built fastener for repeated use across Nanni Diesel engine assemblies
- Helps keep cooling and exhaust components securely clamped under vibration
- Suitable for heat exchanger fastening points used throughout multiple engine families
- OEM part-number match for straightforward service replacement and consistent fit
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