ID
1362832
$ 29.25
1-2 weeks delivery time
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The Nanni Diesel 970312022 hex head bolt with integrated washer is a robust fastening element used in the cylinder head assembly to maintain secure, even clamping under marine engine loads. Designed for OEM-correct fit on T4.155 and 4.380TDI engines, including Stern Drive applications, it helps keep critical cylinder head joints stable through vibration and thermal cycling.
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Captive-Washer Hex Bolt for Cylinder Head Assembly
Built for reliable cylinder head retention, the Nanni Diesel 970312022 is a hex head bolt with a captive washer, supplied for the cylinder head assembly. This washer-based head design helps distribute clamping force at the fastening point, supporting consistent joint integrity in demanding marine operating conditions.
Compatibility
- T4.155 engines
- 4.380TDI engines
- T4.155 Stern Drive engines
- 4.380TDI Stern Drive engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970312022
- Component Type: Hex Head Bolt With Captive Washer
- Assembly Location: Cylinder Head Assembly
Features
- Washer-based head design helps spread load for secure fastening
- Supports stable cylinder head assembly clamping under vibration
- OEM replacement part for dependable fit and serviceability
- Suitable for both inboard and Stern Drive configurations listed
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