ID
1363149
$ 8.89
1-2 weeks delivery time
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The Nanni Diesel 970312987 rubber sealing washer is a cylinder head assembly fastener-sealing element that helps maintain a tight, leak-resistant joint around cylinder head hardware. Used throughout the cylinder head system on Nanni diesel engines, it supports stable clamping and reduces fluid seepage and vibration-related loosening on 4.200TD, 4.220HE, N4.40, N4.50, N4.60, and N4.65 engines.
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Rubber-Backed Sealing Washer for the Cylinder Head
The Nanni Diesel 970312987 is a washer with an integrated rubber sealing element used in the cylinder head assembly. Positioned under cylinder head hardware, it helps distribute load while adding sealing support where fasteners pass through or clamp critical surfaces, improving resistance to seepage and maintaining a secure joint in marine-engine operating conditions.
Compatibility
- 4.200TD engines
- N4.60 engines
- 4.220HE engines
- N4.40 engines
- N4.50 engines
- N4.65 engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970312987
- Component Type: Washer with Rubber Seal
- Assembly Location: Cylinder Head
Features
- Combines load-spreading washer support with added rubber sealing at the joint
- Helps maintain consistent clamping in vibration-prone marine installations
- Supports leak-resistant sealing around cylinder head hardware
- OEM replacement part for direct fit within Nanni cylinder head assemblies
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