ID
1363631
$ 11.52
1-2 weeks delivery time
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The Nanni Diesel 970490503 cap nut is a protective fastening element used on the cylinder head cover assembly to secure the cover and help keep the valvetrain area properly closed and protected. Designed for dependable OEM fit on Nanni marine diesel engines, it suits 2.60HE, 3.100HE, 3.90HE, 4.110HE, 4.150HE, N3.30, and N4.38 engines for clean, service-friendly retention of the cylinder head cover hardware.
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Cap Nut for Cylinder Head Cover Retention
The Nanni Diesel 970490503 is a cap nut used in the cylinder head cover assembly on selected Nanni marine diesel engines. By fastening the cover hardware and shielding the exposed thread end, it helps maintain a secure cylinder head cover installation and supports tidy, serviceable top-end assembly.
Compatibility
- 2.60HE engines
- 3.100HE engines
- 3.90HE engines
- 4.110HE engines
- 4.150HE engines
- N3.30 engines
- N4.38 engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970490503
- Component Type: Cap Nut
- Assembly Location: Cylinder Head Cover
Features
- OEM replacement fastener for cylinder head cover assemblies
- Cap-style design helps protect the exposed end of the stud or bolt
- Supports stable cover retention under engine vibration
- Helps keep the top-end installation neat and service-friendly
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