ID
1363661
$ 56.03
1-2 weeks delivery time
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The Nanni Diesel 970491558 crankshaft side shim is a precision fit spacer element used within the crankshaft-pistons assembly to help control axial positioning and end-float at the crankshaft bearing area. Supplied as “Side Metal 1 0.04” and also referenced as a half-moon adjusting shim +0.4 for N3.21 Standard, it is specified for 2.40HE, 2.45HE, 2.50HE, 2.60HE, 3.75HE, 3.90HE, 4.110HE, N2.14, N3.21, and N3.21 Standard engines.
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Nanni Diesel Crankshaft Side Shim 970491558
The Nanni Diesel 970491558 is a crankshaft-pistons assembly spacer listed as Side Metal 1 0.04, and also referenced for N3.21 Standard as a half-moon adjusting shim +0.4. Installed in the crankshaft-pistons group, this component supports correct crankshaft axial control, helping maintain stable alignment and smooth rotating-assembly operation under marine engine loads.
Compatibility
- 2.40HE engines
- 2.45HE engines
- 2.50HE engines
- 2.60HE engines
- 3.75HE engines
- 3.90HE engines
- 4.110HE engines
- N2.14 engines
- N3.21 engines
- N3.21 Standard engines
Technical Specifications
Part Number 970491558 Listed Designation Side Metal 1 0.04 Alternate Listing (N3.21 Standard) Half-Moon Adjusting Shim +0.4
Product Details
- Brand: Nanni Diesel
- Component Type: Crankshaft side shim / adjusting shim
- Assembly Location: Crankshaft-Pistons
Features
- Designed for correct fit within the Nanni Diesel crankshaft-pistons group
- Helps maintain crankshaft axial positioning for stable rotating-assembly operation
- OEM-referenced part number for straightforward replacement during bottom-end service
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