

The Sierra 18-3703 Prop Nut is interchangeable with the following: Chrysler 11-88228, GLM 21242, Mallory 9-73963, Mercury 11-88228. Each Sierra product meets or exceeds the original equipment part it replaces.



| Material | Aluminum |
| Fastener Type | Prop Nut |
| Thread Size | 3/8 inch |
| Exterior Finish | Machined |
| Color | silver |
| Metal Type | Alloy Steel, Stainless Steel |
| Brand | Sierra |
| Item Weight | 0.01 Kilograms |
| Thread Type | Unified National Coarse |
| Inside Thread Size | 3/8 inch - 16 UNC |
| Thread Style | Left Hand |
| Thread Coverage | Fully Threaded |
| Thread Class | Class 2B |
| Size | 3/8 inch |
| Item Diameter | 0.38 Inches |
| Number of Pieces | 1 |
| UPC | 808282111953 |
| Global Trade Identification Number | 00808282111953 |
| Manufacturer | Sierra |
| Model | Prop Nut |
| Item Weight | 0.352 ounces |
| Item model number | 18-3703 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 183703 |
| OEM Part Number | MERCURY MARINE 11-88228 |
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