Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
18-6351 | Mercruiser Stern Drive
| 1 | Upper Unit Gear Set | ![](/images/product/icon/18-6351.JPG) | N/A |
18-1179 | GLM Mallory Mercruiser Stern Drive Mercury Marine
| 1 | Tapered Roller Bearing | ![](/images/product/icon/18-1179.JPG) | N/A |
18-1156 | Chrysler/Force/US Marine GLM Honda Outboard Mallory Mercruiser Stern Drive Mercury Marine
| 1 | Foward Gear Bearing | ![](/images/product/icon/18-1156.JPG) | N/A |
18-3712 | GLM Mallory Mercruiser Stern Drive
| 1 | Carrier Nut Washer | ![](/images/product/icon/18-3712.JPG) | N/A |
18-3713 | Chrysler/Force/US Marine GLM Mallory Mercruiser Stern Drive Mercury Marine
| 1 | Lock Nut | ![](/images/product/icon/18-3713.JPG) | N/A |
18-2644 | GLM Mallory Mercruiser Stern Drive
| 1 | Upper Unit Seal Kit | ![](/images/product/icon/18-2644.JPG) | N/A |
18-2619-1 | GLM Mallory Mercruiser Stern Drive
- 27-64818A2
- 27-64818A3
- 27-94996
- 27-949962
- 27-94996A1
- 27-94996A2
- 27-94996Q2
| 1 | Outdrive Gasket Set | ![](/images/product/icon/18-2619-1.JPG) | N/A |
18-2282 | GLM Mercruiser Stern Drive Mercury Marine
| 1 | Shim Set | ![](/images/product/icon/18-2282.JPG) | N/A |
18-2292 | GLM Mercruiser Stern Drive
| 1 | Shim Kit | ![](/images/product/icon/18-2292.JPG) | N/A |
18-2293 | GLM Mercruiser Stern Drive
- 15-23097A1
- 15-36178A02
- 15-36178A1
- 15-39899A1
| 1 | Shim Kit | ![](/images/product/icon/18-2293.JPG) | N/A |
NSS | Mercruiser Stern Drive
| 1 | Spacer, Bearing Cup | No Image | N/A |